LX8941CDD-TR(2005) 查看數據表（PDF） - Microsemi Corporation
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LX8941CDD-TR Datasheet PDF : 5 Pages
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LX8941
TM
®
Adjustable Low Dropout Regulator
PRELIMINARY 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
Input Voltage (Note 2)
Load Current (with Adequate Heatsinking)
Input Capacitor (VIN to GND)
Output Capacitor with ESR of 10Ω max., (VOUT to GND)
Symbol
VIN
LX8941
Min Typ Max
3.8
26
5
1000
0.1
10
Units
V
mA
µF
µF
Copyright © 2001
Rev. 0.7a, 2005-11-10
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
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