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KD1083V33 Datasheet

  • KD1083V33

  • 7.5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXE...

  • 11頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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KD1083
7.5A LOW DROP POSITIVE VOLTAGE REGULATOR
ADJUSTABLE AND FIXED
PRELIMINARY DATA
s
s
s
s
s
s
s
s
s
THREE TERMINAL ADJUSTABLE OR FIXED
OUTPUT VOLTAGE 1.5V,1.8V, 2.5V, 3.0, 3.3V
OUTPUT CURRENT UP TO 7.5A
1.4V MAX DROPOUT VOLTAGE AT FULL
LOAD
LINE REGULATION: MAX 0.2% OVER FULL
TEMPERATURE RANGE
LOAD REGULATION: MAX 0.5% OVER FULL
TEMPERATURE RANGE
OUTPUT CURRENT LIMIT
THERMAL SHUTDOWN PROTECTION
WITH HYSTERESIS
WIDE OPERATING TEMPERATURE RANGE
-40擄C TO 125擄C
PINOUT COMPATIBILITY WITH STANDARD
ADJUSTABLE VREG
TO-220
D
2
PAK
DESCRIPTION
The KD1083 is a low drop linear voltage regulator,
proposed both in adjustable and fixed version and
designed for use in applications requiring output
currents up to 7.5A. Dropout voltage is
guaranteed not to exceed 1.4V at maximum
output
current
while
it
decreases
at
lighter loads. The KD1083 also features an
on-chip output current limit function and a thermal
shutdown protection with hysteresis, preventing
from excessive power dissipation in case of
SCHEMATIC DIAGRAM
insufficient heatsinking. The KD1083 is fully pin to
pin compatible with the older 3-terminal adjustable
regulators, but it has better performances in terms
of drop and output voltage precision.
On chip trimming allows the regulator to reach a
very tight output voltage tolerance, within 鹵2% at
25擄C and 2% over the full temperature range.
Unlike voltage regulators using a PNP transistor
as series pass element in which a considerable
fraction of the output current is wasted as
quiescent current, the LD1083 quiescent current
flows almost entirely into the load, improving the
efficiency.
Only a 10碌F minimum capacitor is required for
output stability.
October 2002
1/11
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

KD1083V33 產品屬性

  • STMicroelectronics

  • 低壓降 (LDO) 調節(jié)器

  • 18 V

  • 13.97 V

  • 1.05 V

  • 7.5 A

  • Through Hole

  • TO-220

  • Tube

  • 50

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