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S-1312D20-A4T2U3 Datasheet(PDF) 1 Page - Seiko Instruments Inc |
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S-1312D20-A4T2U3 Datasheet(HTML) 1 Page - Seiko Instruments Inc |
1 / 47 page S-1312 Series www.sii-ic.com LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR © SII Semiconductor Corporation, 2011-2014 Rev.2.3_01 1 The S-1312 Series, developed by using the CMOS technology, is a positive voltage regulator IC which has low current consumption, high ripple-rejection and low dropout voltage. Even with low current consumption of 20 μA typ., it has high ripple-rejection of 75 dB typ., and a ceramic capacitor of 0.22 μF or more can be used as the input and output capacitors. It also has high-accuracy output voltage of ±1.0%. Features • Output voltage: 1.0 V to 3.5 V, selectable in 0.05 V step • Input voltage: 1.5 V to 5.5 V • Output voltage accuracy: ±1.0% (1.0 V to 1.45 V output product: ±15 mV) • Dropout voltage: 160 mV typ. (2.8 V output product, IOUT = 100 mA) • Current consumption: During operation: 20 μA typ., 30 μA max. During power-off: 0.1 μA typ., 1.0 μA max. • Output current: Possible to output 150 mA (VIN ≥ VOUT(S) + 1.0 V)*1 • Input and output capacitors: A ceramic capacitor of 0.22 μF or more can be used. • Ripple rejection: 75 dB typ. (1.2 V output product, f = 1.0 kHz) 70 dB typ. (2.85 V output product, f = 1.0 kHz) • Built-in overcurrent protection circuit: Limits overcurrent of output transistor. • Built-in thermal shutdown circuit: Prevents damage caused by heat. • Built-in ON / OFF circuit: Ensures long battery life. • Pull-down resistor is selectable. • Discharge shunt function is selectable. • Operation temperature range: Ta = −40°C to +85°C • Lead-free (Sn 100%), halogen-free *1. Attention should be paid to the power dissipation of the package when the output current is large. Applications • Constant-voltage power supply for portable communication device, digital camera, and digital audio player • Constant-voltage power supply for battery-powered device • Constant-voltage power supply for home electric appliance Packages • SOT-23-5 • HSNT-4 (1010) • HSNT-4 (0808) |
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