GM3842A データシートの表示（PDF） - Gamma Microelectronics Inc.
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GM3842A Datasheet PDF : 8 Pages
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GM3842A, GM3843A
GM3844A, GM3845A
CURRENT MODE PWM CONTROLLER
Absolute Maximum Ratings
PARAMETER
Symbol
Supply Voltage (low impedance source)
VCC
Output Current, Source or Sink *
Input Voltage (analog inputs pins 2, and 3)
Maximum Power Dissipation (TA= 25°C)
Error Amp Output Sink Current
Operating Ambient Temperature Range
Storage Temperature
IO
VI
PD
ISINK(E.A.)
TA
Lead Temperature (soldering 10 sec.)
* Maximum Package Power Dissipation Limits must be observed.
Block Diagram
RATINGS
30
±1
- 0.3 to + 5.5
1.0
10
- 40 to 125-
- 65 to 150
260
Internal
Bias
U.V.L.O.
36V
VREF
8
5V EN
VREF
UNITS
V
A
V
W
mA
℃
℃
℃
7 VCC
5
GND
VFB 2
COMP 1
CURRENT 3
SENSE
RT/CT 4
VREF
Good Logic
Error Amp
2R
R
Oscillator
Current
Sense
1V
R
PWM
Latch
S
T
7 VCC
6 OUTPUT
5
GND
3
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