- 您现在的位置：买卖IC网 > PDF目录15224 > FAN6791MY (Fairchild Semiconductor)IC REG CTRLR FLYBK ISO CM 16SOIC PDF资料下载
参数资料
| 型号： | FAN6791MY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO CM 16SOIC |
| 标准包装： | 2,500 |
| PWM 型： | 电流模式 |
| 输出数： | 2 |
| 频率 - 最大： | 130kHz |
| 占空比： | 49% |
| 电源电压： | 10 V ~ 22 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
Pin Definitions
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Name
HV
NC
GND
RI
FBFYB
IFYB
FBPWM
IPWM
VREF
SS
ON/OFF
PGND
OPWM
VDD
OFYB
VRMS
Description
For startup, this pin is pulled HIGH to the line input or bulk capacitor via resistors.
No connection.
Ground .
Oscillator Setting . One resistor connected between RI and ground pins determines the switching
frequency (resistance between 12 ~ 47k ? is recommended). The switching frequency is equal to
[1560 / RI]kHz, where RI is in k Ω . For example, if RI is equal to 24k Ω , then the switching frequency
is 65kHz.
Voltage Feedback for Flyback PWM Stage . It is internally pulled HIGH through a 6.5k Ω resistor.
An external opto-coupler from secondary feedback circuit is usually connected to this pin.
PWM Current Sense for Flyback PWM Stage . The sensed voltage is used for peak-current-
mode control and cycle-by-cycle current limiting.
Voltage Feedback for Forward PWM Stage . It is internally pulled HIGH through a 6.5k Ω resistor.
An external opto-coupler from secondary feedback circuit is usually connected to this pin.
PWM Current Sense for Forward PWM Stage . Via a current sense resistor, this pin provides the
control input for peak-current-mode control and cycle-by-cycle current limiting.
Reference Voltage . This pin can provide a reference voltage 5V.
PWM Soft-Start . During startup, the SS pin charges an external capacitor with a 20μA constant
current source. The voltage on FBPWM is clamped by SS during startup. In the event of a
protection condition occurring and/or forward PWM being disabled, the SS pin quickly discharges.
PWM Remote ON/OFF . Active HIGH. The forward PWM is disabled whenever the voltage at this
pin is lower than 0.8V or the pin is open.
Ground . The power ground.
Forward PWM Gate Drive . The totem-pole output drive for the forward PWM MOSFET. This pin is
internally clamped under 16V to protect the MOSFET.
Power Supply . The internal protection circuit disables PWM output as long as V DD exceeds the
OVP trigger point.
Flyback PWM Gate Drive . The totem-pole output drive for the forward PWM MOSFET. This pin is
internally clamped under 16V to protect the MOSFET.
Line-Voltage Detection . The pin is used for line compensation, for forward, and brownout
protection.
? 2008 Fairchild Semiconductor Corporation
FAN6791 / FAN6793 ? Rev. 1.0.3
6
www.fairchildsemi.com
相关PDF资料 |
PDF描述 |
|---|---|
| EBA30DTMH | CONN EDGECARD 60POS R/A .125 SLD |
| EBA30DTMD | CONN EDGECARD 60POS R/A .125 SLD |
| VI-272-EY-F2 | CONVERTER MOD DC/DC 15V 50W |
| SG6841SZ3 | IC REG CTRLR FLYBACK PWM 8-SOIC |
| NCP3020ADR2G | IC REG CTRLR BUCK PWM VM 8-SOIC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN6791NY | 功能描述:电流型 PWM 控制器 Highly Integratd Grn 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 |
| FAN6793 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated,Dual-PWM Combination Controller |
| FAN6793MY | 功能描述:监控电路 Highly Intgrtd Dual PWM Combo Controller RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| FAN6793NY | 功能描述:监控电路 Highly Intgrtd Dual PWM Combo Controller RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| FAN6861 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low-Cost, Highly Integrated, Green-Mode PWM Controller for Peak Power Management |
发布紧急采购，3分钟左右您将得到回复。