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TSM112 数据表(PDF) 3 Page - STMicroelectronics

部件名 TSM112
功能描述  3.3V 5V 12V HOUSEKEEPING IC
PDF  7 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TSM112 数据表(HTML) 3 Page - STMicroelectronics

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TSM112
3/7
ELECTRICAL CHARACTERISTICS
Tamb = 25°C and Vcc = 17V (unless otherwise
specified)
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Total Current Consumption
Icc
Total Supply Current
3
5
mA
Over Voltage and Under Voltage Protection
Vov33
Over Voltage Sense 3.3V
Input can go higher than
Vcc
3.8
4
4.2
V
Vov5
Over Voltage Sense 5V
Input can go higher than
Vcc
5.8
6.1
6.4
V
Vov12
Over Voltage Sense12V
Input can go higher than
Vcc
13.4
14.2
15
V
Vuv33
Under Voltage Sense 3.3V
2.1
2.3
2.5
V
Vuv5
Under Voltage Sense 5V
3.7
4
4.3
V
Vuv12
Under Voltage Sense 12V
9.2
10
10.8
V
Vep
Extra Over voltage Protection Threshold
1.28
V
Tfault
Fault Delay Before Latching
Internally Fixed Delay
100
µs
Under Voltage Blanking During Power Up
Tuv
Under Voltage Blanking During Power
Up (Vcc rising)
Cuv = 2.2
µF
Adjustable Blanking
100
300
500
ms
Thuv
Blanking Threshold
1.28
V
Power Good (PG)
Vpgth
Power Good Voltage Threshold
1.28
V
Vpghyst Power Good Voltage Threshold
Hysteresis
70
mV
Vpgol
Low Output Open Collector Saturation
Voltage
Collector Current = 15mA
0.4
V
Ipgoh
High Output Open Collector Leakage
Current
PG Output = 5V
1
µA
Tpgr
Power Good Output Rise Time
Load Capacitor = 100pF
1
µs
Tpgf
Power Good Output Fall Time
Load Capacitor = 100pF
1
µs
Tpg
Power Good Adjustable Delay
Load Capacitor Cpg=2.2
µF
100
300
500
ms
PIth
Power Input Detection Threshold
1.28
V
Fault
Vfaultol
Fault Output Saturation Voltage Level
IFault = 1mA
1
V
Ifaultoh
Fault Output Leakage Current Level
Vfault = 5V
1
µA
Remote Control (REM)
Vremth
Remote ON/OFF Input Voltage
Threshold
0.7
0.8
1
V
Vremih
High Input Remote Voltage
3.3
3.4
V
Iremil
Low Input Remote Saturation Current
0.5
mA
Trem1
Remote Adjustable Delay ON to OFF
Load Capacitor
Crem=0.1
µF
40
50
60
ms
Trem2
Remote Adjustable Delay OFF to ON
Load Capacitor
Crem=0.1
µF
40
50
60
ms
Voltage Reference
Vref
Internal Voltage Reference
Io = 0mA
2.46
2.5
2.54
V
Regline
Line regulation
Io = 0mA
4.5V<Vcc<24V
410
mV
Regline
Line regulation
Io = 10mA
4.5V<Vcc<24V
15
mV
Regload Load regulation 1)
0<Io<10mA
25
mV
1. Do not short circuit the Vref Pin



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