NCP623MN-25R2G datasheet(1/16 Pages) ONSEMI

Part #	NCP623MN-25R2G

Description	Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control

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Manufacturer	ONSEMI [ON Semiconductor]

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September, 2006 − Rev. 7

1

Publication Order Number:

NCP623/D

NCP623

Ultra Low Noise

150 mA Low Dropout

Voltage Regulator with

ON/OFF Control

The NCP623 low dropout linear regulator can deliver up to 150 mA

of output current with a typical dropout voltage of 180 mV. This low

dropout feature helps to maintain a regulated output voltage for a

longer period of time as the lifetime of the battery decreases.

It is the ideal choice for noise sensitive environments like portable

applications where noise performance and space are at a premium. The

typical output noise voltage specification is 25

mVRMS. The space

saving package choices include a Micro8™ or DFN6. An additional

noise saving feature of this device is its ability to filter choppy signals

on the power supply by providing a typical DC ripple rejection of

−90 dB and −70 dB at 1.0 kHz.

The NCP623 is designed to work with very low ESR capacitors such

as ceramic capacitors which are common in the industry now.

Additional features such as thermal shutdown and short−circuit

protection provide for a robust system design.

Features

• Very Low Quiescent Current 170 mA (ON, no load), 100 nA

(OFF, no load)

• Very Low Dropout Voltage, Typical Value is 137 mV at an Output

Current of 100 mA

• Very Low Noise with External Bypass Capacitor (10 nF),

Typically 25

mVRMS over 100 Hz to 100 kHz

• Internal Thermal Shutdown

• Extremely Tight Line Regulation Typically −90 dB

• Ripple Rejection −70 dB @ 1.0 kHz

• Line Transient Response: 1.0 mV for DVin = 3.0 V

• Extremely Tight Load Regulation, Typically 20 mV at DIout = 150 mA

• Multiple Output Voltages Available

• Logic Level ON/OFF Control (TTL−CMOS Compatible)

• Output Capacitor ESR Can Vary from 0 W to 3.0 W

• Pb−Free Packages are Available

Applications

• All Portable Systems, Battery Powered Systems, Cellular

Telephones, Radio Control Systems, Toys and Low Voltage Systems

PIN CONNECTIONS

See detailed ordering and shipping information on page 14 of

this data sheet.

ORDERING INFORMATION

Lxx

= Device Code (Micro8)

xx = See Ordering Information

NCP623yy = Device Code (DFN6)

yy = 25, 28, 30, 33, 40, or 50

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb Free Package

Micro8

DM SUFFIX

CASE 846A

MARKING

DIAGRAMS

1

VOUT

NC

Bypass

NC

ON/OFF

GND

VIN

GND

Micro8

(Top View)

1

2

3

4

8

7

6

5

DFN6, 3X3

MN SUFFIX

CASE 488AE

DFN6

(Top View)

VIN

GND

VOUT

ON/OFF

GND

Bypass

1

2

3

6

5

4

NCP6

23yy

ALYW G

G

http://onsemi.com

1

Lxx

AYW G

G

1

8

(Note: Microdot may be in either location)

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NCP623MN-25R2G Datasheet(PDF) 1 Page - ON Semiconductor

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