LTC3704 查看數據表（PDF） - Linear Technology
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LTC3704 Datasheet PDF : 28 Pages
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BLOCK DIAGRA
LTC3704
FREQ
4
MODE/SYNC
5
NFB 200k
3
0.62V
V-TO-I
200k
–
BUFFER
+
1.230V
ITH
2
INTVCC
8
– EA
gm
+
5.2V
LDO
2.00V
– UV
+
SLOPE
COMPENSATION
OSC
IOSC
50k
0.30V
+
–
BURST
COMPARATOR
BIAS AND
START-UP
CONTROL
S
Q
R
PWM LATCH
C2
100mV
HYSTERESIS
(1.348V RISING)
RUN
1
1.248V
VIN
9
LOGIC
INTVCC
GATE
7
GND
SENSE
10
C1
CURRENT
COMPARATOR
1.230V
V-TO-I
SLOPE
TO
START-UP
BIAS
CONTROL
ILOOP
1.230V
VREF
RLOOP
GND
6
3704 BD
VIN
3704fb
7
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