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S-1312

Seiko
Part Number S-1312
Manufacturer Seiko
Description LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Published Oct 2, 2015
Detailed Description S-1312 Series www.sii-ic.com © Seiko Instruments Inc., 2011-2014 LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DRO...
Datasheet PDF File S-1312 PDF File

S-1312
S-1312

Overview
S-1312 Series www.
sii-ic.
com © Seiko Instruments Inc.
, 2011-2014 LOW CURRENT CONSUMPTION HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR Rev.
2.
3_00 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: • Input voltage: • Output voltage accuracy: • Dropout voltage: • Current consumption: • Output current: • Input and output capacitors: • Ripple rejection: • Built-in overcurrent protection circuit: • Built-in thermal shutdown circuit: • Built-in ON / OFF circuit: • Pull-down resistor is selectable.
• Discharge shunt function is selectable.
• Operation temperature range: • Lead-free (Sn 100%), halogen-free 1.
0 V to 3.
5 V, selectable in 0.
05 V step 1.
5 V to 5.
5 V ±1.
0% (1.
0 V to 1.
45 V output product: ±15 mV) 160 mV typ.
(2.
8 V output product, IOUT = 100 mA) During operation: 20 μA typ.
, 30 μA max.
During power-off: 0.
1 μA typ.
, 1.
0 μA max.
Possible to output 150 mA (VIN ≥ VOUT(S) + 1.
0 V)*1 A ceramic capacitor of 0.
22 μF or more can be used.
75 dB typ.
(1.
2 V output product, f = 1.
0 kHz) 70 dB typ.
(2.
85 V output product, f = 1.
0 kHz) Limits overcurrent of output transistor.
Prevents damage caused by heat.
Ensures long battery life.
Ta = −40°C to +85°C *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) Seiko Instruments Inc.
1 L...


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