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參數資料
| 型號： | FAN7687 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | PC Power Supply Output Monitoring IC |
| 中文描述： | 電腦電源輸出監控集成電路 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 321K |
| 代理商： | FAN7687 |
2004 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.1.0
Features
PC Power Supply Outputs Supervisory Circuitry
Few External Components
Over Voltage Protection for 3.3V, 5V and 12V Outputs
Under Voltage Protection for 3.3V, 5V and 12V Outputs
Over Current Protection for 3.3V, 5V and 12V Outputs
Dual Over Current Portection for 12V Outputs
(FAN7687)
Fault Protection Output With Open Drain Output
Open Drain Power Good Output
300ms Power Good Delay
38ms PSON On/Off Delay
73us Debounce
2.3ms PSON to FPO Turn Off Delay
Latch Function Controlled by PSON
Typical Application
PC Switching Mode Power Supply
Description
The FAN7685/FAN7686/FAN7687 is a complete output
supervisory circuitry intended for use in the secondary side
of the switched mode power supply. It provides overvoltage
protection (OVP), undervoltage protection(UVP), overcur-
rent protection (OCP), and power good signal generator to
monitor and control the outputs of the switching power sup-
ply system. Remote on/off(PSON) control and some preci-
sion protection features are also implemented.
It directly senses all the output rails for OVP, UVP, and OCP
without external divider resistors. As for output control,
power good output(PGO) and fault protection output(FPO)
are included. The FAN7685/FAN7686/FAN7687 offers a
simple and cost effective solution with minimum number of
external components and greatly reduces PCB board space
for power supply.
FAN7685/FAN7686/FAN7687
PC Power Supply Output Monitoring IC
1
14SOP
1
14DIP
相關PDF資料 |
PDF描述 |
|---|---|
| FAN7687AM | PC Power Supply Output Monitoring IC |
| FAN7687AMX | PC Power Supply Output Monitoring IC |
| FAN7687AN | PC Power Supply Output Monitoring IC |
| FAN7687M | PC Power Supply Output Monitoring IC |
| FAN7687MX | PC Power Supply Output Monitoring IC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN7687AM | 功能描述:監控電路 SEC SUERVISORY I.C RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FAN7687AMX | 功能描述:監控電路 SEC SUERVISORY I.C RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FAN7687AN | 功能描述:監控電路 SEC SUERVISORY I.C RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FAN7687M | 功能描述:監控電路 SEC SUERVISORY I.C RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| FAN7687MX | 功能描述:監控電路 POWER_CONVERSION RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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