S-8340A30AFT-T2-G Seiko Instruments, S-8340A30AFT-T2-G Datasheet
S-8340A30AFT-T2-G
Specifications of S-8340A30AFT-T2-G
Related parts for S-8340A30AFT-T2-G
S-8340A30AFT-T2-G Summary of contents
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... The S-8341 Series contains a PWM/PFM switching control circuit so that it operates using PWM control with a duty ratio of 27% or higher and using PFM control with a duty ratio of lower than 27% to ensure high efficiency in all load ranges. These S-8340/8341 Series serve as ideal main power supply units for portable devices when coupled with the 8-Pin TSSOP package and high oscillation frequencies ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series Block Diagrams (1) S-8340/8341 Series A and C Types (Output Voltage Fixed Output Type) L EXT V IN Nch Power MOS FET SENSE R SENSE (2) S-8340/8341 Series B and D Types (Output Voltage External Setting Type) L EXT ...
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... Product Name Structure The control method, product type, and output voltage values for the S-8340/8341 Series can be selected depending on usage. Refer to “1. Product Name” for the definition of the product name, “2. Package” regarding the package drawings and “3. Product Name List” for the full product names. ...
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... V S-8340A51AFT-T2-x 5.6 V S-8340A56AFT-T2-x 6.0 V S-8340A60AFT-T2-x Remark 1. Contact the SII marketing department for products with an output voltage other than those specified above Please select products of environmental code = U for Sn 100%, halogen-free products. (2) Output Voltage External Setting Type S-8340 Series B Type Output Voltage ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 Pin Configurations 8-Pin TSSOP Top view Figure 3 Table 3 Pin No. Symbol 1 VSS GND pin Reference voltage source pass capacitor connection 2 CVREF pin 3 CSS Soft-start capacitor connection pin Shutdown pin 4 ON/OFF “ ...
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... Board size : 114.3 mm × 76.2 mm × t1.6 mm (2) Board name : JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. (1) When mounted on board 800 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 Electrical Characteristics (1) 600 kHz, Output Voltage Fixed Type (A Type) Parameter Symbol V *1 Output voltage V OUT(E) I OUT Input voltage external parts. Oscillation start voltage V ST The voltage is applied to V Current consumption 1 ...
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... If V instead should be 2 more. However OUT DD voltage accuracy of ±2.0% is not guaranteed due to dependency of output voltage on V accuracy of output voltage is degraded significantly when the V not use this IC when the V supply so that V becomes 2 more within the soft-start time (3.0 ms Sumida Corporation CD54 (10 μ ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (2) 600 kHz, Output Voltage External Setting Type (B Type) Parameter Symbol *1 Output voltage V V OUT(E) FB pin voltage Input voltage external parts. Oscillation start voltage V ST2 The voltage is applied to V Current consumption 1 ...
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... Connect the SENSE pin to the VSS pin. * Actual output voltage value : Output voltage value when I OUT(E) The Typ. value (set output voltage value *2. The change of output voltage with temperature [mV/°C] is calculated from the following formula. However, the temperature change rates for R Δ [mV/° ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (3) 300 kHz, Output Voltage Fixed Type (C Type) Parameter Symbol V *1 Output voltage V OUT(E) I OUT Input voltage external parts. Oscillation start voltage V ST The voltage is applied to V Current consumption SS1 ...
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... If V instead should be 2 more. However OUT DD voltage accuracy of ±2.0% is not guaranteed due to dependency of output voltage on V accuracy of output voltage is degraded significantly when the V not use this IC when the V supply so that V becomes 2 more within the soft-start time (6.0 ms Sumida Corporation CD54 (10 μ ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (4) 300 kHz, Output Voltage External Setting Type (D Type) Parameter Symbol *1 Output voltage V V OUT(E) FB pin voltage Input voltage external parts. Oscillation start voltage V ST2 The voltage is applied to V Current consumption 1 ...
