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PDF GS-R405S Data sheet ( Hoja de datos )

Número de pieza GS-R405S
Descripción 20W TO 140W STEP-DOWN SWITCHING REGULATOR FAMILY
Fabricantes STMicroelectronics 
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No Preview Available ! GS-R405S Hoja de datos, Descripción, Manual

GS-R400 Family
20W TO 140W STEP-DOWN
SWITCHING REGULATOR FAMILY
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
Ordering
Number
GS-R405
GS-R412
GS-R415
GS-R424
GS-R405S
GS-R400V
Output
Voltage
(V)
Input
Voltage
(V)
5.1 ± 2%
12.0 ± 4%
15.0 ± 4%
24.0 ± 4%
5.1 ± 2%
5.1 to 40
9 to 46
16 to 46
19 to 46
28 to 46
9 to 46
Vo+4 to 46
Output
Ripple
(mVpp)
25
50
65
100
25
25 to 100
Regulation
Line Load
(mV/V) (mV/A)
2 20
5 40
5 60
6 90
2 20
6 20 to 90
GS-R400VB 5.1 to 40 Vo+4 to 46 25 to 100
6 20 to 90
Note: The line regulation is measured at Iout=1A
The load regulation is measured at Vin=Vo+8V and Iout=1 to 3A
For VO 36V and Io = 4A an external heatsink or forced ventilation are required.
ABSOLUTE MAXIMUM RATINGS
Efficiency
(%)
Notes
70
80
85
90
70
70 to 90
70 to 90
Fixed output voltage
"
"
"
Reset output
Progr. output voltage
Progr. output voltage and
current. Frequency synchr.
Symbol
Parameter
Vi DC Input Voltage
Irt* Reset Output Sink Current
Tstg Storage Temperature Range
Tcop Operating Case Temperature Range
* GS-R405S only
Value
48
20
– 40 to +105
– 20 to +85
Unit
V
mA
°C
°C
June 1994
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GS-R405S pdf
Figure 4. Voltage and Current Programming
GS-R400 FAMILY
Figure 5. Multiple Units Synchronization
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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