LX8941CP 查看數據表（PDF） - Microsemi Corporation
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LX8941CP Datasheet PDF : 5 Pages
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LX8941
TM
®
Adjustable Low Dropout Regulator
PRODUCTION DATA SHEET
ABSOLUTE MAXIMUM RATINGS
Input Voltage (VIN) ....................................................................................................... 26V
Operating Temperature Range ................................................................................... 150°C
Storage Temperature Range ........................................................................ -65°C to 150°C
Lead Temperature (Soldering 10 seconds) ................................................................. 300°C
Package Peak Temp. for Solder Reflow (40 seconds maximum exposure).... 260°C (+0 -5)
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Ground. Currents are positive into, negative out of specified terminal.
THERMAL DATA
P Plastic TO-220 5-Pin
THERMAL RESISTANCE-JUNCTION TO TAB, θJT
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
4.5°C/W
60°C/W
PACKAGE PIN OUT
TAB is GND
5
4
3
2
1
P PACKAGE
(Top View)
ON/OFF
ADJ
GND
VO
VIN
TAB is GND
5
ON/OFF
4
ADJ
3
GND
2
VO
1
VIN
DD PACKAGE
(Top View)
RoHS / Pb-free 100% matte Tin Lead Finish
DD Plastic TO-263 5-Pin
THERMAL RESISTANCE-JUNCTION TO CASE, θJC
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
4.5°C/W
60°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The θJA numbers are guidelines for the thermal performance of the device/pc-board system. All of the
above assume no ambient airflow.
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
LX8941
Min Typ
Input Voltage
VIN
3.8
Load Current (with Adequate Heat sinking)
IL
5
Input Capacitor (VIN to GND)
0.1
Output Capacitor with ESR of min 0.1Ω, 10Ω max*., (VO to GND)
10
* At low output current levels the range of acceptable ESR values may be narrower, and should be evaluated to insure stability
Max
26
1000
Units
V
mA
µF
µF
Copyright © 2001
Rev. 1.0, 2011-02-04
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
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