S-1172B18-E6T1G Seiko Instruments, S-1172B18-E6T1G Datasheet
S-1172B18-E6T1G
Specifications of S-1172B18-E6T1G
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S-1172B18-E6T1G Summary of contents
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... The S-1172 Series provides the very small dropout voltage and the large output current due to the built-in transistor with low on-resistance. The overcurrent protector prevents the load current from exceeding the capacitance of output transistor. ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series Block Diagram VIN ON/OFF VSS *1. Parasitic diode 2 Overcurrent protection circuit Thermal shutdown circuit + ON/OFF circuit − Reference voltage circuit Figure 1 Seiko Instruments Inc. Rev.2.0 *1 VOUT _00 ...
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... Product Name Structure Users can select the product type, output voltage, and package type for the S-1172 Series. Refer to “1. Product Name” regarding the contents of product name, “2. Package” regarding the package drawings and “3. Product Name List” regarding details of product name. ...
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... V ±1.0% 4.6 V ±1.0% 4.7 V ±1.0% 4.8 V ±1.0% 4.9 V ±1.0% 5.0 V ±1.0% Remark 1. Please contact our sales office for products with an output voltage other than those specified above or type A products Please select products of environmental code = U for Sn 100%, halogen-free products. 4 Table 1 SOT-89-5 ...
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... Figure 3 Table 2 Pin No. Symbol 1 ON/OFF 2 VSS * VIN 5 VOUT *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Table 3 Pin No. Symbol 1 VOUT 2 VSS 3 ON/OFF * VSS 6 VIN *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Seiko Instruments Inc. S-1172 Series ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series Absolute Maximum Ratings 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. Item Input voltage ...
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... Land pattern : Figure 5 Power Dissipation of Package (When Mounted on Board) Condition HSOP-6 (When mounted on board × × t1.6 mm Glass epoxy resin (two layers) 90% When mounted on board (wind speed : Refer to the recommended land pattern (drawing code : FH006-A-L-SD) 2400 2000 1600 1200 800 400 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series Electrical Characteristics Item Symbol *1 V Output voltage OUT( Output current OUT *3 V Dropout voltage drop Δ V OUT 1 Line regulation Δ • OUT ΔV Load regulation OUT2 Output voltage Δ ...
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... Output voltage temperature coefficient *5. The output current can be at least this value. Due to limitation of the package power dissipation, this value may not be satisfied. Attention should be paid to the power dissipation of the package when the output current is large. This specification is guaranteed by design. Table ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series Test Circuits 1. VIN ON/OFF Set to power VIN ON/OFF Set VIN ON/OFF Set to power ON 4. VIN + ON/OFF A 5. VIN ON/OFF Set to power VOUT + V VSS Figure 6 VOUT VSS or GND IN Figure VOUT ...
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... The S-1172 Series requires an output capacitor between the VOUT and VSS pin for phase compensation. Operation is stabilized by a ceramic capacitor with an output capacitance of 4.7 μF or more over the entire temperature range. When using an OS capacitor, a tantalum capacitor aluminum electrolytic capacitor, the capacitance must be 4.7 μ ...
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... V IN Indicates the dependency of the output voltage against the input voltage. That is, the value shows how much the output voltage changes due to a change in the input voltage after fixing output current constant. 4. Load regulation (ΔV OUT2 Indicates the dependency of the output voltage against the output current. That is, the value shows how much the output voltage changes due to a change in the output current after fixing output current constant ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0 _00 6. Temperature coefficient of output voltage The shadowed area in Figure 12 is the range where V temperature coefficient of the output voltage is ±130 ppm/°C. V OUT V OUT(E) * change in the temperature of the output voltage [mV/°C] is calculated using the following equation. Δ OUT 1 * ° ...
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... Output transistor In the S-1172 Series, a low on-resistance P-channel MOS FET is used as the output transistor. Be sure that V does not exceed V OUT current which flows, because of a parasitic diode between the VIN and VOUT pin, when the potential of V became higher than with V ref ...
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... The ON/OFF pin is configured as shown in Figure 14. Since the ON/OFF pin is neither pulled down nor pulled up internally, do not use it in the floating state. When not using the ON/OFF pin, connect it to the VSS pin in the product A type, and connect it to the VIN pin in B type. ...
