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UC3844 データシート(PDF) 2 Page - STMicroelectronics

部品番号 UC3844
部品情報  CURRENTMODE PWM CONTROLLER
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UC3844 データシート(HTML) 2 Page - STMicroelectronics

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* All voltages are with respect to pin 5, all currents are positive into the specified terminal.
PIN CONNECTIONS (top views)
SO14
Minidip
ORDERING NUMBERS
Type
Minidip
SO14
UC2842
UC3843
UC2844
UC2845
UC2842N
UC2843N
UC2844N
UC2845N
UC2842D
UC2843D
UC2844D
UC2845D
UC3842
UC3843
UC3844
UC3845
UC3842N
UC3843N
UC3844N
UC3845N
UC3842D
UC3843D
UC3844D
UC3845D
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Vi
Supply Voltage (low impedance source)
30
V
Vi
Supply Voltage (Ii < 30mA)
Self Limiting
IO
Output Current
±1
A
EO
Output Energy (capacitive load)
5
µJ
Analog Inputs (pins 2, 3)
– 0.3 to 6.3
V
Error Amplifier Output Sink Current
10
mA
Ptot
Power Dissipation at Tamb
≤ 50 °C (minidip, DIP-14)
1W
Ptot
Power Dissipation at Tamb
≤ 25 °C (SO14)
725
mW
Tstg
Storage Temperature Range
– 65 to 150
°C
TL
Lead Temperature (soldering 10s)
300
°C
THERMAL DATA
Symbol
Descri pti on
Min id ip
SO14
Uni t
Rth j-amb
Thermal Resistance Junction-ambient.
max.
100
165
°C
UC2842/3/4/5-UC3842/3/4/5
2/11


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