LX8580 Microsemi Corporation, LX8580 Datasheet - Page 2

• Manufacturer Part Number: LX8580
• Description: 7a Very Low Dropout Positive Adjustable Regulator
• Manufacturer: Microsemi Corporation

LX8580
2
Power Dissipation ...................................................................................... Internally Limited
V
V
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
The θ
All of the above assume no ambient airflow.
PWR
CTRL
THERMAL RESISTANCE-JUNCTION TO TAB, θ θ θ θ θ
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θ θ θ θ θ
THERMAL RESISTANCE-JUNCTION TO TAB, θ θ θ θ θ
THERMAL RESISTANCE-JUNCTION TO AMBIENT, θ θ θ θ θ
Plastic (P Package) ................................................................................................ 150°C
Input Voltage ........................................................................................................... 7V
Input Voltage ......................................................................................................... 13V
JA
numbers are guidelines for the thermal performance of the device/pc-board system.
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
V
CTRL
T H E R M A L D ATA
7A V
P R O D U C T D A T A B O O K 1 9 9 6 / 1 9 9 7
J
= T
Control
A
ERY
+ (P
P
D
L
R O D U C T I O N
Thermal Overload
x θ
Amplifier
JT
JT
OW
Limiting
Current
JA
).
Regulation
Amplifier
D
JA
JA
Voltage
ROPOUT
B L O C K D I A G R A M
P
OSITIVE
(Note 1)
D
A T A
V
A
REF
3.0°C/W
3.0°C/W
DJUSTABLE
60°C/W
60°C/W
S
H E E T
Power
R
EGULATOR
OUTPUT
SENSE
V
ADJUST
PWR
PACKAGE PIN OUTS
TAB IS OUTPUT
TAB IS OUTPUT
DD PACKAGE
5
1
P PACKAGE
(Top View)
(Top View)
5
4
3
2
1
V
V
OUTPUT
ADJUST
SENSE
Copyright © 1999
Rev. 1.0
CTRL
PWR
V
V
OUTPUT
ADJUST
SENSE
PWR
CTRL
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