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GRM155R61A105KE15D

200 mA Ultra-Low Noise Very-Low Iq, High PSRR, LDO Linear Voltage Regulator

ON Semiconductor 

NCP729

200 mA Ultra-Low Noise

Very-Low Iq, High PSRR,

LDO Linear Voltage

Regulator

The NCP729 is a 200 mA LDO suitable to provide clean analog

power supply rails for noise sensitive applications. This device

features Ultra−Low Noise performance, High Power Supply Rejection

Ratio and Very good transient response characteristics. Very Low

Dropout and Very Low Quiescent Current makes this LDO an

attractive choice for wide range of battery powered, portable products.

Current Limit and Thermal Shutdown provide protection during

failure conditions. NCP729 is available in 1.06 mm x 1.06 mm Chip

Scale Package and it is stable with small 1 mF Ceramic capacitors.

Features

• Operating Input Voltage Range: 2.0 V to 5.5 V

• Fixed Voltage Options Available: 0.8 V to 3.5 V

• Very Low Quiescent Current: Max. 50 mA over Temperature

• Ultra Low Noise: 10 mVRMS from 100 Hz to 100 kHz

• Very Low Dropout: 86 mV Typical at 200 mA

• ±2% Accuracy over Full Load, Line and Temperature Variations

• High PSRR: 72 dB at 1 kHz

• Thermal Shutdown and Current Limit Protections

• Stable with a 1 mF Ceramic Output Capacitor

• Available in 1.06 mm x 1.06 mm 4−bump CSP Package

• Active Output Discharge for Fast Turn−Off

• These are Pb−free Devices

Typical Applications

• PDAs, Tablets, GPS, Smartphones

• Wireless Handsets, Wireless LAN, Bluetooth, Zigbee

• Portable Medical Equipment

• Other Battery Powered Applications

VIN

VOUT

IN

OUT

NCP729

CIN

EN

ON

GND

OFF

COUT

1 mF

Ceramic

http://onsemi.com

4 BUMP CSP

FC SUFFIX

CASE 568AD

DEVICE MARKING INFORMATION

A1

XXX

YWW

XXX = Specific Device Code

Y = Year

WW = Work Week

PIN CONNECTIONS

EN IN

A1

A2

B1

B2

GND OUT

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

Figure 1. Typical Application Schematic

© Semiconductor Components Industries, LLC, 2012

1

August, 2012 − Rev. 1

Publication Order Number:

NCP729/D

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