LX8942IDT Microsemi Corporation, LX8942IDT Datasheet - Page 2

• Manufacturer Part Number: LX8942IDT
• Description: Low Dropout Dual Regulator
• Manufacturer: Microsemi Corporation

Copyright © 2005
Rev. 1.2, 2006-01-20
ON/OFF
Input Voltage (V
Input Voltage (V
ON/OFF Switch ................................................................................................-0.3V to V
Operating Ambient Temperature Range ..................................................... -40°C to +85°C
Storage Temperature Range (T
Maximum Operating Junction Temperature (T
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.
Range over which the device is functional.
Name
V
GND
DT
Input Voltage
ON/OFF Threshold Voltage Low Level, (V
ON/OFF Threshold Voltage High level, (V
Load Current V
Maximum Line Transient (Load Dump) V
Input Capacitor (V
Reverse Polarity D.C. Input Voltage (V
Reverse Polarity Transient Input Voltage (V
100ms, V
Output Capacitor (V
Output Capacitor ESR Value
V
V
OUT1
THERMAL RESISTANCE
THERMAL RESISTANCE
SB
IN
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-252 5-Pin
OUT1
Input Voltage Supply.
+8.2V Output Voltage at up to 1000mA.
Regulator Ground.
TTL Logic level input control for turning ON and OFF the high current V
+5V Standby Output Voltage at up to 60mA.
IN
IN
> -9V, 16Ω Load)
A B S O L U T E M A X I M U M R A T I N G S
OUT1
) Operating .......................................................................................26V
) Over Voltage Transient.................................................... -15V to 60V
IN
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
(with adequate heatsinking)
OUT1
to GND)
-
-
to GND & V
JUNCTION TO
JUNCTION TO
STG
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
)..............................................................-65°C to 150°C
A
+ (P
F U N C T I O N A L P I N D E S C R I P T I O N
SB
D
x θ
IN
to GND)
C
A
) (V
SB
J
JA
) ....................................................... 150°C
ASE
MBIENT
OUT1
OUT1
).
< 6V
IN
OUT1
) (1% Duty Cycle, T <
, θ
Integrated Products Division
is ON)
is OFF)
JC
> -0.6V, 16Ω Load)
, θ
®
Microsemi
JA
Description
.
80°C/W
Low Dropout Dual Regulator
9°C/W
P
RODUCTION
Symbol
IN
V
V
V
IN
IH
IL
OUT1
regulator.
RoHS / Pb-free 100% matte Tin Lead Finish
Note: The heat sink tab is the Ground
GROUND
D
P A C K A G E P I N O U T
Min
ATA
0.1
0.5
Connection for this package.
10
5
9
2
S
LX8942
HEET
DT P
Typ
(Top View)
ACKAGE
STANDBY OUTPUT (VSB)
ON/OFF SWITCH
GROUND
OUTPUT VOLTAGE (V
INPUT VOLTAGE (V
1000
Max
-15
-50
0.8
5.0
26
60
LX8942
Units
mA
µF
µF
Ω
V
V
V
V
V
V
IN
)
OUT1
Page 2
)