amc3842b ADDtek Corp, amc3842b Datasheet - Page 3

• Manufacturer Part Number: amc3842b
• Description: Current Mode Controller
• Manufacturer: ADDtek Corp

Copyright © 2006 ADDtek Corp.
Note 2: V
Note 3: PWR GND and GND are internally connected for 8 pin packages.
Note 4: U.V.L.O. is 16V for 3842B/44B and 8.4V for 3843B/45B.
Note 5: Hysteresis is 6V for 3842B/44B and 0.8V for 3843B/45B.
Note 6: Toggle flip flop used only in 3844B/45B
COMP
CURRENT
SENSE
R
V
V
T
REF
FB
/C
T
8 (14)
1 (1)
4 (7)
2 (3)
( ) are 14 Pin S.O.I.C. pin number
CC
and PWR V
3 (5)
Internal
Bias
C
are internally connected for 8 pin packages.
Error Amp
5V
V
Oscillator
REF
EN
V
Good Logic
REF
BLOCK DIAGRAM
U.V.L.O.
2R
R
3
1
V
Current
Sense
AMC3842B/43B/44B/45B
36V
R
S
T
PWM
Latch
DD019_F -- OCTOBER 2006
7 (12)
7 (11)
5 (9)
5 (8)
6 (10)
OUTPUT
GND
PWR
GND
PWR
V
V
C
CC