ST2L05
VERY LOW QUIESCENT CURRENT
DUAL VOLTAGE REGULATOR
s
s
s
s
s
s
s
s
s
s
s
V
O1
= 1.5, 1.8, 2.5, 2.8, 3.0, 3.3V FIXED
V
O2
= 1.5, 1.8, 2.5, 2.8, 3.0, 3.3V FIXED OR
ADJUSTABLE FROM 1.25 TO V
I
- V
DROP
GUARANTEED OUTPUT1 CURRENT: 1A
GUARANTEED OUTPUT2 CURRENT: 1A
鹵 2% OUTPUT TOLERANCE (AT 25擄C)
鹵 3% OUTPUT TOLERANCE OVER TEMP.
TYPICAL DROPOUT 1.1V (I
O1
= I
O2
= 1A)
INTERNAL POWER AND THERMAL LIMIT
STABLE WITH LOW ESR OUTPUT
CAPACITOR
OPERATING TEMPERATURE RANGE:
0擄C TO 125擄C
VERY LOW QUIESCENT CURRENT: 7mA
MAX OVER TEMP.
AVAILABLE IN PPAK, SPAK AND IN DFN
5x6mm PACKAGE
SPAK-5L
PPAK
DFN
DESCRIPTION
Specifically
designed
for
data
storage
applications, this device integrates two voltage
regulators, each one able to supply 1A and it is
assembled in PPAK, in SPAK and in a new 8-PIN
surface mounting package named DFN 5x6mm at
8 pins. The first regulator block supplies 1.5V,
1.8V, 2.5V, 2.8V, 3.0V, 3.3V depending on the
BLOCK DIAGRAM OF FIXED/ADJ VERSION
chosen version. The second one may be fixed to
the same values or adjustable from 1.25V to V
I
-
V
DROP
that could power several kind of different
micro-controllers. Both outputs are current limited
and over temperature protected. It is worth
underlining the very good thermal performance of
the packages SPAK and DFN with only 2擄C/W of
Thermal
Resistance
Junction
to
Case.
Applications are HARD DISK, CD/DVD-ROM, CD/
DVD-R/RW, COMBO (DVD-ROM+CD-R/RW).
October 2003
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