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S-1122B52MC-L9LTFG Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-1122B52MC-L9LTFG Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 29 page Rev.5.0_00 HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR S-1112/1122 Series Seiko Instruments Inc. 1 The S-1112/1122 Series is a positive voltage regulator with a low dropout voltage, high output voltage accuracy, and low current consumption developed based on CMOS technology. A built-in low on-resistance transistor provides a low dropout voltage and large output current, and a built-in overcurrent protector prevents the load current from exceeding the current capacitance of the output transistor. An ON/OFF circuit ensures a long battery life. Compared with the voltage regulators using the conventional CMOS process, a larger variety of capacitors are available, including small ceramic capacitors. Small SNT- 6A(H) (S-1112 Series only) and SOT-23-5 packages realize high-density mounting. In SOT-23-5, the lineup includes the S-1112 and S-1122 Series, which differ in pin configuration. Features • Output voltage: 1.5 V to 5.5 V, selectable in 0.1 V steps. • High-accuracy output voltage: ±1.0% • Low dropout voltage: 190 mV typ. (3.0 V output product, IOUT = 100 mA) • Low current consumption: During operation: 50 µA typ., 90 µA max. During shutdown: 0.1 µA typ., 1.0 µA max. • High peak current capability: 150 mA output is possible (at VIN ≥ VOUT(S) + 1.0 V) *1 • Built-in ON/OFF circuit: Ensures long battery life. • Low ESR capacitor can be used: A ceramic capacitor of 0.47 µF or more can be used for the output capacitor. • High ripple rejection: 80 dB typ. (at 1.0 kHz) • Built-in overcurrent protector: Overcurrent of output transistor can be restricted. • Small package: SNT-6A(H)(S-1112 series only), SOT-23-5 • Lead-free products *1. Attention should be paid to the power dissipation of the package when the output current is large. Applications • Power supply for battery-powered devices • Power supply for personal communication devices • Power supply for home electric/electronic appliances • Power supply for cellular phones Packages Drawing code Package name Package Tape Reel SNT-6A(H) PI006-A PI006-A PI006-A SOT-23-5 MP005-A MP005-A MP005-A |
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