Datasheet

6
LTC3701
3701fa
FU CTIO AL DIAGRA
U
U
W
14
13
PGATE1
PGND
0.880V
0.3V
R1
V
FB1
I
TH
/RUN1
V
IN
V
IN
I
TH
CLAMP
SHDN1
OV1
PGOOD1
DUPLICATE FOR SECOND CHANNEL
V
REF
0.8V
0.35V
0.74V
3701 BD
PV
IN1
OV1
SLEEP1
SC1
0.5µA
–
+
–
+
–
+
–
+
–
+
3
2
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
EAMP
–
+
–
+
–
+
0.15V
CLK1
BURSTDIS
0.3V
Q
CLK1
SLOPE1
SENSE1
–
M1
D1
L1
R
SENSE1
S
R
SENSE1
+
V
IN
C
IN
V
IN
15
I
CMP
VOLTAGE
CONTROLLED
OSCILLATOR
UNDERVOLTAGE
LOCKOUT
VOLTAGE
REFERENCE
CLK1
SLOPE1
BURSTDIS
SLOPE2
PGOOD1
PGOOD2
SHDN2
SHDN1
CLK2
SOFT-START
SLOPE
COMP
PHASE
DETECTOR
10
7
EXTCLK/MODE
PLLLPF
10k
V
IN
PGOOD
100Ω
UV
SHDN2
SHDN1
UVSD
V
REF
0.8V
11
SGND
4
CLOCK DETECT
BURST DEFEAT
OVP
SCP
R
C
R2
C
OUT
V
OUT
C
C
116
R
C
C
C