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GS-R51212S Datasheet(PDF) 3 Page - STMicroelectronics

No. de pieza GS-R51212S
Descripción Electrónicos  31WTRIPLE OUTPUT STEP-DOWN SWITCHING REGULATORS
Download  8 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

GS-R51212S Datasheet(HTML) 3 Page - STMicroelectronics

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Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Io3
Output Current 3*
GS-R51515S
Vi = 15 to 40V
Io1 = 0 to 4.5A
Vo3 = – 15V
Io2 = 0 to 0.3A
0
– 0.3
A
Io3
Output Current 3*
GS-R51212S
Vi = 15 to 40V
Io1 = 0 to 4.5A
Vo3 = – 12V
Io2 =0A
0
– 0.7
A
Io3
Output Current 3*
GS-R51515S
Vi = 15 to 40V
Io1 = 0 to 4.5A
Vo3 = – 15V
Io2 =0A
0
– 0.6
A
Iosck1
Output Current
Limit 1
Vi = 15 to 40V
Overload
5.5
A
Iosc1
Output Short-circuit
Current 1
Vi = 15 to 40V
3
A
Iosc2,3
Output Short-circuit
Current 2,3
Vi = 15 to 40V
0.8
A
tss
Soft-start time
10
ms
tdr
Reset Time Delay
100
ms
fs
Switching Frequency
Vi = 15 to 40V
Vo1 = 5.1V
Io1 = 0.5 to 4.5A
Vo2 = +12/+15V Vo3 = – 12/– 15V
Io2,Io3 = – 0.05 to – 0.35/– 0.3A
100
kHz
η
Efficiency
Vi = 24V
Io1,2,3 = Full Load
78
81
%
Rth
Thermal Resistance
7.5
°C/W
Tcop
Operating Case
Temperature Range
0
+85
°C
Tstg
Storage
Temperature Range
– 40
+105
°C
* Note: when output current is less than 50mA, output ripple voltage increases due to discontinuous operation.
ELECTRICAL CHARACTERISTICS (Tamb =25
°C unless otherwise specified) (cont’d)
3/8
GS-R51212S/GS-R51515S


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