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参数资料
| 型号： | SG6105ADY |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 1/17页 |
| 文件大小： | 0K |
| 描述： | IC POWER SUPPLY SUPERVISOR 20DIP |
| 标准包装： | 22 |
| 应用： | 电源，监控器 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 5mA |
| 工作温度： | -25°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-DIP |
| 包装： | 管件 |
July 2009
SG6105A
Power Supply Supervisor + Regulator + PWM
Features
PC Half-Bridge (or 494) Power Supply Supervisor +
two 431 + PWM
High Integration with Few External Components
Over-Voltage Protection for 3.3V, 5V, and 12V
Under-Voltage Protection for 3.3V, 5V, and 12V
Under-Voltage Protection for -12V and/or -5V
Over-Power and Short-Circuit Protection
Power-Down Warning Circuitry
Power-Good Circuitry
Delay Time for PSON and PG Signal
Remote ON/OFF Function
On-Chip Oscillator and Error Amplifier
Two Shunt Regulators for 3.3V and 5V-Standby
Latching PWM for Cycle-by-Cycle Switching
Push-Pull PWM Operation and Totem Pole Outputs
Soft-Start and Maximum 93% Duty Cycle
Applications
Switching mode power supply for computers:
AT
NLX
SFX (micro-ATX)
Ordering Information
Description
SG6105A controller is designed for switching-mode
power supplies for desktop PCs. It provides all the
functions necessary to monitor and control the output of
the power supply. Remote ON/OFF control, power-good
circuitry, and protection features against over-voltage
and over-power are implemented. It directly senses all
the output rails for OVP without the need for external
dividers. An innovative AC-signal sampling circuitry
provides a sufficient power-down warning signal for PG.
A built-in timer generates accurate timing for the control
circuit, including the PS-off delay. The cycle-by-cycle
PWM switching prevents the power transformer from
saturation and ensures the fastest response for the
short-circuit protection, which greatly reduces stress for
power transistors. Two internal precision TL431 shunt
regulators provide stable reference voltage and a driver
for 3.3V and 5V standby regulation.
Utilizing minimum external components, the SG6105A
includes the functions for push-pull and/or half-bridge
topology, decreasing production cost and PCB space,
and increasing the MTBF for power supply.
Part
Number
SG6105ADZ
SG6105ADY
Operating
Temperature
Range
-40 to +105°C
-40 to +105°C
Eco Status
RoHS
Green
Package
20-pin Dual In-Line Package (DIP)
20-pin Dual In-Line Package (DIP)
Packing Method
Tube
Tube
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html .
? 2008 Fairchild Semiconductor Corporation
SG6105A ? Rev. 1.0.2
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SG6105ADZ | 功能描述:监控电路 Power Supply Sprvsr + Regulator + PWM 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 |
| SG6105ADZ_F116 | 功能描述:监控电路 Power Supply Sprvsr Regulator + PWM 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 |
| SG6105D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Power Supply Supervisor + Regulator + PWM |
| SG6105D1 | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SG6105DZ | 制造商:FAIRCHILD 功能描述:Power Supply Supervisor + Regulator + PWM(20-DIP) D version |
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