6-32
VPL-CS5A/CS6/CX6/EX1
6-32
GB
GB
GB LT1765EFE (IC3201)
2
BOOST
4
V IN
SW
GND
VC
FB
SHDN
13
12
11
DRIVER
FF
R
S
∑
0.35V
0.005
Ω
1.2V
INTERNAL
VCC
INTERNAL VCC
1.33V
SLOPE
COMP
1.25MHz
OSC
SYNC
14
2.5V BIAS
REG
3
µ
A
7
µ
A
CURRENT
COMP
POWER
SWITCH
SHUTDOWN
COMP
ERROR
AMP
CURRENT SENS
AMP
3
6
5
9
8
1
ITH/RUN
2
GND
3
VFB
VIN
SENS-
5
4
SWITCHING
LOGIC AND
BLANKING
CIRCUIT
UNDERVOLTAGE
LOCKOUT
VOLTAGE
REF
Q
RS1
0.3V
VIN
VIN
S
R
0.15V
0.35V
0.5
µ
A
0.3V
VREF
+60mV
VREF
0.8V
VREF
0.8V
VIN
VIN
SLOPE
COMP
OSC
FREQ
FOLDBACK
PGA
TE
6
ICMP
SHORT-CIRCUIT DET
OVP
EAMP
1.2V
BURST
COMP
SLEEP
SHUTDOWN
COMP
REMOTE
VREF
SS
OSC
F/B
TIMER
TSD
OCP
REG
OVLD
VSENSE
COUNTER
LATCH
OVP
CONTROL
LOGIC
LEVEL
SHIFT
1
VSENSE
5
GND
7
4 3 2
6
SS
RT
CT
F/B
TIMER
9
11
12
10
15
16
14
8
18
OCP
PGND
VG (L)
VC2
VS
VG (H)
VB
VC1
VD
8
7
6
5
1
2
3
4
REF
A
NC
A
K
A
A
NC
GB TL431BCDR2 (IC3102)
GB MCZ3001D (IC3100)
GB LTC1772CS6 (IC3202)