LX8941 Microsemi Corporation, LX8941 Datasheet - Page 2

• Manufacturer Part Number: LX8941
• Description: Adjustable Low Dropout Regulator
• Manufacturer: Microsemi Corporation

Copyright © 2001
Rev. 0.7a, 2005-11-10
Input Voltage (V
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
Junction Temperature Calculation: T
The θ
above assume no ambient airflow.
DD
Input Voltage (Note 2)
Load Current (with Adequate Heatsinking)
Input Capacitor (VIN to GND)
Output Capacitor with ESR of 10Ω max., (VOUT to GND)
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
P
JA
Ground. Currents are positive into, negative out of specified terminal
TM
numbers are guidelines for the thermal performance of the device/pc-board system. All of the
Plastic TO-220 5-Pin
Plastic TO-263 5-Pin
IN
A B S O L U T E M A X I M U M R A T I N G S
) ........................................................................................................26V
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
-
-
-
-
JUNCTION TO
JUNCTION TO
JUNCTION TO
JUNCTION TO
T H E R M A L D A T A
R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
J
Parameter
= T
A
+ (P
D
x θ
T
A
C
A
AB
JA
MBIENT
ASE
MBIENT
).
, θ
, θ
Integrated Products Division
JT
JC
, θ
, θ
®
Microsemi
JA
JA
.
Adjustable Low Dropout Regulator
4.5°C/W
4.5°C/W
60°C/W
60°C/W
P
RELIMINARY
Symbol
VIN
RoHS / Pb-free 100% matte Tin Lead Finish
D
P A C K A G E P I N O U T
Min
ATA
3.8
0.1
10
5
TAB is GND
TAB is GND
S
LX8941
HEET
DD P
Typ
P P
(Top View)
(Top View)
5
4
3
1
2
ACKAGE
ACKAGE
5
4
3
2
1
1000
Max
26
ON/OFF
ADJ
GND
V
V
LX8941
O
IN
Units
mA
µF
µF
V
ON/OFF
ADJ
GND
V
V
O
IN
Page 2