NCP551SN28T1 datasheet(2/11 Pages) ONSEMI

Part #	NCP551SN28T1

Description	150 mA CMOS Low Iq Low?묭ropout Voltage Regulator

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NCP551, NCV551

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PIN FUNCTION DESCRIPTION

Pin No.

Pin Name

Description

1

Vin

Positive power supply input voltage.

2

GND

Power supply ground.

3

Enable

This input is used to place the device into low−power standby. When this input is pulled low, the

device is disabled. If this function is not used, Enable should be connected to Vin.

4

N/C

No Internal Connection.

5

Vout

Regulated output voltage.

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Input Voltage

Vin

0 to 12

V

Enable Voltage

VEN

−0.3 to Vin +0.3

V

Output Voltage

Vout

−0.3 to Vin +0.3

V

Power Dissipation

PD

Internally Limited

W

Operating Junction Temperature

TJ

+150

°C

Operating Ambient Temperature

NCP551

NCV551

TA

−40 to +85

−40 to +125

°C

Storage Temperature

Tstg

−55 to +150

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

1. This device series contains ESD protection and exceeds the following tests:

Human Body Model 2000 V per MIL−STD−883, Method 3015

Machine Model Method 200 V

2. Latchup capability (85

°C) "100 mA DC with trigger voltage.

THERMAL CHARACTERISTICS

Rating

Symbol

Test Conditions

Typical Value

Unit

Junction−to−Ambient

RqJA

1 oz Copper Thickness, 100 mm2

250

°C/W

PSIJ−Lead 2

1 oz Copper Thickness, 100 mm2

68

°C/W

NOTE:

Single component mounted on an 80 x 80 x 1.5 mm FR4 PCB with stated copper head spreading area. Using the following

boundary conditions as stated in EIA/JESD 51−1, 2, 3, 7, 12.

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