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GS-R412 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer GS-R412
Beschreibung 20W TO 140W STEP-DOWN SWITCHING REGULATOR FAMILY
Hersteller STMicroelectronics
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Gesamt 3 Seiten
GS-R412 Datasheet, Funktion
GS-R400/2 Family
SMALL SIZE STEP-DOWN
SWITCHING REGULATOR FAMILY
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.
SELECTION CHART
Type
Ordering
Number
GS-R405/2
GS-R412/2
GS-R415/2
GS-R424/2
GS-R400V/2
Output
Voltage
(V)
Input
Voltage
(V)
5.1 ± 2%
12.0 ± 4%
15.0 ± 4%
24.0 ± 4%
5.1 to 24
9 to 40
16 to 40
19 to 40
28 to 40
Vo+4 to 40
Output
Ripple
(mVpp)
25
50
65
100
25 to 100
Regulation
Line Load
(mV/V) (mV/A)
2 20
5 40
6 60
6 80
2 to 6 20 to 80
Efficiency
(%)
Notes
80
85
87
90
80 to 90
Fixed output voltage
"
"
"
Progr. output voltage
Note : Line regulation is measured at Iout=1A.
Load regulation is measured at Vin=Vo+8V and Iout=0.5 to 1.5A.
Case temperature must be kept below 85° C
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi
Io
Tstg
Tcop
DC Input Voltage
Output Current
Storage Temperature Range
Operating Case Temperature Range
Value
42
4
– 40 to +105
– 20 to +85
Unit
V
A
°C
°C
June 1994
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