AMC3842B Datasheet, PDF (3/10 Pages) List of Unclassifed Manufacturers – CURRENT MODE PWM CONTROLLER

AMC DOC. #: AMC3842B_C (LF)
March 2004
AMC3842B/43B
CURRENT MODE PWM CONTROLLER
BLOCK DIAGRAM
Internal
Bias
U.V.L.O.
36V
V_REF
5V _EN
8 (14)
V_REF
7 (12) _VCC
5 (9) _GND
V_FB 2 (3)
COMP ^{1 (1)}
CURRENT
SENSE
R_T/C_T ^{4 (7)}
3 (5)
V_REF
Good Logic
Error Amp
2R
R
Oscillator
Current
Sense
1V
R
PWM
Latch
S
T
7 (11) PWR
V_C
OUTPUT
6 (10)
PWR
5 (8) ^GND
( ) are 14 Pin S.O.I.C. pin number
Note 2 :V_CC and PWR V_C are internally connected for 8 pin packages.
Note 3 :PWR GND and GND are internally connected for 8 pin packages.
Note 4 :U.V.L.O. is 16V for 3842B and 8.4V for 3843B.
Note 5 :Hysteresis is 6V for 3842B and 0.8V for 3843B.
Copyright © 2002, ADD Microtech Corp.
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