GS-R4840N Datasheet, PDF (1/2 Pages) STMicroelectronics – 44W NEGATIVE SWITCHING REGULATOR

GS-R4840N
44W NEGATIVE SWITCHING REGULATOR
Type
GS-R4840N
V_in
-43 to -60 V
V_out
40 V
I_out
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.
ELECTRICAL CHARACTERISTICS (Tamb.= 25° C unless otherwise specified)
Symbol
Vi
Vni
li
Vo
Parameter
Input Voltage
Input noise
(CCITTP53)
Input Current
Output Voltage
Vor Output Ripple
Voltage
Vno Output noise
(CCITTP53)
Iosc Output Current Limit
fs
Switching Frequency
η
Efficiency
Top Operating
Temperature Range
Tstg Storage Temperature
Range
Io = 1.08A
Vi = -48V
Test Conditions
Io = 1A
Vi = -48V Io = 1.08A
Vi = -43 to -60V
Io = 0 to 1.08A
Vi = -48V Io = 1.08A
Vi = -48V Io = 1A
Vi = -48V
Vi= -48V Io = 1.08A
Min Typ Max Unit
-43 -48 -60 V
1 mV
-1
A
-38.5 -40.5 -42.5 V
100 mVpp
1 mV
-1.6
A
50
kHz
93
%
0
+70 °C
-20
+85 °C
December 1993
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