GS-R4840N

44W NEGATIVE SWITCHING REGULATOR

December 1993

1/2

Type

GS-R4840N

-43 to -60 V

40 V

1,08 A

DESCRIPTION

The GS-R4840N is a negative input, negative out-

put switching voltage regulator that can provide up

to 44W output power without input to output isola-

tion.

° C unless otherwise specified)

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Vi

Input Voltage

Io = 1.08A

-43

-48

-60

V

Vni

Input noise

(CCITTP53)

Vi = -48V

Io =1A

1mV

li

Input Current

Vi = -48V

Io = 1.08A

-1

A

Vo

Output Voltage

Vi = -43 to -60V

Io = 0 to 1.08A

-38.5

-40.5

-42.5

V

Vor

Output Ripple

Voltage

Vi = -48V

Io = 1.08A

100

mVpp

Vno

Output noise

(CCITTP53)

Vi = -48V

Io =1A

1mV

Iosc

Output Current Limit

Vi = -48V

-1.6

A

fs

Switching Frequency

50

kHz

η

Efficiency

Vi= -48V

Io = 1.08A

93

%

Top

Operating

Temperature Range

0

+70

°C

Tstg

Storage Temperature

Range

-20

+85

°C