NCP623MN-3.3R2 datasheet(1/14 Pages) ONSEMI

Part #	NCP623MN-3.3R2

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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August, 2004 − Rev. 0

1

Publication Order Number:

NCP623/D

NCP623

Ultra Low Noise

150 mA Low Dropout

Voltage Regulator with

ON/OFF Control

Housed in a Micro8

t or QFN6 package, the NCP623 delivers up to

150 mA where it exhibits a typical 180 mV dropout. With an

incredible noise level of 25

mVRMS (over 100 Hz to 100 kHz, with a

10 nF bypass capacitor), the NCP623 represents the ideal choice for

sensitive circuits, especially in portable applications where noise

performance and space are premium. The NCP623 also excels in

response time and reacts in less than 25

ms when receiving an OFF to

ON signal (with no bypass capacitor).

Due to a novel concept, the NCP623 accepts output capacitors without

any restrictions regarding their Equivalent Series Resistance (ESR) thus

offering an obvious versatility for immediate implementation.

With a typical DC ripple rejection better than −90 dB (−70 dB @

1.0 kHz), it naturally shields the downstream electronics against

choppy power lines.

Additionally, thermal shutdown and short−circuit protection

provide the final product with a high degree of ruggedness.

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 DV

in = 3.0 V

• Extremely Tight Load Regulation, Typically 20 mV at DI

out = 150 mA

• Multiple Output Voltages Available

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

• ESR can vary from 0 to 3.0 W

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 12 of

this data sheet.

ORDERING INFORMATION

XXX

= Specific Device Code

yy

= Voltage Option

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

XXX

AYW

1

8

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

QFN6, 3X3

MN SUFFIX

CASE 488AE

QFN6

(Top View)

VIN

GND

VOUT

ON/OFF

GND

Bypass

1

2

3

6

5

4

1

NCP6

23yy

ALYW

http://onsemi.com

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NCP623MN-3.3R2 Datasheet(PDF) 1 Page - ON Semiconductor

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