NCP580SQ18T1G datasheet(1/10 Pages) ONSEMI

Part #	NCP580SQ18T1G

Description	Ultra?묯ast, Low Noise 120 mA CMOS LDO Regulator with Enable

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Manufacturer	ONSEMI [ON Semiconductor]

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August, 2005 − Rev. 2

1

Publication Order Number:

NCP580/D

NCP580

Ultra−Fast, Low Noise

120 mA CMOS LDO

Regulator with Enable

The NCP580 series of low dropout regulators are designed for

portable battery powered applications which require precise output

voltage accuracy, low quiescent current, and high ripple rejection.

These devices feature an enable function which lowers current

consumption significantly and are offered in the small SC−82AB

package.

A 2.2

mF ceramic capacitor or higher is the recommended value to

be used with these devices on the output pin.

Features

• Ultra−Low Dropout Voltage of 150 mV at 100 mA

• Low Output Noise of 30 mVrms without Noise Reduction Cap

• Excellent Line Regulation of 0.02%/V

• Excellent Load Regulation of 12 mV

• High Output Voltage Accuracy of "1.5%

• Low Iq Current of 90 mA

• Very Low Shutdown Current of 0.1 mA

• Excellent Power Supply Rejection Ratio of 70 dB at f = 1.0 kHz

• Wide Output Voltage Range of 1.5 V to 3.3 V

• Fold Back Protection Circuit

• Fast Dynamic Performance

• Low Temperature Drift Coefficient on the Output Voltage of

"100 ppm/°C

• Input Voltage up to 6.5 V

• These are Pb−Free Devices

Typical Applications

• Portable Equipment

• Hand−Held Instrumentation

• Camcorders and Cameras

Figure 1. Simplified Block Diagram

+

−

Vin

Vref

Current Limit

CE

Vout

GND

SC−82AB

SQ SUFFIX

CASE 419C

http://onsemi.com

MARKING

DIAGRAM

1

4

See detailed ordering and shipping information in the package

dimensions section on page 8 of this data sheet.

ORDERING INFORMATION

xxx M

G

1

G

xxx = Device Code

M

= Date Code*

G

= Pb−Free Package

(Note: Microdot may be in either location)

*Date Code orientation and/or position may

vary depending upon manufacturing location.

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