TSM121 データシートの表示（PDF） - STMicroelectronics
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TSM121 Datasheet PDF : 12 Pages
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TSM121
ABSOLUTE MAXIMUM RATINGS
Symbol
DC Supply Voltage
Vcc DC Supply voltage pin 2 1)
Iout Output current Power Good and Fault
Co Collector Output Current
Top Operating Free Air Temperature Range
Pd Power dissipation
Tstg Storage temperature
Tuv Adjustable Under voltage blanking delay at Power Up
EP Extra Protection
PI Power Good input
PG Power Good output
Tpg Adjustable Power Good delay
REM Remote control
Trem Adjustable Remote delay
Tsur Adjustable Inrush Current Blank (surge)
IN+ Positive Input of the error amplifier
IN- Negative Input of the error amplifier
FB Feedback input of the error amplifier
OSC Frequency setting capacitor input
1. All voltages values , except differential voltage , are with respect to network ground terminal .
Value
25
30
50
-55 to 125
1
-55 to 125
5
5
5
5
5
5
5
5
5
5
5
5
Unit
V
mA
mA
°C
W
°C
V
V
V
V
V
V
V
V
V
V
V
V
OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
Vcc DC Supply Voltage 1)
14 to 24
V
Co Collector Output Current
up to 30
mA
Freq Oscillator Frequency
<200
kHz
Toper Operating Free Air Temperature Range
0 to 85
°C
1. The TSM121 starts working properly before 14V, but the 12V line over current protection can be reliable only when Vcc has reached a
sufficient level: t(he DC supply voltage must be higher than the voltage applied on the Is12 input (12V line protection) plus 2V. For exam-
ple, if 13.2V is present on the IS12 input, the minimum required value on Vcc is 15.2V.
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