LP38692MP-ADJ datasheet(1/13 Pages) NSC

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LP38690-ADJ/LP38692-ADJ

1A Low Dropout CMOS Linear Regulators with

Adjustable Output

Stable with Ceramic Output Capacitors

General Description

The LP38690/2-ADJ low dropout CMOS linear regulators

provide 2.5% precision reference voltage, extremely low

dropout voltage (450mV @ 1A load current, V

OUT = 5V) and

excellent AC performance utilizing ultra low ESR ceramic

output capacitors.

The low thermal resistance of the LLP and SOT-223 pack-

ages allow the full operating current to be used even in high

ambient temperature environments.

The use of a PMOS power transistor means that no DC base

drive current is required to bias it allowing ground pin current

to remain below 100 µA regardless of load current, input

voltage, or operating temperature.

Dropout Voltage: 450 mV (typ) @ 1A (typ. 5V out).

Ground Pin Current: 55 µA (typ) at full load.

Adjust Pin Voltage: 2.5% (25˚C) accuracy.

Features

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Output voltage range of 1.25V - 9V

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2.5% adjust pin voltage accuracy (25˚C)

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Low dropout voltage: 450mV @ 1A (typ, 5V out)

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Wide input voltage range (2.7V to 10V)

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Precision (trimmed) bandgap reference

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Guaranteed specs for -40˚C to +125˚C

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1µA off-state quiescent current

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Thermal overload protection

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Foldback current limiting

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SOT-223 and 6-Lead LLP packages

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Enable pin (LP38692-ADJ)

Applications

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Hard Disk Drives

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Notebook Computers

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Battery Powered Devices

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Portable Instrumentation

Typical Application Circuits

20126701

20126702

V

OUT =VADJ x (1 + R1/R2)

Note: *Minimum value required for stability.

January 2005

DS201267

www.national.com

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LP38692MP-ADJ	1Mb / 27P	1-A Low Dropout CMOS Linear Regulator
Texas Instruments	LP38692MP-ADJ/NOPB	1Mb / 27P	1-A Low Dropout CMOS Linear Regulator

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nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
National Semiconductor ...	LP38693	793Kb / 15P	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
	LP38691-ADJ	750Kb / 13P	500mA Low Dropout CMOS Linear Regulators with Adjustable Output / Stable with Ceramic Output Capacitors
	LP38841-ADJ	256Kb / 10P	0.8A Ultra Low Dropout Adjustable Linear Regulators Stable with Ceramic Output Capacitors
	LP38691-ADJ	399Kb / 14P	500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors
Texas Instruments	LP38692MP-3.3	1Mb / 28P	1A Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
	LP38690-ADJ	1Mb / 22P	LP38692-ADJ 1A Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors
	LP38693SD-ADJ	1Mb / 22P	LP38693-ADJ 500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors
	LP38691SD-3.3	1Mb / 27P	500mA Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors
	LP38691-ADJ	1Mb / 22P	500mA Low Dropout CMOS Linear Regulators with Adjustable Output Stable with Ceramic Output Capacitors
	LP38842-ADJ	846Kb / 15P	1.5A Ultra Low Dropout Adjustable Linear Regulators Stable with Ceramic Output Capacitors

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