The S-1318 Series, developed by using the CMOS technology, is a positive voltage regulator IC, which features super low current consumption and low dropout voltage. This IC has low current consumption of 95 nA typ. and high-accuracy output voltage of ±1.0%. It is most suitable for use in portable equipment and battery-powered devices.
Features
- Output voltage
- 1.2 V, 1.5 V, 1.8 V, 2.2 V, 2.3 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V
- Input voltage
- 1.7 V to 5.5 V
- Output voltage accuracy
- ±1.0% (1.2 V output product: ±15 mV) (Ta = +25°C)
- Dropout voltage
- 45 mV typ. (2.5 V output product, at IOUT = 10 mA) (Ta = +25°C)
- Current consumption
- During operation: 95 nA typ.
- During power-off: 2 nA typ.
- Output current
- Possible to output 75 mA
(1.2 V output product, at VIN ≥ VOUT(S) + 1.0 V)*1 - Possible to output 100 mA
(1.5 V, 1.8 V, 2.2 V, 2.3 V, 2.5 V, 2.8 V, 3.0 V, 3.3 V output product, at VIN ≥ VOUT(S) + 1.0 V)*1 - Input capacitor
- A ceramic capacitor can be used (1.0 μF or more)
- Output capacitor
- A ceramic capacitor can be used (1.0 μF or more)
- Built-in overcurrent protection circuit
- Limits overcurrent of output transistor
- Built-in ON / OFF circuit
- Ensures long battery life
- Discharge shunt function "available" / "unavailable" is selectable.
- Pull-down function "available" / "unavailable" is selectable.
- Operation temperature range
- Ta = −40°C to +85°C
- Lead-free (Sn 100%), halogen-free
*1. Please make sure that the loss of the IC will not exceed the power dissipation when the output current is large.
Applications
- Constant-voltage power supply for battery-powered device
- Constant-voltage power supply for portable communication device, digital camera, and digital audio player
- Constant-voltage power supply for home electric appliance