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Microsemi Corporation - 10 A LOW DROPOUT POSITIV E REGULATORS

Numéro de référence LX8382A-00
Description 10 A LOW DROPOUT POSITIV E REGULATORS
Fabricant Microsemi Corporation 
Logo Microsemi Corporation 





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LX8382A-00 fiche technique
T H E I N F I N I T E P O W E R O F I N N O VAT I O N
L I N D O C #: 8382
LX8382-xx/8382A-xx
10A LOW DROPOUT POSITIVE REGULATORS
PR O D U C T I O N D ATA S H E E T
DESCRIPTION
The LX8382/8382A series ICs are
positive regulators designed to provide
10A output current. All internal
circuitry is designed to operate down
to a 1V input-to-output differential, so
the LX8382/82A can operate with
greater efficiency than previously
available devices. The dropout voltage
for each product is fully specified as a
function of load current. Dropout is
guaranteed at a maximum of 1.4V
for the LX8382 and 1.2V for the
LX8382A at maximum output current,
decreasing at lower load currents.
Fixed versions are also available and
specified in the Available Options table
below. The LX8382/82A have 1%
initial voltage reference accuracy and
2% over line, load and temperature.
The LX8382/82A series devices are
pin-compatible with earlier 3-terminal
regulators, such as the 117 series
products. While a 10µF output
capacitor is required on both input and
output of these new devices, this
capacitor is generally included in most
regulator designs.
The LX8382/82A series quiescent
current flows into the load, thereby
increasing efficiency. This feature
contrasts with PNP regulators, where
up to 10% of the output current is
wasted as quiescent current. The
LX8382/82A-xxC is specified over the
commercial range of 0°C to +125°C.
PRODUCT HIGHLIGHT
3.3V, 10A RE G U L AT O R
VIN 4.75V
1500µF
6.3V
6MV1500GX
from Sanyo
IN LX8382-xx OUT
121
ADJ 1%
178
1%
3.1V at 10A
2x 330µF, 6.3V
Oscon SA type
from Sanyo
-or-
3x 1500µF, 6.3V
6MV1500GX
from Sanyo
KEY FEATURES
s THREE-TERMINAL ADJUSTABLE OR FIXED
OUTPUT VOLTAGE
s GUARANTEED < 1.4V HEADROOM AT 10A
(LX8382)
s GUARANTEED < 1.2V HEADROOM AT 10A
(LX8382A)
s OUTPUT CURRENT OF 10A MINIMUM
p 0.015% LINE REGULATION
p 0.15% LOAD REGULATION
s EVALUATION BOARD AVAILABLE:
REQUEST LXE9001 EVALUATION KIT
A P P L I C AT I O N S
s PENTIUM® PROCESSOR APPLICATIONS
s POST REGULATORS FOR SWITCHING
POWER SUPPLIES
s BATTERY CHARGERS
s CONSTANT CURRENT REGULATORS
s CYRIX® 6x86TM
s AMD-K6TM
s HIGH-CURRENT MICROPROCESSORS
AVAILABLE O PTIONS PER PAR T #
Part #
Output
Voltage
LX8382/8382A-00
Adjustable
LX8382/8382A-33
3.3V
Other voltage options may be available —
Please contact factory for details.
Application of the LX8382 for a high-current microprocessor (e.g. AMD-K6)
with less than 130mV dynamic response to a 7.5A load transient.
Copyright © 1997
Rev. 1.0 8/97
PACKAGE ORDER INFORMATION
TA (°C)
Dropout
Voltage
P
Plastic TO-220
3-pin
V
Plastic TO-247
3-terminal
0 to 125
1.4V
1.2V
LX8382-xxCP
LX8382A-xxCP
LX8382-xxCV
LX8382A-xxCV
"xx" refers to output voltage, please see table above.
FOR FURTHER INFORMATION CALL (714) 898-8121
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841
1

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