Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Io3

Output Current 3*

GS-R51515S

Vi = 15 to 40V

Io1 = 0 to 4.5A

Vo3 = – 15V

Io2 = 0 to 0.3A

0

– 0.3

A

Io3

Output Current 3*

GS-R51212S

Vi = 15 to 40V

Io1 = 0 to 4.5A

Vo3 = – 12V

Io2 =0A

0

– 0.7

A

Io3

Output Current 3*

GS-R51515S

Vi = 15 to 40V

Io1 = 0 to 4.5A

Vo3 = – 15V

Io2 =0A

0

– 0.6

A

Iosck1

Output Current

Limit 1

Vi = 15 to 40V

Overload

5.5

A

Iosc1

Output Short-circuit

Current 1

Vi = 15 to 40V

3

A

Iosc2,3

Output Short-circuit

Current 2,3

Vi = 15 to 40V

0.8

A

tss

Soft-start time

10

ms

tdr

Reset Time Delay

100

ms

fs

Switching Frequency

Vi = 15 to 40V

Vo1 = 5.1V

Io1 = 0.5 to 4.5A

Vo2 = +12/+15V Vo3 = – 12/– 15V

Io2,Io3 = – 0.05 to – 0.35/– 0.3A

100

kHz

η

Efficiency

Vi = 24V

Io1,2,3 = Full Load

78

81

%

Rth

Thermal Resistance

7.5

°C/W

Tcop

Operating Case

Temperature Range

0

+85

°C

Tstg

Storage

Temperature Range

– 40

+105

°C

* Note: when output current is less than 50mA, output ripple voltage increases due to discontinuous operation.

°C unless otherwise specified) (cont’d)

3/8

GS-R51212S/GS-R51515S