NCP4589DMX12TCG datasheet(1/30 Pages) ONSEMI

Part #	NCP4589DMX12TCG

Description	300 mA, Tri-Mode, LDO Linear Voltage Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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May, 2011 − Rev. 0

1

Publication Order Number:

NCP4589/D

NCP4589

300 mA, Tri-Mode, LDO

Linear Voltage Regulator

The NCP4589 is a CMOS 300 mA LDO which switches to a low

power mode under light current loads. The device automatically

switches back to a fast response mode as the output load increases

above 3 mA (typ.). The device can be placed in permanent fast mode

through a mode select pin. The family is available in a variety of

packages: SC−70, SOT23 and a small, ultra thin 1.2 x 1.2 x 0.4 mm

XDFN.

Features

• Operating Input Voltage Range: 1.4 V to 5.25 V

• Output Voltage Range: 0.8 to 4.0 V (available in 0.1 V steps)

• Supply Current: Low Power Mode – 1.0 mA at VOUT < 1.85 V

Fast Mode – 55

mA

Standby Mode – 0.1

mA

• Dropout Voltage: 230 mV Typ. at IOUT = 300 mA, VOUT = 2.8 V

• ±1% Output Voltage Accuracy (VOUT > 2 V, TJ = 25 °C)

• High PSRR: 70 dB at 1 kHz (Fast response mode)

• Line Regulation 0.02%/V Typ.

• Current Fold Back Protection

• Stable with Ceramic Capacitors

• Available in 1.2x1.2 XDFN, SC−70 and SOT23 Package

• These are Pb−free Devices

Typical Applications

• Battery Powered Equipments

• Portable Communication Equipments

• Cameras, Image Sensors and Camcorders

VIN

VOUT

CE

GND

C1

C2

1m

VIN

VOUT

NCP4589

AE

1m

Figure 1. Typical Application Schematic

http://onsemi.com

See detailed ordering and shipping information in the package

dimensions section on page 27 of this data sheet.

ORDERING INFORMATION

SC−70

CASE 419A

XXXX

= Specific Device Code

MM

= Date Code

MARKING

DIAGRAMS

XDFN6

CASE 711AA

XX

MM

XXX

XMM

SOT−23−5

CASE 1212

XXX

MM

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