TSM121 Ver la hoja de datos (PDF) - STMicroelectronics
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TSM121 Datasheet PDF : 12 Pages
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TSM121
ELECTRICAL CHARACTERISTICS
Tamb = 25°C and Vcc = 17V (unless otherwise
specified)
Symbol
Parameter
Test Condition
Min Typ Max Unit
Icc Total Supply Current
Total Current Consumption
HOUSEKEEPING SECTION
7
12
mA
Voltage Reference (Vref1)
Vref1 Internal Voltage Reference
2.5
V
Over Current, Over Voltage and Under Voltage Protection
Vcs33
Vcs5
Vcs12
Vov33
Vov5
Vov12
Vuv33
Vuv5
Vuv12
Vep
Tfault
Over Current Sense Threshold 3.3V
Over Current Sense Threshold 5V
Over Current Sense Threshold 12V
Over Voltage Sense 3.3V
Over Voltage Sense 5V
Over Voltage Sense12V
Under Voltage Sense 3.3V
Under Voltage Sense 5V
Under Voltage Sense 12V
Extra Over voltage Protection Threshold
Fault Delay Before Latching
Internally Fixed Delay
46.5 50 53.5
mV
46.5 50 53.5
mV
60.5 65 69.5
mV
3.8
4
4.2
V
5.8
6.1
6.4
V
13.4 14.2 15
V
2.1
2.3
2.5
V
3.7
4
4.3
V
9.2
10 10.8
V
1.25
V
150
µs
Current Surge Blanking
Vsur Threshold Voltage
2.5
V
Tsur Current Surge blank
Rsur = 33kΩ, Csur = 4.7µF
21
ms
Vsurth Surge detection clamp voltage
6
V
Under Voltage Blanking During Power Up
Tuv
Thuv
Under Voltage Blanking During Power
Up (Vcc rise)
Blanking Threshold
Cuv = 2.2µF
100 300 500
ms
2.5
V
Power Good (PG)
Vpgth Power Good Voltage Threshold
2.5
V
Vpghyst Power Good Voltage Threshold
Hysteresis
150
mV
Vpgol Low Output Open Collector Saturation Collector Current = 15mA
Voltage
0.4
V
Ipgoh High Output Open Collector Leakage PG Output = 5V
Current
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=2.2µF 100 300 500
ms
PIth Power Input Detection Threshold
1.25
V
Remote Control (REM)
Vremth
Vremih
Iremil
Trem1
Remote ON/OFF Input Voltage
Threshold
High Input Remote Voltage
Low Input Remote Saturation Current
Remote Adjustable Delay ON to OFF
Load Capacitor
Crem=0.1µF
0.7
0.8
1
V
4.8
5
V
0.5
mA
40
50
60
ms
4/12
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