- 您现在的位置：买卖IC网 > PDF目录1790 > FAN6208MY (Fairchild Semiconductor)IC CTLR SR SYNC RECT LLC 8-SOIC PDF资料下载
参数资料
| 型号： | FAN6208MY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 11/18页 |
| 文件大小： | 0K |
| 描述： | IC CTLR SR SYNC RECT LLC 8-SOIC |
| 标准包装： | 2,500 |
| 输出隔离： | 隔离 |
| 输入电压： | 9.3 V ~ 28 V |
| 输出电压： | 12V |
| 功率（瓦特）： | 1W |
| 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-SOP |
| 包装： | 带卷 (TR) |
Green Mode
Switching frequency increases in LLC topology at light-
load condition, which increases the power consumption
for the SR gate drive. Green mode reduces power loss
at light load. FAN6208 has two ways to enable green
mode. Green mode is triggered when DETL voltage is
pulled LOW for less than 3.75 μs (LF mode) or 1.90 μs
(HF mode) for seven switching cycles. FAN6208
resumes normal SR gate driving when DETL voltage is
pulled LOW for longer than 3.75 μs (LF mode) or
1.90 μs (HF mode) for seven switching cycles.
When DETL voltage is pulled HIGH for longer than
24 μs. This occurs when the LLC resonant converter
operates in burst mode (skipping mode).
Short-Circuit Protection
As depicted in Figure 13, FAN6208 monitors the current
through the opto-coupler diode by measuring the voltage
across the resistor in series with the opto-coupler diode.
When the output of the power supply is short circuited,
the output voltage drops and the cathode of the shunt
regulator (KA431) is saturated to HIGH. No current flows
through the opto coupler diode. The output short
protection is triggered when the voltage between V DD and
V DD Pin Over-Voltage Protection
Over-voltage conditions are usually caused by an open
feedback loop. V DD over-voltage protection prevents
damage of SR MOSFET. When the voltage on the V DD
pin exceeds 27 V, FAN6208 disables gate output.
Internal Over-Temperature Protection
Internal over-temperature protection prevents the SR
gate from fault triggering in high temperatures. If the
temperature is over 140°C, the SR gate is disabled until
the temperature drops below 120°C.
V DD
0.3V
0.3V
FD
t DB-SCP
t DB-SCP
GATE1
DETL1
GATE2
DETL2
Figure 19. Output Short Protection by Feedback
Detection
? 2010 Fairchild Semiconductor Corporation
FAN6208 ? Rev. 1.0.4
11
www.fairchildsemi.com
相关PDF资料 |
PDF描述 |
|---|---|
| FAN6210MY | IC CTLR RECT SYNC TRIGGER 8-SOIC |
| FAN6300ANY | IC REG CTRLR FLYBK ISO PWM 8-DIP |
| FAN6747WLMY | IC PWM CTLR GREEN MODE 8-SOIC |
| FAN6751MRMY | IC CTLR PWM GREEN MODE 8-SOP |
| FAN6753NY | IC CTLR PWM GREEN MODE 8-DIP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN6208MY_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Secondary-Side Synchronous Rectifier Controller for LLC Topology |
| FAN-6-20K | 制造商:MERRIMAC 制造商全称:MERRIMAC 功能描述:FIXED COAXIAL ATTENUATORS |
| FAN6210 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Primary-Side Synchronous Rectifier (SR) Trigger Controller for Dual Forward Converter |
| FAN6210_10 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Primary-Side Synchronous Rectifier (SR) Trigger Controller |
| FAN6210MY | 功能描述:初级与次级侧 PWM 控制器 Primary-Side Sync. Rect. Signal Trigger 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 |
发布紧急采购，3分钟左右您将得到回复。