NCV7361A(2004) 查看數據表（PDF） - ON Semiconductor
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NCV7361A Datasheet PDF : 28 Pages
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NCV7361A
The 4 mA pulldown current source is used if the input
voltage VIN > high level voltage VENH. If the input voltage
drops below the low level of EN VENL, the second current
source is used. The resulting pulldown current in this case
is 100 mA.
VSUP
The wide input voltage range allows different EN control
possibilities. If the EN input is connected to an CMOS
output of the MCU, a falling edge switches the NCV7361A
into sleep mode (the regulator is also switched off). The
wake−up is only possible via the bus line.
1000
EN
4 mA
Voltage
Limiter
96 mA
100
Enable
10
RIN_HL
RIN_LH
Figure 23. EN Input Circuitry
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VIN (V)
Figure 24. RIN Characteristics of EN Input
VBAT
LIN−BUS
+
CIN
NCV7361A
VSUP
VOUT
EN
RESET
GND
TxD
BUS
200p
RxD
+
Cload
Figure 25. EN Controlled via MCU
MCU
+5 V
VBAT
LIN−BUS
+
CIN
NCV7361A
VSUP
VOUT
EN
RESET
GND
TxD
BUS
200p
RxD
+
Cload
Figure 26. Permanent Normal Mode
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16
MCU
+5 V
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