L4977A Просмотр технического описания (PDF) - STMicroelectronics
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L4977A Datasheet PDF : 21 Pages
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L4977A
ABSOLUTE MAXIMUM RATINGS
Symbol
V9
V9
V7
I7
V6
V3, V12
V4
I4
V5, V10, V11, V13
I5
I10
I12
Ptot
Tj, Tstg
Parameter
Input Voltage
Input Operating Voltage
Output DC Voltage
Output Peak Voltage at t = 0.1µs f = 200KHz
Maximum Output Current
Bootstrap Voltage
Bootstrap Operating Voltage
Input Voltage at Pins 3, 12
Reset Output Voltage
Reset Output Sink Current
Input Voltage at Pin 5, 10, 11, 13
Reset Delay Sink Current
Error Amplifier Output Sink Current
Soft Start Sink Current
Total Power Dissipation at Tcase < 120°C
Junction and Storage Temperature
PIN CONNECTION (Top view)
Value
Unit
55
V
50
V
-1
V
-7
V
Internally Limited
65
V
V9 + 15
V
12
V
50
V
50
mA
7
V
30
mA
1
A
30
mA
30
W
-40 to 150
°C
THERMAL DATA
Symbol
Rth j-case
Rth j-amb
Parameter
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
2/21
max
max
Value
1
35
Unit
°C/W
°C/W
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