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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 鹵 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

鹵

3

%

1.8

鹵

4

%

2.5

鹵

4

%

3.3

鹵

4

%

5.0

鹵

4

%

1.235

梅

5.0

3.3

鹵

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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