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... Connect the SENSE pin to the VSS pin. * Actual output voltage value : Output voltage value when I OUT(E) The Typ. value (set output voltage value *2. The change of output voltage with temperature [mV/°C] is calculated from the following formula. However, the temperature change rates for R Δ ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 Measurement Circuits − − EXT VOUT VDD SENSE VSS CVREF CSS ON/OFF Figure 5 SENSE EXT VOUT VDD VSS CVREF CSS ON/OFF Figure SENSE EXT FB VDD VSS CVREF CSS ON/OFF Figure 7 Seiko Instruments Inc ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series 4. 16 SENSE EXT FB VDD ON/OFF VSS CVREF CSS Figure 8 Seiko Instruments Inc. Rev.4.0 _00 A R FB1 OUT + − FB2 A ...
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... D types high output load current area. The S-8341 Series operates under PFM control with the pulse duty fixed at 27% (A and B types) and at 21% (C and D types low load current area, and pulses are skipped according to the load current. The oscillation circuit thus oscillates intermittently so that the resultant lower self current consumption prevents a reduction in the efficiency at a low load current ...
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... If f OSC Even if the IC reaches a certain duty at a duty ratio 43%, there may be a delay of the output voltage (V reaching the specified voltage (V in reaching the specified voltage (1.0 V). Note that the maximum delay time may be the value calculated when a duty ratio is 43%. ...
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... LIMIT ⎝ R SENSE Remark CR in the equation is determined by the internal CR filter and varies in the range 116 to 470 ns (220 ns (typ.).) Caution Therefore, this current limit function does not guarantee full protection of external parts under all operating conditions. Perform a thorough evaluation using the actual ...
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... The A and C types, whereby output voltage can be internally set between 2.5 and 6 the 0.1 V steps, realizes highly accurate output voltage of ±2.0% with internal highly resistant and highly accurate resistors. In the B and D types, the output voltage can be adjusted in the range 2 adding external resistors (R and R ...
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... B types, 6.0 ms: C and D types). When the VDD pin is connected to the VOUT pin, V problems. The table below provides a rough guide for selecting a product type according to the application requirements of the application. Choose the product that gives you the largest number of circles (O). ...
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... The guidelines for the L range are from 2 μH for the A and B types, and 4 μH for the C and D types. The recommended L value μH for the A and B types, and μH for the C and D types. When choosing an inductor, attention to its allowable current should be paid since the current exceeding the allowable value will cause magnetic saturation in the inductor, leading to a marked decline in efficiency and a breakdown of the IC due to large current ...
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... Enhancement (N-channel) MOS FET type or bipolar (NPN) type can be used for the external transistors Enhancement (N-Channel) MOS FET Type The EXT pin can directly drive an N-channel MOS FET. When an N-channel MOS FET is used, efficiency will higher than that achieved by an NPN bipolar transistor since the MOS FET switching speed is faster and power dissipation due to the base current is avoided ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series Standard Circuit (1) Using MOS FET L EXT V IN Nch Power MOS FET SENSE R SENSE L EXT V IN Nch Power MOS FET SENSE R SENSE Figure 15 Output Voltage External Setting Type 24 SD Phase ...
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... R b Bipolar Transistor SENSE R SENSE Figure 17 Output Voltage External Setting Type Caution The above connection and constant will not guarantee successful operation. Perform thorough evaluation using the actual application to set the constant. SD Phase Triangular w ave com pensation oscillation circuit circuit PW M comparator ...
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... Make sure that dissipation of the switching transistor especially at high temperature will not surpass the power dissipation of the package. To stabilize operation, use a capacitor with a low ESR as a bypass capacitor between the VDD and VSS pins of the IC, and install and wire it with a short distance and a low impedance. Connect C The main circuit of the IC operates on the internal power supply connected to the CVREF pin. C capacitor that stabilizes the internal power supply. Use a 0. μ ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 Characteristics 1. Examples of Major Characteristics (Typical Data) (1) Current Consumption 1 (I SS1 S-8340A33A (f : 600 kHz) OSC 1000 85°C 800 25°C 600 400 200 0 2.5 3.0 3.5 4 (2) Current Consumption 2 (I SS2 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (5) EXT Pin Output Current “H” (I Supply Voltage ( S-8340A33A (f : 600 kHz ) / S-8340C33A (f OSC − −40°C −50 25°C −40 −30 −20 −10 0 2.5 3.0 3.5 4 (7) Soft-Start Time (t ) vs. Supply Voltage (V ...
