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LP38693-Q1 PDF预览

LP38693-Q1

更新时间： 2024-11-24 01:20:23
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LP3869x/-Q1 500-mA Low-Dropout CMOS Linear Regulators Stable With Ceramic Output Capacitors

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Sample &  
Buy  
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Community  
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Software  
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LP38691, LP38693, LP38691-Q1, LP38693-Q1  
SNVS321N –JANUARY 2005–REVISED MARCH 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  
provide tight output tolerance (2% typical), extremely  
low dropout voltage (250 mV at 500-mA load current,  
VOUT = 5 V), and excellent AC performance using  
ultra-low equivalent series resistance (ESR) ceramic  
output capacitors.  
1
•
•
Wide Input Voltage Range (2.7 V to 10 V)  
All WSON Options are Available as AEC-Q100  
Grade 1  
•
•
2% Output Accuracy (25°C)  
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  
current even in high ambient temperature  
environments.  
•
•
•
•
•
•
•
Precision (Trimmed) Bandgap Reference  
Ensured Specs for –40°C to 125°C  
1-µA Off-State Quiescent Current  
Thermal Overload Protection  
The use of a PMOS power transistor means that no  
DC base drive current is required to bias it, thus  
allowing ground pin current to remain below 100 µA  
regardless of load current, input voltage, or operating  
temperature.  
Foldback Current Limiting  
Ground Pin Current: 55 µA (typical) at full load  
Enable Pin (LP38693)  
Device Information(1)  
2 Applications  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
6.58 mm × 6.10 mm  
3.00 mm × 3.00 mm  
6.50 mm × 3.56 mm  
3.00 mm × 3.00 mm  
•
•
•
•
Hard Disk Drives  
TO-252 (3)  
LP38691  
Notebook Computers  
Battery-Powered Devices  
Portable Instrumentation  
WSON (6)  
SOT-223 (5)  
WSON (6)  
LP38693  
LP38691-Q1  
LP38693-Q1  
WSON (6)  
3.00 mm × 3.00 mm  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
4 Typical Application Circuits  
V
IN  
V
OUT  
V
V
OUT  
IN  
IN  
OUT  
IN  
OUT  
LP38691  
**  
LP38693  
SNS  
EN  
**  
V
EN  
SNS  
GND  
1 µF *  
1 µF *  
GND  
1 µF *  
1 µF *  
* Minimum value required for stability  
** WSON package devices only  
* Minimum value required for stability  
** 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.  
 
 
 
 
 
 
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LP38693-Q1 替代型号

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