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參數資料
| 型號： | SG6108 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Power Supply Supervisor + PWM |
| 中文描述： | 電源監控器的PWM |
| 文件頁數： | 1/16頁 |
| 文件大小： | 656K |
| 代理商： | SG6108 |
Product Specification
Power Supply Supervisor + PWM
FEATURES
PC half-bridge (or 494) power supply supervisor +
PWM
Highly Integrated and Few external components
required
Over voltage protection 3.3V/5V/12V (two 12V)
Under voltage protection 3.3V/5V/12V (two 12V)
Under voltage protection for –12V and/or –5V
Over current protection 3.3V/5V/12V (two 12V)
Over power protection
Short circuit protection
Power-down warning circuitry
Power good circuitry
Delay time for PSON and PG signals
Remote ON/OFF function
On-Chip oscillator and Error amplifier
Latching PWM for cycle-by-cycle switching
Soft-start
Maximum 48% duty cycle
APPLICATIONS
SG6108
System General Corp.
Version 1.0.1 (IAO33.0048.B0)
- 1 -
www.sg.com.tw www.fairchildsemi.com
September 26, 2007
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3.3V
Vdd
12V
Main Transformer
5Vsb
Pok
Pson
5V
-5V
-12V
5V
12V
12V
-12V
UVAC
IS12
IS5
IS33
Vcc
PG
Pson
OP1
V33
V5
V12
VS12B
NVP
RI
GND
IN
COMP
SS
OP2
OPP
SG6108
Switching mode power supplies for computers such
as ATX, NLX, and SFX (micro-ATX).
DESCRIPTION
The SG6108 controller is designed for desktop PC
switching mode power supplies. It provides everything
necessary to monitor and control the output of the power
supply. Remote ON/OFF control, power good circuitry,
over-voltage protection, over-power protection, and
over-current protection are all included. The SG6108
directly senses all the output rails for over voltage
conditions without requiring external dividers. An
innovative AC-signal sampling circuit provides an
adequate power-down warning signal for PG. A built-in
timer generates accurate timing for the control circuit.
Cycle-by-cycle PWM switching protects the power
transformer from saturation and ensures a rapid response
for short-circuit protection. This greatly reduces the stress
on the power transistors. The SG6108 utilizes a minimum
number of external components while including all the
functions needed for push-pull and/or half-bridge
topologies. This decreases production costs and PCB
space while increasing the power supply’s MTBF.
TYPICAL APPLICATION
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| SG6516 | PC Power Supply Supervisors |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SG6108DZ | 功能描述:監控電路 PC Power Supply Supervisors 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 |
| SG615 | 制造商:ECM 制造商全稱:ECM Electronics Limited. 功能描述:SURFACE MOUNT OSCILLATOR |
| SG-615 | 制造商:EPSON 制造商全稱:EPSON 功能描述:SOJ HIGH-FREQUENCY CRYSTAL OSCILLATOR |
| SG-615-24.0MC2 | 功能描述:OSCILLATOR 24.000MHZ SMD RoHS:否 類別:晶體和振蕩器 >> 振蕩器 系列:SG615 標準包裝:1 系列:VG-4512CA 類型:VCXO 頻率:153.6MHz 功能:三態（輸出啟用） 輸出:LVPECL 電源電壓:3.3V 頻率穩定性:- 工作溫度:-40°C ~ 85°C 電流 - 電源（最大）:60mA 額定值:- 安裝類型:表面貼裝 尺寸/尺寸:0.276" L x 0.197" W（7.00mm x 5.00mm） 高度:0.071"（1.80mm） 封裝/外殼:6-SMD，無引線（DFN，LCC） 包裝:Digi-Reel® 電流 - 電源（禁用）（最大）:- 其它名稱:SER3790DKR |
| SG615-4.9152MC2 | 制造商:Epson Electronics America Inc 功能描述: |
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