Datasheet
7
LT3433
3433f
BLOCK DIAGRA
W
15
SWITCH
CONTROL
LOGIC
BURST
CONTROL
CIRCUITS
BIAS
SLOPE
COMP
FREQUENCY
CONTROL
SW_L
2
V
BST
4
V
IN
5
BURST_EN
12
V
BIAS
3
SW_H
7
V
FB
GND
V
C
OSCILLATOR 200kHz
BOOSTED
DRIVER
COMPARATOR
DRIVER
1.231V
SHUTDOWN
5µA
0.7V
3433 BD
15%
LOAD
ERROR
AMPLIFIER
30%
LOAD
Burst Mode
CONTROL
6
SHDN
SGND
11
V
OUT
V
OUT
13
1, 8, 9,16,17
SS
–
+
MODE
CONTROL
SENSE
AMPLIFIER
1.25V
+
10
14