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| 型号： | FAN6751MRMY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC CTLR PWM GREEN MODE 8-SOP |
| 标准包装： | 1 |
| 输出隔离： | 隔离 |
| 频率范围： | 62kHz ~ 68kHz |
| 输入电压： | 11.5 V ~ 22 V |
| 输出电压： | 18V |
| 功率（瓦特）： | 400mW |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 剪切带 (CT) |
| 产品目录页面： | 1221 (CN2011-ZH PDF) |
| 其它名称： | FAN6751MRMYCT |
September 2008
FAN6751MR
Highly-Integrated Green-Mode PWM Controller
Features
High-Voltage Startup
Low Operating Current: 4mA
Linearly Decreasing PWM Frequency to 18KHz
Fixed PWM Frequency: 65KHz
Peak-current-mode Control
Cycle-by-cycle Current Limiting
Leading-edge Blanking (LEB)
Synchronized Slope Compensation
Internal Open-loop Protection
GATE Output Maximum Voltage Clamp: 18V
V DD Under-Voltage Lockout (UVLO)
V DD Over-Voltage Protection (OVP)
Internal Recovery Circuit (OVP, OLP)
Internal Sense Short-Circuit Protection
External Constant Power Limit (Full AC Input
Range)
Internal OTP Sensor with Hysteresis
Built-in 5ms Soft-Start Function
Built-in V IN Pin Pull HIGH (> 4.7V) Recovery
Function for Second-Side Output OVP
Brownout Protection with Hysteresis
Applications
General-purpose switch-mode power supplies and
flyback power converters, including:
Power Adapters
Open-frame SMPS
Ordering Information
Operating
Description
The highly integrated FAN6751 series of PWM
controllers provides several features to enhance the
performance of flyback converters.
To minimize standby power consumption, a proprietary
green-mode function provides off-time modulation to
linearly decrease the switching frequency at light-load
conditions. To avoid acoustic-noise problems, the
minimum PWM frequency is set above 18KHz. This
green-mode function enables the power supply to meet
international power conservation requirements. With the
internal high-voltage startup circuitry, the power loss
due to bleeding resistors is also eliminated. To further
reduce power consumption, FAN6751 is manufactured
using the BiCMOS process, which allows an operating
current of only 4mA.
Built-in synchronized slope compensation achieves
stable peak-current-mode control. The proprietary,
external line compensation ensures constant output
power limit over a wide AC input voltage range, from
90V AC to 264V AC .
FAN6751 provides many protection functions. In
addition to cycle-by-cycle current limiting, the internal
open-loop protection circuit ensures safety should an
open-loop or output short-circuit failure occur. PWM
output is disabled until V DD drops below the UVLO lower
limit, when the controller starts up again. As long as V DD
exceeds ~26V, the internal OVP circuit is triggered.
FAN6751 is available in an 8-pin SOP package.
Part Number
Temperature
Eco Status
Package
Packing Method
Range
FAN6751MRMY
-40 ° C to +105 ° C
Green
8-Lead, Small Outline
Package (SOP-8)
Tape & Reel
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 2008 Fairchild Semiconductor Corporation
FAN6751MR ? Rev. 1.0.0
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN6752MY | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN6753 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| FAN6753_11 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| FAN6753MY | 功能描述:电流型 PWM 控制器 Highly Int. Green Mode 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 |
| FAN6753NY | 功能描述:电流型 PWM 控制器 Highly-Integrated Green-Mode PWM Cont. 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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