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ST2L01PT Datasheet

  • ST2L01PT

  • DUAL VOLTAGE REGULATOR

  • 12頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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ST2L01
DUAL VOLTAGE REGULATOR
s
s
s
s
s
s
s
s
s
s
V
OUT1
= +3.3V FIXED
V
OUT2
= 1.25 TO 3.0V ADJUSTABLE
GUARANTEED OUTPUT1 CURRENT: 1A
GUARANTEED OUTPUT2 CURRENT: 1A
鹵2%
OUTPUT TOLERANCE (AT 25擄C)
TYPICAL DROPOUT 1.1V
(I
OUT1
= I
OUT2
=1A)
INTERNAL POWER AND THERMAL LIMIT
STABLE WITH LOW ESR OUTPUT
CAPACITOR
OPERATING TEMPERATURE RANGE:
0擄C TO 125擄C
AVAILABLE IN PPAK AND SPAK-5L
(PowerFlex鈩? PACKAGE
PPAK
SPAK-5L
(PowerFlex
鈩?/div>
)
DESCRIPTION
Specifically
designed
for
data
storage
applications, this device integrates two voltage
regulators, each one able to supply 1A. It is
assembled in PPAK and in a new surface
mounting package named SPAK (PowerFlex鈩? at
5 pins. The first regulator block supply 3.3V to
power the Read Channel and Memory Chips
requiring this voltage. The second one is an
Adjustable output voltage from 1.25V to 3.0V that
could power several
kind of
different
micro-controllers.
Both
outputs
are
current
limited
and
overtemperature protected.
The very good thermal performances of the
package SPAK with only 2擄C/W of Thermal
Resistance Junction to Case is important to
underline.
SCHEMATIC DIAGRAM
Over current
Protection
VREF1
Err-Amp
Power Output
RA
VOUT1
Thermal
Protection
RB
GND
VREF2
Err-Amp
Power Output
VOUT2
Over current
Protection
ADJ
March 2002
1/12

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