GS-R12HXXX2
2.5W TO 24W STEP-DOWN SWITCHING REGULATOR FAMILY
PRELIMINARY
FEATURE
s
s
s
s
s
s
s
s
s
s
s
MTBF 1 000 000 hours (T
amb
=25
)
C)
2A max output current
35V max input voltage
1.5V max drop-out voltage
3.3V 卤 2% reference voltage
Remote logic inhibit/enable
Synchronization
Not-latching overload and short circuit
protection
Thermal shutdown
Fixed or adjustable output
No heatsink required
ORDERING NUMBER: GS-R12HXXX2
DESCRIPTION
The GS-R12HXXX2 series is a family of high efficiency step down switching voltage regulator, designed to re-
place linear regulators.
Based on STM L5973 device, this non isolated family of regulators are suitable for the full spectrum of applica-
tions including telecom, industry, computer and distributed power system applications having a widely ranging
input voltage.
SELECTION CHART
Type
Ordering
Number
GS-R12H0122
GS-R12H0182
GS-R12H0252
GS-R12H0332
GS-R12H0502
GS-R12H0002
GS-R24H0332
Output
Voltage
[V]
1.235
卤
3
%
1.8
卤
4
%
2.5
卤
4
%
3.3
卤
4
%
5.0
卤
4
%
1.235
梅
5.0
3.3
卤
4
%
Input
Voltage
[V]
4.5
梅
15
4.5
梅
15
4.5
梅
15
4.5
梅
15
6.6
梅
15
4.5
梅
15
16
梅
35
Output
Ripple
[mVpp]
20
20
20
20
20
20
20
Efficiency
[%]
68
72
76
82
85
68
梅
85
82
Notes
Fixed output voltage
Fixed output voltage
Fixed output voltage
Fixed output voltage
Fixed output voltage
Progr. output voltage
Fixed output voltage
October 2003
This is preliminary information on a new product now in development. Details are subject to change without notice.
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