LX8580 Ver la hoja de datos (PDF) - Microsemi Corporation
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LX8580 Datasheet PDF : 4 Pages
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PRODUCT DATABOOK 1996/1997
LX8580
7A VERY LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
PRODUCTION DATA SHEET
A B S O L U T E M A X I M U M R AT I N G S (Note 1)
Power Dissipation ...................................................................................... Internally Limited
V Input Voltage ........................................................................................................... 7V
PWR
VCTRL Input Voltage ......................................................................................................... 13V
Operating Junction Temperature
Plastic (P Package) ................................................................................................ 150°C
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
to Ground. Currents are positive into, negative out of the specified terminal.
PACKAGE PIN OUTS
TAB IS OUTPUT
5
1
P PACKAGE
(Top View)
VPWR
VCTRL
OUTPUT
ADJUST
SENSE
THERMAL DATA
P PACKAGE:
THERMAL RESISTANCE-JUNCTION TO TAB, θJT
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
DD PACKAGE:
3.0°C/W
60°C/W
THERMAL RESISTANCE-JUNCTION TO TAB, θJT
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θJA
3.0°C/W
60°C/W
Junction Temperature Calculation: TJ = TA + (PD x θJA).
The
θ
JA
numbers
are
guidelines
for
the
thermal
performance
of
the
device/pc-board
system.
All of the above assume no ambient airflow.
TAB IS OUTPUT
5
VPWR
4
VCTRL
3
OUTPUT
2
ADJUST
1
SENSE
DD PACKAGE
(Top View)
BLOCK DIAGRAM
VCTRL Control
Power VPWR
Current
Limiting
Amplifier
Thermal Overload
Voltage
Regulation
Amplifier
VREF
OUTPUT
SENSE
ADJUST
2
Copyright © 1999
Rev. 1.0 11/99
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