s-817b23ay-z-g Seiko Instruments Inc., s-817b23ay-z-g Datasheet
![no-image](/images/no-image-200.jpg)
s-817b23ay-z-g
Related parts for s-817b23ay-z-g
s-817b23ay-z-g Summary of contents
Page 1
... Output voltage: • Output voltage accuracy: • Output current: • Dropout voltage: • Low ESR capacitor Ceramic capacitor of 0.1 µF or more can be used as an output capacitor. • Short circuit protection for: • Excellent Line Regulation: • Lead-free product *1. Attention should be paid to the power dissipation of the package when the load is large. ...
Page 2
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series Block Diagrams 1. S-817A Series VIN VSS *1. Parasitic diode 2. S-817B Series VIN VSS *1. Parasitic diode 2 + − Reference Short circuit voltage circuit protection Figure 1 + − Reference voltage circuit Figure 2 Seiko Instruments Inc. Rev.4.2 *1 VOUT *1 VOUT _00 ...
Page 3
... Product Name Structure • The product types and output voltage for the S-817 Series can be selected at the user’s request. Refer to the “Product name” for the meanings of the characters in the product name and “Product name list” for the full product names. ...
Page 4
... S-817 Series 1. 2 S-817B series SOT-23-5 and SOT-89-3 package S-817 xxx T2 G *1. Refer to the specifications at the end of this book. *2. Refer to the “2. Product name list” TO-92 package S-817 *1. Refer to the “2. Product name list”. ...
Page 5
... S-817A55APF-CVSTFG 5.6 V ± 2.0 % S-817A56APF-CVTTFG 5.7 V ± 2.0 % S-817A57APF-CVUTFG 5.8 V ± 2.0 % S-817A58APF-CVVTFG 5.9 V ± 2.0 % S-817A59APF-CVWTFG 6.0 V ± 2.0 % S-817A60APF-CVXTFG Remark Please contact the SII marketing department for products with an output voltage over than those specified above. SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Table 1 SNT-4A SC-82AB S-817A11ANB-CUAT2G S-817A12ANB-CUBT2G S-817A13ANB-CUCT2G S-817A14ANB-CUDT2G S-817A15ANB-CUET2G ...
Page 6
... S-817B53AMC-CXQT2G 5.4 V ± 2.0 % S-817B54AMC-CXRT2G 5.5 V ± 2.0 % S-817B55AMC-CXST2G 5.6 V ± 2.0 % S-817B56AMC-CXTT2G 5.7 V ± 2.0 % S-817B57AMC-CXUT2G 5.8 V ± 2.0 % S-817B58AMC-CXVT2G 5.9 V ± 2.0 % S-817B59AMC-CXWT2G 6.0 V ± 2.0 % S-817B60AMC-CXXT2G *1. X changes according to the packing form in TO-92. B: Bulk, T: Tape and Reel, Z: Tape and ammo. 6 Table 2 SOT-23-5 SOT-89-3 S-817B11AUA-CWAT2G S-817B12AUA-CWBT2G S-817B13AUA-CWCT2G S-817B14AUA-CWDT2G S-817B15AUA-CWET2G S-817B16AUA-CWFT2G S-817B17AUA-CWGT2G S-817B18AUA-CWHT2G S-817B19AUA-CWIT2G ...
Page 7
... SOT-89-3 Top view Figure 6 SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR Pin No *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Pin No *1. The NC pin is electrically open. The NC pin can be connected to VIN or VSS. Pin No ...
Page 8
... 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. Figure 8 Power dissipation of The package (When mounted on board) 8 Pin No ...
Page 9
... I *2. Output current at which output voltage becomes 95 −(V × 0.98), where V *3. V drop IN1 OUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. ∆ OUT 1 * ° = mV/ ...
Page 10
... I *2. Output current at which output voltage becomes 95 −(V × 0.98), where V *3. V drop IN1 OUT(E) after gradually decreasing input voltage. *4. Temperature change ratio for the output voltage [mV/°C] is calculated using the following equation. ∆ OUT 1 * ° = mV/ ...
