参数资料
型号: SG5701DZ_SB82166
厂商: Fairchild Semiconductor
文件页数: 5/13页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO PWM 8-DIP
产品变化通告: Product Discontinuation 27/Feb/2012
标准包装: 59
PWM 型: 电流模式
输出数: 1
频率 - 最大: 75kHz
占空比: 80%
电源电压: 11.7 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -30°C ~ 105°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
Product Specification
Low Cost Green-Mode PWM Controller for Flyback Converters
Current Sense Section
SG5701
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Z CS
Input Impedance
10
k ?
T PD
V TH,FLT
Delay to Output
Current Limit Flatten Threshold Voltage
60
1.0
100
nsec
V
V TH,VALLEY
Current Limit Valley Threshold Voltage
0.80
0.85
0.90
V
Oscillator Section
Symbol
F OSC
F OSC-GREEN
Parameter
Frequency
Green-Mode Frequency
Test Condition
R I =95k ?
R I =95k ?
Min.
65
Typ.
70
13
Max.
75
15
Unit
kHz
kHz
I G
I N
Green-Mode FB Input Current
Green-Mode Start Threshold FB Input Current
I n = 0.3mA for a Maximum Duty Cycle
1.05
0.85
mA
mA
S G
Green-Mode Modulation Slope
R I =95k ?
300
Hz/uA
F DY
F DT
Frequency Variation versus V DD Deviation
Frequency Variation versus Temp. Deviation
V DD =12 to 20V
T A =-30 to 105 ℃
0.02
2
2
%
%
PWM Section
Symbol
DC (MAX)
DC (MIN)
Parameter
Maximum Duty Cycle
Minimum Duty Cycle
Test Condition
Min.
70
-
Typ.
75
1
Max.
80
2
Unit
%
%
B NK
Leading-Edge Blanking Time
200
nsec
Output Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V OL
V OH
Output Voltage Low
Output Voltage High
V DD =15V, I o =20mA
V DD =15V, I o =20mA
8
1.5
V
V
T R
T F
Rising Time
Falling Time
V DD =15V, C L =1nF
V DD =15V, C L =1nF
250
60
350
150
nsec
nsec
V CLAMP
Output Clamp Voltage
V DD =20V
16
17
18
V
? System General Corp.
Version 1.0(IAO33.0025.B1)
-5-
www.sg.com.tw
Mar. 28, 2006
相关PDF资料
PDF描述
SG5841SY IC CTLR PWM HI INTEGRATED 8-SOIC
SG5842JASY IC REG CTRLR FLYBK ISO PWM 8SOIC
SG6105ADY IC POWER SUPPLY SUPERVISOR 20DIP
SG6516DZ_SB82275 IC SUPERVISOR PC PWR SUPP 16-DIP
SG6520ADZ IC SUPERVISOR PC PWR SUPP 16-DIP
相关代理商/技术参数
参数描述
SG5701TZ 功能描述:电流型 PWM 控制器 GREEN-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
SG572124AG8P6IR1 制造商:SMART Modular Technology Inc 功能描述:DIMM, DRAM DDR2-800, 4GB 240 PIN ECC LW PROFILE - Trays
SG572124FG8E6IL 制造商:SMART Modular Technology Inc 功能描述:DIMM MODULE - Trays
SG572124FG8P6IL 制造商:SMART Modular Technology Inc 功能描述:MEMORY MODULE - Trays
SG572124FH8P0PH 制造商:SMART Modular Technology Inc 功能描述:512MX4 - Trays