NCV78M00 Просмотр технического описания (PDF) - ON Semiconductor
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NCV78M00 Datasheet PDF : 14 Pages
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NCV890103GEVB
VIN
VIN
CIN
DRV
VOUT
RSTB
RSTB
GND
Enable
EN
3V
Reg
Oscillator
PWM
LOGIC
ON OFF
Reset
Delay
TSD
Voltages
Monitors
++
+
−
COMP
Clamp
+
Soft−Start
RESET
+
CDRV
DBST
SW
L1
CBST
DFW
BST
VOUT
COUT
DELAY
CDELAY
FB
COMP
RCOMP
CCOMP
Figure 2. NCV890103 Block Diagram
TYPICAL APPLICATION
VIN
CIN
RSTB
EN
CDRV
NCV890103
1 VIN
SW 10
2 DRV
BST 9
3 RSTB DELAY 8
4 GND
FB 7
DBST
CBST
DELAY
L1
DFW
RFB1
CDELAY
5 EN COMP 6
RCOMP
CCOMP
VOUT
COUT
RFB2
Figure 3. NCV890103 Typical Application
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