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KD1083 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - STMicroelectronics

๋ถ€ํ’ˆ๋ช… KD1083
์ƒ์„ธ๋‚ด์šฉ  7.5A LOW DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE AND FIXED
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KD1083 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 1 Page - STMicroelectronics

 
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October 2002
s
THREE TERMINAL ADJUSTABLE OR FIXED
OUTPUT VOLTAGE 1.5V,1.8V, 2.5V, 3.0, 3.3V
s
OUTPUT CURRENT UP TO 7.5A
s
1.4V MAX DROPOUT VOLTAGE AT FULL
LOAD
s
LINE REGULATION: MAX 0.2% OVER FULL
TEMPERATURE RANGE
s
LOAD REGULATION: MAX 0.5% OVER FULL
TEMPERATURE RANGE
s
OUTPUT CURRENT LIMIT
s
THERMAL SHUTDOWN PROTECTION
WITH HYSTERESIS
s
WIDE OPERATING TEMPERATURE RANGE
-40ยฐC TO 125ยฐC
s
PINOUT COMPATIBILITY WITH STANDARD
ADJUSTABLE VREG
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
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 ยฑ2% at
25ยฐC 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 10ยตF minimum capacitor is required for
output stability.
KD1083
7.5A LOW DROP POSITIVE VOLTAGE REGULATOR
ADJUSTABLE AND FIXED
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
SCHEMATIC DIAGRAM
TO-220
D2PAK
PRELIMINARY DATA


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