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L4963 Arkusz danych(PDF) 2 Page - STMicroelectronics

Numer części L4963
Szczegółowy opis  1.5A SWITCHING REGULATOR
PDF  17 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4963 Arkusz danych(HTML) 2 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
SO20
Powerdip
Vi
Input Voltage (pin 1 and pin 3 connected togheter)
47
V
V3–V2
Input to Output Voltage Difference
47
V
V2
Negative Output DC Voltage
–1
V
V2
Negative Output Peak Voltage at t=0.2
µs, f=50kHz
–5
V
V8
V7
Power Fail Input
25
V
V9,V11
V8,V10
Reset and Power Fail Output
Vi
V10
V9
Reset Delay Input
5.5
V
V13,V18
V12,V16
Feedback and Inhibit Inputs
7V
V19,V20
V17,V18
Oscillator Inputs
5.5
V
Ptot
Total Power Dissipation Tpins
≤ 90°C (Power DIP)
(Tamb =70
°C no copper area on PCB)
(Tamb =70
°C, 4cm2 copper area on PCB)
5
1.3
2
W
W
W
Tstg,Tj
Storage & Junction Temperature
(Tamb = 70
°C 6cm2 copper area on PCB)
–40 to 150
1.45
°C
W
Ptot
Total Power Dissipation Tpins
≤90°C (SO20L)
4W
PIN CONNECTION (top view)
Powerdip18
SO20
L4963 - L4963D
2/17



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