NCP189 Datasheet (ON Semiconductor)

NCP189, LDO Regulator

Pin No.

WDFNW6 Pin Name Description 1 OUT Regulated output voltage.

The output should be bypassed with small 4.7 mF ceramic capacitor 6 IN Input voltage supply pin 4 EN Chip enable: Applying VEN < 0.4 V disables the regulator, Pulling VEN > 1 V enables the LDO 5 PG Power Good, open col

DATA SHEET www.onsemi.com LDO Regulator, 0.5 A, High Accuracy (0.7%), Adjustable, Low Noise, High PSRR with Power Good NCP189 The NCP189 is a 0.5 A LDO, next generation of high PSRR, low noise and low dropout regulators with Power Good open collector output.

Designed to meet the requirements of RF and sensitive analog circuits, the NCP189 device provides low noise, high PSRR and low quiescent current while offering the ability to regulate output voltages down to 0.6 V.

The device also offers ex

NCP189 Features

* Operating Input Voltage Range: 1.6 V to 5.5 V

* Available in Fixed Voltage Option: 0.6 V to 5.0 V

* Adjustable Version Reference Voltage: 0.6 V

* ±0.7% Initial Accuracy at 25°C

* ±1% Accuracy Over Load and Temperature

* Low Quiescent Current Typ. 35