Page 11
... capacitor used to stabilize input. IN *2. In addition to tantalum capacitor, ceramic capacitor of 0.1 µ more can be used for C Caution The above connection diagram and constant will not guarantee successful operation. Perform through evaluation using the actual application to set the constant. SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR ...
Page 12
... The accuracy of the output voltage is ± 2.0% guaranteed under the specified conditions for input voltage, which differs depending upon the product items, output current, and temperature. Caution If the above conditions change, the output voltage value may vary and go out of the accuracy range of the output voltage. See the electrical characteristics and characteristics data for details. 3. Line regulations 1 and 2 ( ∆ ...
Page 13
... Rev.4.2 _00 6. Temperature coefficient of output voltage The shadowed area in Figure 13 is the range where V when the temperature coefficient of the output voltage is ±100 ppm/°C. V OUT(E) * change in the temperature of the output voltage [mV/°C] is calculated using the following equation. ∆ OUT ° ...
Page 14
... Input voltage and the load current under the actual condition so as not to exceed the power dissipation of the package including the case for short-circuit. When the output current is large and the difference between input and output voltage is large even if not shorted, the short-circuit protection may work and the output current is suppressed to the specified value. ...
Page 15
... VSS in the S-817 series because the phase is compensated with the help of the internal phase compensation circuit and the ESR of the output capacitor. When selecting a ceramic capacitor, capacitance should be 0.1 µF or more, and when selecting a tantalum or an aluminum electrolytic capacitor, capacitance should be 0.1 µF or more and ESR 30 Ω or less ...
Page 16
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series The following graphs show the examples of input-output voltage characteristics (Ta=25°C, typ.) in the output current boosting circuit as seen in Figure 15 S-817A11ANB/S-817B11AMC Tr1 : 2SA1213Y Ω 1.20 100 0.80 0.70 0.60 1.4 1.5 1.6 1.7 2. Constant Current Circuit 2 ...
Page 17
... OUT( Note that by using a circuit in Figure16 impossible to set the better driving ability to the constant amperage (IO) than the S-817 Series basically has. To gain the driving ability which exceeds the S-817 Series, there’s a way to combine a constant current circuit and a current boosting circuit, as seen in Figure 17. ...
Page 18
... When mounting an output capacitor between the VOUT and VSS pins (C the input between VIN and VSS pins (C short as possible. • Note that the output voltage may increase when a series regulator is used at low load current (1.0 µA or less). • Generally a series regulator may cause oscillation, depending on the selection of external parts. The following conditions are recommended for this IC ...
Page 19
... Rev.4.2 _00 Characteristics (Typical Data) 1. Output Voltage vs. Output Current (when load current increases) (a) S-817A Series S-817A11A (Ta=25 ° C) 1.2 0 1.5V 0.6 V 2.1V OUT (V) 0.3 0 OUT S-817A30A (Ta=25 ° C) 3.0 2.5 4V 2.0 V OUT 1.5 (V) 1 0.5 3.4V 0 OUT (b) S-817B series S-817B11A (Ta=25°C) 1.2 0.9 V OUT 0.6 (V) 2.1V 0 1.5V 0 100 I OUT S-817B30A (Ta=25°C) 3 ...
Page 20
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 2. Output Voltage vs. Input Voltage S-817A11A/S-817B11A (Ta=25°C) 1.5 =1 µ OUT 1.0 V OUT 1mA (V) 0.5 10mA 0 S-817A30A/S-817B30A (Ta=25°C) 3.5 20mA 3.0 2.5 10mA 2.0 V OUT 1.5 (V) 1.0 0.5 I OUT 0 S-817A20A/S-817B20A (Ta=25°C) V 20mA (V) IN S-817A50A/S-817B50A (Ta=25°C) ...
Page 21
... Rev.4.2 _00 3. Maximum Output Current vs. Input Voltage (a) S-817A Series S-817A11A 100 Ta=-40 ° OUT max.(mA S-817A30A 180 25 ° C 150 Ta=-40 ° C 120 I OUT 90 max.(mA (b) S-817B Series S-817B11A 300 250 Ta=-40°C 200 I 25°C ...
