LX8585-00 MICROSEMI [Microsemi Corporation], LX8585-00 Datasheet - Page 2

• Manufacturer Part Number: LX8585-00
• Description: 4.6A LOW DROPOUT POSITIVE REGULATORS
• Manufacturer: MICROSEMI [Microsemi Corporation]

LX8585-xx/8585A-xx
2
Power Dissipation .................................................................................. Internally Limited
Input Voltage ................................................................................................................ 10V
Input to Output Voltage Differential ........................................................................... 10V
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 respect
P PACKAGE:
DD PACKAGE:
Junction Temperature Calculation: T
thermal performance of the device/pc-board system. All of the above assume no ambient airflow.
*
THERMAL RESISTANCE-JUNCTION TO TAB,
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
THERMAL RESISTANCE-JUNCTION TO TAB,
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
plane or internal power plane.
mounting technique.
Plastic (P, DD Package) ........................................................................................ 150°C
JA
can be improved with package soldered to 0.5IN
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
T H ER MAL DATA
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
JA
4 . 6 A L
J
can vary from 20ºC/W to > 40ºC/W depending on
= T
A
+ (P
P
JT
JT
D
R O D U C T I O N
x
O W
JA
JA
JA
). The
2
copper area over backside ground
D
R O P O U T
JA
numbers are guidelines for the
(Note 1)
P
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
S
R
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
3
2
1
OUT
3
2
1
V
ADJ / GND*
V
IN
OUT
Copyright © 1997
Rev. 2.2
V
V
ADJ / GND*
IN
OUT
12/97