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... OSC 135 25°C 85°C 130 125 120 115 Ta = −40°C 110 105 2.5 3.0 3.5 4 300 kHz) OSC 4.5 5.0 5.5 6.0 (V) ) vs. Temperature (Ta) (12) Maximum Duty Ratio (MaxDuty) vs. Supply Voltage ( 300 kHz) S-8340A33A (f OSC 2.5 S-8341C33A (f 24 85° −40°C ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series 2. Examples of Transient Response Characteristics (1) Power-on (Typical Data) S-8340A33AFT 600 kHz 25°C OSC = 0 → 1. V/div OUT (1 V/div ms/div) S-8340C33AFT 300 kHz 25°C OSC = 0 → 1. V/div OUT (1 V/div ms/div) (2) ON/OFF Pin Response (Typical Data) S-8340A33AFT 600 kHz 25° ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (3) Load Fluctuations S-8340A33AFT 600 kHz OSC OUT 100 mA I OUT 100 μ OUT (0.02 V/div ms/div) S-8340A33AFT 600 kHz OSC OUT 100 mA I OUT 100 μ OUT (0 ...
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... S-8341A50AFT (12) *1. CDRH5D18 + NDS335N + RB491D: For small and thin parts of which height shorter (The maximum current of an external part should be set to 1.7 A.) *2. CDRH124 + FTS2001 + RBO81L-20: For heavy load current (The maximum current of an external part should be set to 4.5 A.) Table 11 External Parts List for Output Current vs ...
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... S-8341A50AFT 5.0 V (30) *1. CDRH5D18 + NDS335N + RB491D: For small and thin parts of which height shorter (The maximum current of an external part should be set to 1.7 A.) *2. CDRH124 + FTS2001 + RBO81L-20: For heavy load current (The maximum current of an external part should be set to 4.5 A.) Table 13 External Parts List for Output Current vs ...
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... S-8341A50AFT (48) *1. CDRH5D18 + NDS335N + RB491D: For small and thin parts of which the height shorter (The maximum current of an external part should be set to 1.7 A.) *2. CDRH124 + FTS2001 + RBO81L-20: For heavy load current (The maximum current of an external part should be set to 4.5 A.) ...
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... V (54) (55) S-8341C33AFT (56) (57) S-8340C50AFT 5.0 V (58) (59) S-8341C50AFT (60) *3. CDRH6D28 + FDN335N + RB491D: For part heights and high efficiency *4. CDRH124 + FTS2001 + RBO81L-20: For optimizing the load current driveability Inductor Transistor Diode CDRH6D28/10 μH FDN335N RB491D CDRH124/10 μH FTS2001 RBO81L-20 CDRH6D28/10 μH FDN335N RB491D CDRH124/10 μ ...
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... Sanyo Electric FTS2001 Co., Ltd. *1. The manufacturer recommends the FDN335N as an alternative for the NDS335N. Caution The value of each characteristic in Table 16 depends on the materials prepared by each manufacturer, however, confirm the specifications by referring to respective materials when using any of the above. 36 Table 16 Performance of External Parts ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 2. Output Current (I ) vs. Efficiency (η) Characteristics OUT The following shows the actual output current (I used under conditions (1) to (24) in Tables 10 and 11. (1) S-8340A25AFT (CDRH5D18/4.1 μ H, NDS335N) (CDRH5D18/4.1 μH, NDS335N) 100 1 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (9) S-8340A50AFT (CDRH5D18/4.1 μ H, NDS335N) (CDRH5D18/4.1 μH, NDS335N) 100 (mA) I (mA) OUT OUT (11) S-8341A50AFT (CDRH5D18/4.1 μH, NDS335N) (CDRH5D18/4.1 μ H, NDS335N) 100 (mA) I (mA) OUT OUT (13) S-8340C25AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μ ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (17) S-8340C33AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDNS335N) 100 3. 