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参数资料
| 型号： | NCP1337ADAPGEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/15页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP1337ADAPG |
| 设计资源： | NCP1337 Adapter EVB BOM NCP1337ADAPGEVB Gerber Files NCP1337 Adapter EVB Schematic |
| 标准包装： | 1 |
| 系列： | Greenpoint™ |
| 主要目的： | AC/DC，主面 |
| 输出及类型： | 1，隔离 |
| 功率 - 输出： | 60W |
| 输出电压： | 12V |
| 电流 - 输出： | 5A |
| 输入电压： | 90 ~ 265VAC |
| 稳压器拓扑结构： | 回扫 |
| 频率 - 开关： | 130kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP1337 |
| 其它名称： | NCP1337ADAPGEVBOS |
NCP1337
PIN FUNCTION DESCRIPTION
Pin No.
Symbol
Function
Description
1
2
3
4
5
6
8
BO
FB
CS
GND
DRV
VCC
HV
Brown ? out and external
triggering
Sets the peak current
setpoint
Current sense input and
overpower compensation
adjustment
IC ground
Output driver
IC supply
High ? voltage pin
?
?
?
?
?
?
?
?
?
?
?
By connecting this pin to the input voltage through a resistor divider, the
controller ensures operation at a safe mains level, thanks to a 500 mV
brown ? out comparator.
If an external event brings this pin above 3.0 V, the controller’s output is
disabled.
If an external event brings this pin above 5.0 V, the controller is
permanently latched ? off.
By connecting an optocoupler or an auxiliary winding to this pin, the peak
current setpoint is adjusted accordingly to the output power demand.
When the requested peak current setpoint is below the internal standby
level, the device enters Soft ? Skip mode.
This pin senses the primary current and routes it to the internal comparator
via an L.E.B.
Inserting a resistor in series with the pin allows to control the overpower
compensation level.
To be connected to an external MOSFET.
Connected to a tank capacitor (and possibly an auxiliary winding).
When V CC reaches 18.6 V, an internal OVP stops the output pulses.
Connected to the high ? voltage rail, this pin injects a constant current into
the V CC bulk capacitor and ensures a clean lossless startup sequence.
V OUT
+
C bulk
BO
1
2
NCP1337
8
V CC
+
+
3
4
6
5
Rcomp
Figure 1. Typical Application Schematic
http://onsemi.com
2
V CC
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| NCP1337DR2G | 功能描述:电流型 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1337PG | 功能描述:电流型 PWM 控制器 PWM CONTROLLER RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
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| NCP1338DR2G | 功能描述:电流型 PWM 控制器 PWM CNTRL SOIC 8 RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| NCP1338PG | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:PWM Current-Mode Controller for Free Running Quasi-Resonant Operation |
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