Datasheet

LT3799-1
8
37991f
BLOCK DIAGRAM
MASTER
LATCH
CURRENT
COMPARATOR
V
OUT
+
V
OUT
–
V
IN
INTV
CC
D1
R8
C7
L1A
FAULT
DETECTION
LOW OUTPUT
CURRENT
OSCILLATOR
R
Q
S
S
+
–
A1
+
–
A2
A4
+
–
GATE
V
IN
V
IN_SENSE
L1C
D2
DCM
600mV
MULTIPLIER
R4
R5
S&H
C4
C6
FB
SENSE
GND
37991 BD
DRIVER
+
–
A8
R6
R7
C5
R2
R1
CT
COMP
+
FAULT
COMP
–
CTRL1
CTRL2
V
REF
C1
+
–
A5
1M
+
+
SW1
T1
N:1
L1B
C3 C2
R3
R10
A6
A7
ONE
SHOT
A3
1.22V
6
5
7
8
1
2
CTRL3
3
4
17
15
14
13
1116109
M1
s