Datasheet

7
LTC3401
3401fb
BLOCK DIAGRA
W
1
6
Σ
–
+
CURRENT
COMP
CURRENT
LIMIT
–
+
ERROR
AMP
FB
R1
R2
1.25V
V
C
1.6A TYP
1.25V – 9%
–
+
–
+
Burst Mode
CONTROL
+–
PWM
LOGIC
ANTICROSS
COND
ANTIRING
SLOPE COMP
OSC
SYNC
R
t
GND
N
PGOOD
SLEEP
–
+
8
V
OUT
V
OUT
2.6V TO 5V
7
4
9
MODE/SYNC
0 = FIXED FREQ
1 = BURST MODE
3401 BD
2
N
SW
10mV
1V TO
V
OUT
+ 0.3
+
V
IN
P
3
+
5
SHDN
SHUTDOWN
10
I
SENSE
AMP
I
ZERO
AMP
–
+