GS-R405

Manufacturer Part NumberGS-R405
ManufacturerSTMicroelectronics
GS-R405 datasheet
 


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FEATURES
MTBF in excess of 200,000 hours
4A max output current
46V max input voltage
4V max drop-out voltage
Soft start
Remote logic inhibit/enable
Remote output voltage sense
Non-latching overload and short circuit protection
Crow-bar output overvoltage protection
DESCRIPTION
The GS-R400 series is a versatile family of high
current, high voltage step-down switching voltage
regulators.
The integral heatsink allows a large power handling
capability and it provides also an effective shielding
to minimize EMI.
SELECTION CHART
Type
Output
Input
Ordering
Voltage
Voltage
Number
(V)
(V)
GS-R405
5.1
2%
9 to 46
GS-R412
12.0
4%
16 to 46
GS-R415
15.0
4%
19 to 46
GS-R424
24.0
4%
28 to 46
GS-R405S
5.1
2%
9 to 46
GS-R400V
5.1 to 40
Vo+4 to 46
GS-R400VB
5.1 to 40
Vo+4 to 46
Note: The line regulation is measured at I
The load regulation is measured at V
For V
36V and I
= 4A an external heatsink or forced ventilation are required.
O
o
ABSOLUTE MAXIMUM RATINGS
Symbol
DC Input Voltage
V i
Reset Output Sink Current
I rt *
Storage Temperature Range
T stg
Operating Case Temperature Range
T cop
* GS-R405S only
June 1994
20W TO 140W STEP-DOWN
SWITCHING REGULATOR FAMILY
Regulation
Output
Ripple
Line
Load
(mVpp)
(mV/V)
(mV/A)
25
2
20
50
5
40
65
5
60
100
6
90
25
2
20
25 to 100
6
20 to 90
25 to 100
6
20 to 90
=1A
out
=V
+8V and I
=1 to 3A
in
o
out
Parameter
GS-R400 Family
Efficiency
Notes
(%)
Fixed output voltage
70
80
"
85
"
90
"
Reset output
70
Progr. output voltage
70 to 90
Progr. output voltage and
70 to 90
current. Frequency synchr.
Value
Unit
48
20
– 40 to +105
– 20 to +85
V
mA
C
C
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GS-R405 Summary of contents