GS-R400/2 Family

SMALL SIZE STEP-DOWN

SWITCHING REGULATOR FAMILY

June 1994

1/3

SELECTION CHART

Type

Ordering

Number

Output

Voltage

(V)

Input

Voltage

(V)

Output

Ripple

(mVpp)

Regulation

Efficiency

(%)

Notes

Line

(mV/V)

Load

(mV/A)

GS-R405/2

5.1

± 2%

9 to 40

25

2

20

80

Fixed output voltage

GS-R412/2

12.0

± 4%

16 to 40

50

5

40

85

"

GS-R415/2

15.0

± 4%

19 to 40

65

6

60

87

"

GS-R424/2

24.0

± 4%

28 to 40

100

6

80

90

"

GS-R400V/2

5.1 to 24

Vo+4 to 40

25 to 100

2 to 6

20 to 80

80 to 90

Progr. output voltage

Case temperature must be kept below 85

° C

FEATURES

MTBF in excess of 500,000 hours

4A max output current

40V max input voltage

4V max drop-out voltage

Soft start

Non-latching short circuit protection

Crow-bar output overvoltage protection

DESCRIPTION

The GS-R400/2 series is a family of small sized

high current, high voltage step-down switching

regulators.

The integral heatsink allows a large power handling

capability and it provides also an effective shielding

to minimize EMI.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Vi

DC Input Voltage

42

V

Io

Output Current

4A

Tstg

Storage Temperature Range

– 40 to +105

°C

Tcop

Operating Case Temperature Range

– 20 to +85

°C