Page 22
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 4. Dropout Voltage vs. Output Current S-817A11A/S-817B11A 2000 1500 85°C 1000 500 OUT S-817A30A/S-817B30A 1600 1200 25°C 800 400 Output Voltage vs. Ambient Temperature S-817A11A/S-817B11A 1.12 1.11 1.10 1.09 1.08 -50 0 S-817A30A/S-817B30A 3.06 3.03 3.00 2.97 2.94 - S-817A20A/S-817B20A 25°C Ta=-40° ...
Page 23
... Rev.4.2 _00 6. Line Regulation 1 vs. Ambient Temperature S-817A11/20/30/50A OUT(S) S-817B11/20/30/50A =1.1V OUT -50 - (°C) 8. Load Regulation vs. Ambient Temperature S-817A11/20/30/50A V =V S-817B11/20/30/50A IN OUT( =1.1V(I =10mA) OUT OUT 70 2V(I =20mA) OUT 60 3V -50 ...
Page 24
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series 9. Current Consumption vs. Input Voltage S-817A11A/S-817B11A 1.6 1.2 0.8 Ta=-40°C 0 S-817A30A/S-817B30A 1.6 1.2 0.8 0 S-817A20A/S-817B20A 85°C 25° (V) IN S-817A50A/S-817B50A 85°C 25°C Ta=-40° (V) IN Seiko Instruments Inc. 1.6 85°C 1.2 25°C 0.8 Ta=-40°C ...
Page 25
... Rev.4.2 _00 Reference Data 1. Transient Response Characteristics (Typical data: Ta=25 ° lta rre lta powering on S-817A30A (when using a ceramic capacitor → OUT (0.5 V/div) TIME(100 µ ...
Page 26
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series powering on S-817B30A (when using a ceramic capacitor → OUT (0.5 V/div) TIME(100 µ s/div) Load dependencies of overshoot at powering on =0 V→ 0.05 0.04 0.03 0.02 0.01 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 I OUT V dependencies of overshoot at powering V→V ...
Page 27
... Rev.4.2 _00 1. 3 Power fluctuation S-817A30A / S-817B30A (when using a ceramic capacitor → OUT (0.2 V/div TIME(200 µ s/div) Load dependencies of overshoot at power fluctuation =V +1 V→ OUT(S) 0.5 0.4 0.3 0.2 0.1 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 I OUT V dependencies of overshoot at power fluctuation V→V ...
Page 28
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series → OUT (0.02 V/div) TIME(50 µ s/div) Load dependencies of undershoot at power fluctuation V→ OUT(S) 0.5 0.4 0.3 0.2 0.1 0 1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 I OUT V dependencies of undershoot at power fluctuation DD =V → OUT(S) 0.1 0.08 0.06 0. ...
Page 29
... Rev.4.2 _00 1. 4 Load fluctuation S-817A30A/S-817B30A (when using a ceramic capacitor, C =30 mA→10 µA,V I OUT µA V OUT (0.2 V/div TIME(20 ms/div) Load current dependencies of overshoot at load fluctuation OUT(S) 2 1.5 1 0.5 0 1.E-05 1.E-04 1.E-03 I OUT V dependencies of overshoot at load fluctuation DD =V =10 mA,→10 µA, C ...
Page 30
... SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR S-817 Series =10 µA→30mA OUT 30mA 10µ OUT (0.2V/div) TIME(50 ms/div) Load current dependencies of undershoot at load fluctuation = OUT(S) 2 1.5 1 0.5 0 1.E-05 1.E-04 1.E-03 I OUT V dependencies of undershoot at load fluctuation OUT 0.5 0.4 0.3 0 ...
Page 31
...
Page 32
...
Page 33
...
Page 34
...
Page 35
...
Page 36
...
Page 37
...
Page 38
...
Page 39
...
Page 40
...
Page 41
...
Page 42
...
Page 43
...
Page 44
...
Page 45
...
Page 46
...
Page 47
...
Page 48
...
Page 49
...
Page 50
...
Page 51
...
Page 52
... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of 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 ...