FSD200 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FSD200 Datasheet PDF : 18 Pages
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FSD210, FSD200
Internal Block Diagram
Vcc 5
UVLO
Voltage
Ref
5uA 250uA
Frequency
Modulation
Vfb 4
BURST
V BURST
OSC
Reset
V SD
OLP
TSD
Internal
Bias
8.7/6.7V
Vck
SQ
R
L
H
Vstr
8
DRIVER
7 Drain
SFET
SQ
R
A/R
LEB
Iover
Vth
Rsense
S/S
3mS
1, 2, 3
GND
Figure 3. Functional Block Diagram of FSD210
Vcc 5
HV/REG
Vstr
8
7V
UVLO
Voltage
Ref.
INTERNAL
BIAS
ON/OFF
7 Drain
5uA 250uA
Frequency
Modulation
OSC
Vfb 4
BURST
V BURST
Reset
V SD
OLP
TSD
Vck
SQ
R
DRIVER
SFET
SQ
R
A/R
LEB
Iover
Vth
Rsense
S/S
3mS
1, 2, 3
GND
Figure 4. Functional Block Diagram of FSD200 showing internal high voltage regulator
2
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