LP38692MP-3.3+ National Semiconductor, LP38692MP-3.3+ Datasheet

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LP38692MP-3.3+

Manufacturer Part Number
LP38692MP-3.3+
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of LP38692MP-3.3+

Notes
NEW
Date_code
10+
© 2005 National Semiconductor Corporation
LP38690/LP38692
1A Low Dropout CMOS Linear Regulators
Stable with Ceramic Output Capacitors
General Description
The LP38690/2 low dropout CMOS linear regulators provide
tight output tolerance (2.5% typical), extremely low dropout
voltage (450mV
lent AC performance utilizing ultra low ESR ceramic output
capacitors.
The low thermal resistance of the LLP, SOT-223 and T0-252
packages 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)
Ground Pin Current: 55 µA (typ) at full load.
Precision Output Voltage: 2.5% (25˚C) accuracy.
Typical Application Circuits
Note: * Minimum value required for stability.
**LLP package devices only.
@
1A load current, V
@
1A (typ. 5V out).
OUT
DS201266
= 5V), and excel-
Features
n 2.5% output accuracy (25˚C)
n Low dropout voltage: 450mV
n Wide input voltage range (2.7V to 10V)
n Precision (trimmed) bandgap reference
n Guaranteed specs for -40˚C to +125˚C
n 1µA off-state quiescent current
n Thermal overload protection
n Foldback current limiting
n T0-252, SOT-223 and 6-Lead LLP packages
n Enable pin (LP38692)
Applications
n Hard Disk Drives
n Notebook Computers
n Battery Powered Devices
n Portable Instrumentation
20126601
20126602
@
1A (typ, 5V out)
www.national.com
May 2005

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