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| 型号： | FAN6863WLTY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC PWM CTLR GREEN MODE 6-SSOT |
| 标准包装： | 1 |
| 输出隔离： | 隔离 |
| 频率范围： | 60kHz ~ 68kHz |
| 输入电压： | 7.5 V ~ 20 V |
| 输出电压： | 13.5V |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | 6-SSOT |
| 包装： | 标准包装 |
| 其它名称： | FAN6863WLTYDKR |
September 2012
FAN6863W
Highly Integrated Green-Mode PWM Controller
Features
Description
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Low Standby Power: Under 0.1 W
Low Startup Current: 8 μA
Low Operating Current in Green Mode: 600 μA
Peak-Current Mode Operation with Cycle-by-Cycle
Current Limiting
PWM Frequency Continuously Decreasing with
Burst Mode at Light Loads
V DD Over-Voltage Protection (OVP)
Constant Output Power Limit (Full AC Input Range)
Internal Latch Circuit (FAN6863WL) for OVP, OTP
SENSE Pin Short-Circuit Protection (SSCP)
Fixed PWM Frequency (65 KHz) with Frequency
Hopping
Feedback Open-Loop Protection: 60ms Delay
GATE Output Maximum Voltage Clamp: 13.5 V
Soft-Start Time: 5 ms
Soft Driving for EMI Improvement
Full-Range Frequency Hopping
Internal OTP Sensor with Hysteresis
Gate Driving Capability: 400 mA
A highly integrated PWM controller, FAN6863W
provides several features to enhance the performance
of flyback converters. To minimize standby power
consumption, a proprietary Green Mode provides off-
time modulation to continuously decrease the switching
frequency under light-load conditions. Under zero-load
conditions, the power supply enters Burst Mode, which
completely shuts off PWM output. Output restarts just
before the supply voltage drops below the UVLO lower
limit. Green Mode enables power supplies to meet
international power conservation requirements.
The FAN6863W is designed for SMPS and integrates a
frequency-hopping function that helps reduce the EMI
emission of a power supply with minimum line filters.
The built-in synchronized slope compensation provides
proprietary sawtooth compensation for constant output
power limit over the universal AC input range. The gate
output is clamped at 13.5 V to protect the external
MOSFET from over-voltage damage.
Other protection functions include SENSE-pin Short-
Circuit Protection (SSCP), V DD Over-Voltage Protection
(OVP), and Over-Temperature Protection (OTP). For
OTP, an external NTC thermistor can be applied to
sense the ambient temperature. When V DD OVP or OTP
is activated, an internal latch circuit latches off the
controller. Protection types are shown in Table 1.
Table 1. Protection Type
Applications
Part Number
OVP OLP OTP / OTP2 SSCP
General-purpose Switched-Mode Power Supplies
(SMPS) and flyback power converters, including:
FAN6863WR
FAN6863WL
A/R A/R
Latch Latch
A/R
Latch
A/R
A/R
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Power Adapters
Open-Frame SMPS
SMPS with Surge-Current Output, such as for
Printers, Scanners, Motor Drivers
Ordering Information
Part Number
FAN6863WRTY
FAN6863WLTY
Operating
Temperature Range
-40 to +105°C
Package
6-Lead, SOT23, JEDEC MO-178 Variation AB,1.6 mm Wide
Packing
Method
Tape &
Reel
? 2011 Fairchild Semiconductor Corporation
FAN6863W ? Rev. 1.0.2
www.fairchildsemi.com
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| FAN6863WRTY | 功能描述:初级与次级侧 PWM 控制器 Hi-Integrated Green Mode PWM Controller RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
| FAN6863WTY | 功能描述:初级与次级侧 PWM 控制器 Hi-Integrated Green Mode PWM Controller RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
| FAN6920 | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN6920MR | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Integrated Critical-Mode PFC and Quasi-Resonant Current-Mode PWM Controller |
| FAN6920MRMY | 功能描述:电流型 PWM 控制器 Crtcl Mode PFC &QRes Crnt Mode PWM Cntrlr 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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