LX8384x-xx
ꢀꢁꢂꢃꢁꢂꢁꢄꢅꢆ
5A Low Dropout Positive Regulators
A
M I C R O S E M I
C O M P A N Y
PRODUCTION
Power Dissipation....................................................................................Internally Limited
Input Voltage.................................................................................................................10V
Input to Output Voltage Differential..............................................................................10V
Operating Junction Temperature
Plastic (DT, DD, P Packages)................................................................................ 150°C
Storage Temperature Range .......................................................................-65°C to 150 °C
Lead Temperature (Soldering, 10 Seconds)............................................................... 300°C
TAB is VOUT
Mcrosemi
3
2
VIN
VOUT
ADJ /
GND*
1
DD PACKAGE (3-PIN)
(Top View)
Note 1: 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.
.
TAB is VOUT
VIN
3
2
1
VOUT
ADJ/
Plastic TO-263 3-Pin
DD
GND*
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
60 C/W
2.7°C/W
θJA
θJA
θJA
°
DT PACKAGE (3-PIN)
(Top View)
THERMAL RESISTANCE-JUNCTION TO TAB,
θJT
TAB is VOUT
Plastic TO-220 3-Pin
P
3
VIN
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
THERMAL RESISTANCE-JUNCTION TO TAB,
60 C/W
°
2
VOUT
2.7°C/W
θJT
ADJ /
GND*
1
Plastic TO-252 3-Pin
DT
P PACKAGE (3-PIN)
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
60 C/W
°
(Top View)
2.7°C/W
THERMAL RESISTANCE-JUNCTION TO TAB,
θJT
*Pin 1 is GND for fixed voltage versions
Junction Temperature Calculation: TJ = TA + (PD x θJT).
The θJA & θJT numbers are guidelines for the thermal performance of the device/pc-board
system. All of the above assume no ambient airflow.
VIN
Bias Circuit
Thermal
Bandgap
Circuit
Control
Circuit
Output
Circuit
Limit Circuit
VOUT
SOA
Protection
Circuit
ADJ or
GND*
Current
Limit Circuit
*Pin 1 is GND for fixed voltage versions
Copyright 2000
Rev. 2.1d, 2001-03-15
Microsemi
Page 2
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
MICROSEMI [ Microsemi ]
