파트넘버.co.kr GS-R412 데이터시트 PDF


GS-R412 반도체 회로 부품 판매점

20W TO 140W STEP-DOWN SWITCHING REGULATOR FAMILY



STMicroelectronics 로고
STMicroelectronics
GS-R412 데이터시트, 핀배열, 회로
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
1/3


GS-R412 데이터시트, 핀배열, 회로
GS-R400/2 FAMILY
CONNECTION DIAGRAM AND MECHANICAL DATA
Dimensions in mm Bottom view
Pin 5 GS-R400V/2 only
PIN DESCRIPTION
Pin Function
1 + Input
2 Input GND
3 Output GND
4 + Output
5 Program
Description
DC input voltage. Recommended maximum voltage is 40V.
Return for input voltage source.
Return for output current path. Internally connected to pin 2.
Regulated DC output voltage.
A resistor (<10k) connected between this pin and pin 4 sets the + output voltage of the
GS-R400V/2.
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Vo/T
Io
IoL
Iisc
fs
SVR
Vr
tss
tcb
Vcth
Rth
Temperature Stability
Output Current
Current Limit
Average Input Current
Switching Frequency
Supply Voltage Rejection
Ripple Voltage
Soft Start Time
Crowbar Delay Time
Crowbar Intervention Threshold
Thermal Resistance
Vi = Vo+8V Io = 1A
Vi = Vo+8V
Vi = Vo+8V
Vi = 40V Output Shorted
Io = 1A
fo = 100Hz Io = 1A
Io = 1A
Case to ambient
0.1
Typ
0.2/0.6
5
0.1
100
4/12
25/100
10/35
5
Vo1.25
8
Max
4
8
0.2
Unit
mV/°C
A
A
A
kHz
mV/V
mVpp
ms
µs
V
°C/W
2/3




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GS-R412 regulator

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