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TSM1121 Datasheet(PDF) 9 Page - STMicroelectronics

Part # TSM1121
Description  3.3V 5V 12V HOUSEKEEPING IC
PDF  11 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TSM1121 Datasheet(HTML) 9 Page - STMicroelectronics

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Application Information
TSM1121
9/11
Truth Table for OVP and UVP detection
EP
PI
Vsxx
Rem
Fault
PG
Power supply
state
Vref
Vref
OK
1
1
0
Remote
Vref
Vref
OK
0
0
1
OK
Vref
Vref
OVP on Vsxx
0
1
0
OVP detected
Vref
Vref
OK
0
1
1
Fault latched
Vref
Vref
OK
1
1
0
Remote
Vref
Vref
OK
0
0
1
OK
Vref
<1.28V
OK
0
0
0
UVP detected on PI
Vref
Vref
OK
0
0
1
OK
<1.28V
Vref
OK
0
1
0
UVP detected on EP
Vref
Vref
OK
0
1
0
Fault latched
Vref
Vref
OK
1
1
0
Remote
Vref
Vref
OK
0
0
1
OK



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