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... When the temperature drops, the thermal shutdown circuit is released to restart regulating, thus this IC generates heat again. Repeating this procedure makes waveform of the output voltage pulse-like form. Stop / Restart of regulation continues unless decreasing either / both of the input voltage and the output voltage in order to reduce the internal current consumption, or decreasing the ambient temperature. ...
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... IN • Note that the output voltage may increase when a series regulator is used at low load current (1 less). • Note that the output voltage may generally increase due to the leakage current from a driver when a series regulator is used at high temperature. • ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series Characteristics (Typical Data) (1) Output Voltage vs. Output Current (when load current is increased) (Ta = 25°C) S-1172B10 1.2 1 0.6 0.4 0 400 800 I OUT S-1172B50 400 800 I [mA] OUT (2) Output Voltage vs. Input Voltage (Ta = 25°C) S-1172B10 1 ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0 _00 (3) Dropout Voltage vs. Output Current S-1172B10 0 ° C 0.6 0.5 0. 0.3 0.2 0 200 00 600 I [mA] OUT S-1172B50 0. 0.35 25 0.30 40 0.25 0.20 0.15 0.10 0. 200 400 600 I [mA] OUT (4) Dropout Voltage vs. Set Output Voltage ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series (5) Output Voltage vs. Ambient Temperature S-1172B10 1.100 1.075 1.050 1.025 1.000 0.975 0.950 0.925 0.900 −40 − [°C] S-1172B50 5.30 5.20 5.10 5.00 4.90 4.80 4.70 −40 − [°C] (6) Current Consumption vs. Input Voltage ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR Rev.2.0 _00 (7) Ripple Rejection (Ta = 25°C) S-1172B10 100 100 1K Frequency [Hz] S-1172B50 100 100 1K Frequency [Hz] S-1172B30 = 4.7 μF OUT OUT 30 mA 100 mA 10K 100K 1M = 4.7 μF OUT OUT 30 mA 100 mA ...
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... Characteristics of Input Transient Response (Ta = 25°C) S-1172B10 = 100 mA 5.0 μ OUT OUT 1. 1.10 1.05 V OUT 1.00 0.95 −200 0 200 400 600 t [μs] S-1172B50 = 100 mA 5.0 μ OUT OUT 5.25 V 5.20 IN 5.15 5.10 5.05 V OUT 5.00 4.95 4.90 −200 0 200 400 600 t [μs] (2) Characteristics of Load Transient Response (Ta = 25° ...
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... S-1172B50 = 4.7 μ 4.7 μ 5 OUT IN 5.20 5.15 I OUT 5.10 5.05 V OUT 5.00 4.95 4.90 −200 0 200 400 600 t [μs] (3) Transient Response Characteristics of ON/OFF Pin (Ta = 25°C) S-1172B10 = 4.7 μ 4.7 μ 2 OUT ON/OFF OUT 0 −1 −500 0 500 1000 t [μs] S-1172B50 = 4.7 μ ...
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... S-1172B50 = 4.7 μ 4.7 μ 5 OUT ON/OFF OUT 0 −2 I OUT −4 −6 − 100 t [μs] (5) Example of Equivalent Series Resistance vs. Output Current Characteristics (Ta = 25°C) 100 Stable 0 0.1 I [mA] OUT 24 = 100 2 OUT IN 1 1.0 0.8 2 0.6 0 −2 0.4 −4 0.2 −6 0 − ...
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... S-1172B24-U5T1x S-1172B25-U5T1x S-1172B26-U5T1x S-1172B27-U5T1x S-1172B28-U5T1x S-1172B2J-U5T1x Remark 1. Please contact our sales office for products with an output voltage other than those specified above or type A products Please select products of environmental code = U for Sn 100%, halogen-free products. (1) to (3) : Product abbreviation (refer to Product Name vs. Product Code) ...
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... HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR S-1172 Series (2) HSOP-6 HSOP-6 Top view （1） （2） （3） （4） （5） （6） （7） （8） （9） （10） （11） （12） （13） （14） （15） （16） ...
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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. ...