NCP133 datasheet(2/9 Pages) ONSEMI

Part #	NCP133

Description	500 mA, Very Low Dropout Bias Rail CMOS Voltage Regulator

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Manufacturer	ONSEMI [ON Semiconductor]

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NCP133

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2

EN

CURRENT

LIMIT

THERMAL

LIMIT

UVLO

+

−

VOLTAGE

REFERENCE

IN

BIAS

GND

OUT

*Active

DISCHARGE

ENABLE

BLOCK

*Active output discharge function is present only in NCP133AMXyyyTCG devices.

yyy denotes the particular output voltage option.

Figure 2. Simplified Schematic Block Diagram − Fixed Version

150

W

EN

CURRENT

LIMIT

THERMAL

LIMIT

UVLO

+

−

VOLTAGE

REFERENCE

IN

BIAS

GND

OUT

*Active

DISCHARGE

ENABLE

BLOCK

*Active output discharge function is present only in NCP133AMXADJTCG devices.

Figure 3. Simplified Schematic Block Diagram − Adjustable Version

150

W

ADJ

0.80 V

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