LP38692SDX-ADJ National Semiconductor, LP38692SDX-ADJ Datasheet
LP38692SDX-ADJ
Manufacturer Part Number
LP38692SDX-ADJ
Description
IC,VOLT REGULATOR,ADJUSTABLE,+1.25 TO +9V,CMOS,LLCC,6PIN,PLASTIC
Manufacturer
National Semiconductor
Specifications of LP38692SDX-ADJ
Rohs Compliant
NO
Available stocks
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Price
Company:
Part Number:
LP38692SDX-ADJ/NOPB
Manufacturer:
NS
Quantity:
112
© 2005 National Semiconductor Corporation
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
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)
Ground Pin Current: 55 µA (typ) at full load.
Adjust Pin Voltage: 2.5% (25˚C) accuracy.
Typical Application Circuits
Note: *Minimum value required for stability.
@
1A load current, V
@
1A (typ. 5V out).
DS201267
OUT
V
OUT
= 5V) and
= V
ADJ
x (1 + R1/R2)
Features
n Output voltage range of 1.25V - 9V
n 2.5% adjust pin voltage 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 SOT-223 and 6-Lead LLP packages
n Enable pin (LP38692-ADJ)
Applications
n Hard Disk Drives
n Notebook Computers
n Battery Powered Devices
n Portable Instrumentation
20126701
20126702
@
1A (typ, 5V out)
January 2005
www.national.com
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