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LP38691DTX-5.0/NOPB数据手册
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LP38693
IN
OUT
SNS
**
GND
1 µF *
1 µF *
V
OUT
V
IN
V
EN
EN
LP38691
IN
OUT
SNS
**
GND
1 µF *
1 µF *
V
OUT
V
IN
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Reference
Design
LP38691
,
LP38693
,
LP38691-Q1
,
LP38693-Q1
SNVS321O JANUARY 2005REVISED DECEMBER 2015
LP3869x/-Q1 500-mA Low-Dropout CMOS Linear Regulators
Stable With Ceramic Output Capacitors
1 Features 3 Description
The LP3869x low-dropout CMOS linear regulators
1
Wide Input Voltage Range (2.7 V to 10 V)
provide tight output tolerance (2% typical), extremely
All WSON Options are Available as AEC-Q100
low dropout voltage (250 mV at 500-mA load current,
Grade 1
V
OUT
= 5 V), and excellent AC performance using
2% Output Accuracy (25°C)
ultralow equivalent series resistance (ESR) ceramic
output capacitors.
Low Dropout Voltage: 250 mV at 500 mA (Typical,
5 V Out)
The low thermal resistance of the WSON, SOT-223,
and TO-252 packages allow use of the full operating
Precision (Trimmed) Bandgap Reference
current even in high ambient temperature
Ensured Specifications for –40°C to 125°C
environments.
1-µA Off-State Quiescent Current
The use of a PMOS power transistor means that no
Thermal Overload Protection
DC base-drive current is required to bias it, thus
Foldback Current Limiting
allowing ground pin current to remain below 100 µA
Ground Pin Current: 55 µA (typical) at full load regardless of load current, input voltage, or operating
temperature.
Enable Pin (LP38693)
Device Information
(1)
2 Applications
PART NUMBER PACKAGE BODY SIZE (NOM)
Hard Disk Drives
TO-252 (3) 6.58 mm × 6.10 mm
LP38691
Notebook Computers
WSON (6) 3.00 mm × 3.00 mm
Battery-Powered Devices
SOT-223 (5) 6.50 mm × 3.56 mm
LP38693
Portable Instrumentation
WSON (6) 3.00 mm × 3.00 mm
LP38691-Q1
WSON (6) 3.00 mm × 3.00 mm
LP38693-Q1
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
4 Typical Application Circuits
* Minimum value required for stability
* Minimum value required for stability
** WSON package devices only
** WSON package devices only
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.

LP38691DTX-5.0/NOPB 数据手册

TI(德州仪器)
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