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参数资料
| 型号： | NCP1380BGEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/26页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL NCP1380B 19V QR CTLR |
| 设计资源： | NCP1380BGEVB Schematic NCP1380BGEVB Gerber Files NCP1380BGEVB BOM |
| 标准包装： | 1 |
| 系列： | * |
| 其它名称： | NCP1380BGEVBOS |
NCP1380
PIN FUNCTION DESCRIPTION
Pin N 5
1
Pin Name
ZCD
Function
Zero Crossing Detection
Pin Description
Connected to the auxiliary winding, this pin detects the core
reset event.
Adjust the over power protection
Also, injecting a negative voltage smaller than 0.3 V on this
pin will perform over power protection.
2
FB
Feedback pin
Hooking an optocoupler collector to this pin will allow
regulation.
3
4
5
6
7
CS
GND
DRV
V CC
Fault
Current sense
?
Driver output
Supplies the controller
Over voltage and Over temperature
protection (A and B versions)
Over?voltage and Brown?out
protection (C and D versions)
This pin monitors the primary peak.
The controller ground
The driver ’s output to an external MOSFET
This pin is connected to an external auxiliary voltage.
Pulling this pin down with an NTC or up with a zener diode
allows to latch the controller.
This pin observes the HV rail and protects the circuit in
case of low main conditions. It also offers a way to latch the
circuit in case of over voltage event.
8
C T
Timing capacitor
A capacitor connected to this pin acts as the timing
capacitor in foldback mode.
NCP1380 OPTIONS
Auto?Recovery
Overcurrent
Latched
Overcurrent
OTP
OVP
Brown?Out
Protection
Protection
NCP1380 / A
NCP1380 / B
Yes
Yes
Yes
Yes
Yes
Yes
NCP1380 / C
NCP1380 / D
Yes
Yes
Yes
Yes
Yes
Yes
http://onsemi.com
3
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