LX8385 Microsemi Corporation, LX8385 Datasheet - Page 2

• Manufacturer Part Number: LX8385
• Description: 3 A Low Dropout Positive Regulators
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 2.0b, 2005-10-25
Power Dissipation ................................................................................... Internally Limited
Input Voltage ................................................................................................................ 10V
Input to Output Voltage Differential............................................................................. 10V
Operating Junction Temperature................................................................................ 150°C
Storage Temperature Range....................................................................... -65°C to 150 °C
Peak Package Solder Reflow Temp (40 seconds max. exposure) .................260°C (+0, -5)
Note 1: Exceeding these ratings could cause damage to the device. All voltages are with respect to
Junction Temperature Calculation: T
The θ
system. All of the above assume no ambient airflow.
*Pin 1 is GND for fixed voltage versions
DD
DT
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
THERMAL RESISTANCE
P
ADJ or
GND*
JA
TM
Ground. Currents are positive into, negative out of specified terminal.
V
& θ
IN
Plastic TO-263 3-Pin
Plastic TO-220 3-Pin
Plastic TO-252 3-Pin
A B S O L U T E M A X I M U M R A T I N G S
JT
numbers are guidelines for the thermal performance of the device/pc-board
Bias Circuit
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
-
-
-
-
-
-
JUNCTION TO
JUNCTION TO
JUNCTION TO
JUNCTION TO
JUNCTION TO
JUNCTION TO
T H E R M A L D A T A
Lim it Circuit
J
Therm al
= T
A
+ (P
A
T
A
T
A
T
AB
AB
AB
MBIENT
MBIENT
MBIENT
D
x θ
, θ
, θ
, θ
Integrated Products Division
JT
JT
JT
JT
B L O C K D I A G R A M
Microsemi Inc.
).
, θ
, θ
, θ
®
Bandgap
JA
JA
JA
Circuit
( N O T E 1 )
3A Low Dropout Positive Regulators
Control
2.7°C/W
2.7°C/W
2.7°C/W
Circuit
60°C/W
60°C/W
60°C/W
P
RODUCTION
Output
Circuit
D
P A C K A G E P I N O U T
ATA
*Pin 1 is GND for fixed voltage versions
Lim it Circuit
Protection
RoHS 100% Matte Tin Lead Finish
Current
Circuit
TAB is V
SOA
S
TAB is V
TAB is V
HEET
DD P
DT P
P P
OUT
ACKAGE
(Top View)
ACKAGE
(Top View)
(Top View)
ACKAGE
2
3
1
OUT
OUT
3
2
1
2
1
3
LX8385x-xx
(3-
(3-
(3-
PIN
PIN
PIN
V
OUT
)
V
V
ADJ /
GND*
)
)
V
IN
OUT
OUT
V
ADJ/
GND*
IN
V
V
ADJ /
GND*
IN
OUT
Page 2