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GS-R51212 数据表(PDF) 2 Page - STMicroelectronics

部件名 GS-R51212
功能描述  20W TRIPLE OUTPUT STEP-DOWN SWITCHING REGULATOR
PDF  5 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

GS-R51212 数据表(HTML) 2 Page - STMicroelectronics

  GS-R51212 Datasheet HTML 1Page - STMicroelectronics GS-R51212 Datasheet HTML 2Page - STMicroelectronics GS-R51212 Datasheet HTML 3Page - STMicroelectronics GS-R51212 Datasheet HTML 4Page - STMicroelectronics GS-R51212 Datasheet HTML 5Page - STMicroelectronics  
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ELECTRICAL CHARACTERISTICS (TA = 25
°C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vo1
Output Voltage
Vi = 24V
Io1 = 2.5A
4.95
5.1
5.2
V
Vo2
Output Voltage
Vi=24V
Io2 = 0.1A
11.5
12.5
V
Vo3
Output Voltage
Vi = 24V
Io3 = 0.1A
11.5
12.5
V
∆Vo/∆T
Temperature Stability
All Outputs
0.2
mV/
°C
Vi
Input Voltage
940
V
Io1
Output Current
Vi = 24V
0.5
3.5
A
Io2
Output Current
Vi = 24V
0.1
A
Io3
Output Current
Vi = 24V
0.1
A
Iisc
Average Input Current
Vi = 40V
Vo1 = 0V
0.1
0.2
A
Iisc
Average Input Current
Vi = 40V
Vo1/2/3 = 0V
0.1
0.2
A
Iir
Reflected Input Current
Vi = 24V
Io1 = 2.5A Io2,3 = 0.1A
200
mApp
Vis
5V to 12V Isolation Voltage
200
VDC
fs
Switching Frequency
100
kHz
η
Efficiency
Vi = 24V
Io1 = 2.5A Io2,3 = 0.1A
70
%
∆Vo
Line Regulation
Io1 = 2.5A Vi = 15 to 25V Io2,3 = 0.1A
2
mV/V
∆Vo
Load Regulation
Vi = 24V
Io1 = 0.5 to 2.5A
Vi = 24V
Io2,Io3 = 0.05 to 0.1A
35
600
mV/A
SVR
Supply Voltage Rejection
50/60Hz
4
mV/V
Vor
Output Ripple Voltage
Vi = 24V
Io1 = 2.5A
30
mVpp
Von
Output Noise Voltage
Vi = 24V
Io1 = 2.5A
40
mVpp
Irh
Reset Leakage Current
100
µA
Vrl
Reset Low Level
Ireset = 5mA
0.2
V
trd
Reset Delay Time
100
ms
tr1
Line Transient Recovery Time
Io1 = 2.5A
Vi = 15 to 35V
500
µs
tr2
Load Transient Recovery Time
Vi = 24V
Io = 0.5 to 2.5A
200
µs
tss
Soft Start Time
10
ms
tcd
Crowbar Delay Time
5
µs
Vcth
Crowbar Intervention Threshold
6.37
V
Rth
Thermal Resistance
Case to ambient
5
°C/W
GS-R51212



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