0 (mA) (mA) OUT OUT (19) S-8341C33AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 100 3. 0 (mA) I (mA) OUT OUT (21) S-8340C50AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 100 4 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series 3. Output Current (I ) vs. Output Voltage (V OUT The following shows the actual output current (I Series is used under conditions (1) to (24) in Tables 10 and 11. (1) S-8340A25AFT (CDRH5D18/4.1 μH, NDS335N) (CDRH5D18/4.1 μ H, NDS335N) 2.62 2.60 2 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (9) S-8340A50AFT (CDRH5D18/4.1 μH, NDS335N) (CDRH5D18/4.1 μ H, NDS335N) 5.30 5.25 5.20 5. 5.10 5.05 5.00 4.95 4.90 0 (mA) I (mA) OUT OUT (11) S-8341A50AFT (CDRH5D18/4.1 μ H, NDS335N) (CDRH5D18/4.1 μH, NDS335N) 5.30 5.25 5.20 5 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (17) S-8340C33AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 3.60 3.55 3.50 3.45 3.40 3.35 3.30 3.25 3.20 0 (mA) I (mA) OUT OUT (19) S-8341C33AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 3.60 3.55 3 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 4. Output Current (I ) vs. PFM/PWM Switching Input Voltage (V OUT The following shows the actual output current (I the S-8341 Series is used under conditions (25) to (36) in Tables 12 and 13. (25) S-8341A25AFT (CDRH5D18/4.1 μ H, NDS335N) (CDRH5D18/4.1 μH, NDS335N) 3.5 3.0 PFM 2 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (33) S-8341C33AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 3.5 3.0 PFM 2.5 2.0 1.5 1.0 0.5 0 (mA) I (mA) OUT OUT (35) S-8341C50AFT (CDRH6D28/10 μ H, FDN335N) (CDRH6D28/10 μH, FDN335N) 5.0 4.0 PFM 3 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 5. Output Current (I ) vs. Ripple Voltage (Ripple) Characteristics OUT The following shows the actual output current (I Series is used under conditions (37) to (60) in Tables 14 and 15. (37) S-8340A25AFT (CDRH5D18/4.1 μH, NDS335N, 47 μF) (CDRH5D18/4.1 μ H, NDS335N,47 μ F) 300 250 V ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (41) S-8340A33AFT (CDRH5D18/4.1 μ H, NDS335N,47 μ F) (CDRH5D18/4.1 μH, NDS335N, 47 μF) 300 V 250 IN 200 150 100 (mA) I (mA) OUT OUT (42) S-8340A33AFT (CDRH124/10 μH, FTS2001, 47 μF × 2) (CDRH124/10 μ H, FTS2001,47 μ F × 2) 600 = 1 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (45) S-8340A50AFT (CDRH5D18/4.1 μ H, NDS335N,47 μ F) (CDRH5D18/4.1 μH, NDS335N, 47 μF) 300 4.5V 250 200 150 100 (mA) (mA) OUT OUT (46) S-8340A50AFT (CDRH124/10 μ H, FTS2001,47 μ F × 2) (CDRH124/10 μH, FTS2001, 47 μF × 2) 350 = 1 ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (49) S-8340C25AFT (CDRH6D28/10 μ H, FDN335N,47 μ F) (CDRH6D28/10 μH, FDN335N, 47 μF) 300 250 200 = 1 =1.2V IN 150 I N 100 (mA) I (mA) OUT OUT (50) S-8340C25AFT (CDRH124/10 μ H, FTS2001,47 μ F × 2) (CDRH124/10 μH, FTS2001, 47 μF × 2) ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Rev.4.0 _00 (53) S-8340C33AFT (CDRH6D28/10 μ H, FDN335N,47 μ F) (CDRH6D28/10 μH, FDN335N, 47 μF) 300 250 200 = 1 =1.2V 150 100 (mA) I (mA) OUT OUT (54) S-8340C33AFT (CDRH124/10 μ H, FTS2001,47 μ F × 2) (CDRH124/10 μH, FTS2001, 47 μF × 2) ...
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... STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER S-8340/8341 Series (57) S-8340C50AFT (CDRH6D28/10 μ H, FDN335N,47 μ F) (CDRH6D28/10 μH, FDN335N, 47 μF) 300 250 200 150 100 (mA) (mA) OUT OUT (58) S-8340C50AFT (CDRH124/10 μ H, FTS2001,47 μ F × 2) (CDRH124/10 μH, FTS2001, 47 μF × 2) 500 400 = 1 ...
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... Seiko Instruments Inc. is strictly prohibited. • The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. ...