LT3755/LT3755-1/LT3755-2
框图
1.22V
2.1A
SHDN
1.3V
1.25V
1.25V
短路
检测
+
g
m
–
SCILMB
A5
AT 10μA
FB = 1.25V
SCILMB
+
–
ISN
ISP
CTRL
150mV
+
A10
–
5k
10A
1.1V
+
+
A3
–
CTRL
卜FF器
Q2
+
A1
–
g
m
EAMP
AT 10μA
A1
+
= A1
–
+
A2
–
R
S
PWM
比较
VC
SSclamp
坡道
发电机
100kHz至1MHz
振荡器
50k
故障
逻辑
T
LIM
165°C
10A
V
REF
1.25V
1.2V
频率
PROG
FB
2V
A7
170k
SS
RT
SYNC选项
LT3755-1
37551 BD
+
–
140A
+
+
–
+
–
OVFB
比较
+
–
+
–
SHDN / UVLO
A6
FB
VC
PWMOUT
PWM
LDO
V
IN
A8
7.15V
INTV
CC
Q
门
司机
I
SENSE
+
A4
–
SENSE
GND
OPENLED
选项
为
LT3755
和
LT3755-2
+
–
37551fd
