LX8587-33 Microsemi Corporation, LX8587-33 Datasheet - Page 2

• Manufacturer Part Number: LX8587-33
• Description: 3A LOW DROPOUT POSITIVE REGULATORS
• Manufacturer: Microsemi Corporation

LX8587-xx/8587A-xx
2
Power Dissipation ................................................................................ Internally Limited
Input Voltage ............................................................................................................... 10V
Input to Output Voltage Differential .......................................................................... 10V
Maximum Output Current ............................................................................................. 5A
Operating Junction Temperature
Storage Temperature Range ...................................................................... -65°C to 150°C
Lead Temperature (Soldering, 10 seconds) ............................................................ 300°C
Note 1. Exceeding these ratings could cause damage to the device. All voltages are with
P PACKAGE:
DD PACKAGE:
Junction Temperature Calculation: T
The
All of the above assume no ambient airflow.
* With package soldered to 0.5 in.
power plane,
THERMAL RESISTANCE-JUNCTION TO TAB,
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
THERMAL RESISTANCE-JUNCTION TO TAB,
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
Plastic (P Package) ............................................................................................... 150°C
JA
numbers are guidelines for the thermal performance of the device/pc-board system.
respect to Ground. Currents are positive into, negative out of the specified terminal.
A B S O L U T E M A X I M U M R AT I N G S
JA
can vary from 20°C/W to 40°C/W, depending on mounting technique.
T H E R M A L D ATA
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
2
J
copper area over back-side ground plane or internal
= T
3 A L
A
+ (P
P
D
O W
R O D U C T I O N
JT
JT
x
JA
).
JA
JA
D
R O P O U T
P
(Note 1)
O S I T I V E
D
A T A
60°C/W*
3.0°C/W
3.0°C/W
60°C/W
R
S
E G U L A T O R S
H E E T
* Pin 1 is GND for fixed voltage versions.
* Pin 1 is GND for fixed voltage versions.
PACKAGE PIN OUTS
TAB IS V
TAB IS V
DD PACKAGE
P PACKAGE
(Top View)
(Top View)
OUT
OUT
3
2
1
3
2
1
V
ADJ / GND*
V
IN
OUT
Copyright © 1998
Rev. 1.2
V
V
ADJ /
GND*
IN
OUT
3/98