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参数资料
| 型号： | SG6859ADZ |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/13页 |
| 文件大小： | 0K |
| 描述： | IC PWM FLYBACK ISOLATED CM 8-DIP |
| 标准包装： | 59 |
| 输出隔离： | * |
| 频率范围： | * |
| 输入电压： | * |
| 输出电压： | * |
| 功率（瓦特）： | * |
| 工作温度： | * |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | * |
| 包装： | 管件 |
Electrical Characteristics
Unless otherwise noted, V DD =15V and T A =25 ° C.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V DD Section
V DD-OP
Continuously Operation Voltage
22
V
V DD-ON
V DD-OFF
I DD-ST
I DD-OP
Turn-on Threshold Voltage
Turn-off Threshold Voltage
Startup Current
Operating Supply Current
V DD =V DD-ON – 0.1V
V DD =15V, C L =1nF
15.5
8.5
16.5
9.5
9
3.0
17.5
10.5
15
3.5
V
V
μ A
mA
V DD-OVP
t D-VDDOVP
V DD Over-Voltage Protection Level
V DD Over-Voltage Protection Debounce
Auto Restart
Auto Restart
24
25
125
26
V
μ s
V DD-G OFF
V DD Low-Threshold Voltage to Exit
Green-off Mode
V DD-
OFF +1
V
Feedback Input Section
Z FB
V FB-OPEN
Input Impedance
FB Output High Voltage
5
5
k ?
V
V FB-OL
t D-OLP
V FB-N
V FB-G
FB Open-loop Trigger Level
Delay of FB Pin Open-loop Protection
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
4.3
2.60
4.6
56
2.85
2.2
4.9
3.10
V
ms
V
V
S G
Green-Mode Modulation Slope
R I =95k ?
40
75
100
Hz/mV
Current-Sense Section
Z SENSE
Input Impedance
10
k ?
t PD
V STHFL
V STHVA
t LEB
DCY SAW
Delay to Output
Flat Threshold Voltage for Current Limit
Valley Threshold Voltage for Current Limit
Leading-Edge Blanking Time
Duty Cycle of SAW Limit
40
0.75
270
55
1
0.80
320
40
100
0.85
370
ns
V
V
ns
%
Oscillator Section
f OSC
Frequency
Center Frequency
Hopping Range
R I =95k ?
65
70
± 4.9
75
kHz
T HOP
f OSC-G
Hopping Period
Green-Mode Frequency
R I =95k ?
R I =95k ?
3.7
20
ms
kHz
f DV
f DT
Frequency Variation vs. V DD Deviation
Frequency Variation vs. Temp. Deviation
V DD =13.5 to 22V
T A =-20 to 85°C
0
0.02
2.00
2
%
%
Output Section
DCY MAX
Maximum Duty Cycle
62
67
72
%
V GATE-L
V GATE-H
t r
t f
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
V DD =15V, I O =20mA
V DD =13.5V, I O =20mA
V DD =15V, C L =1nF
V DD =15V, C L =1nF
8
150
55
1.4
V
V
ns
ns
V GATE-CLAMP Output Clamp Voltage
V DD =22V
16
17
18
V
? 2007 Fairchild Semiconductor Corporation
SG6859A ? Rev. 1.0.4
6
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SG6859AT | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SG6859ATY | 功能描述:开关变换器、稳压器与控制器 Low-Cost Green-Mode PWM Controller RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| SG6859ATZ | 功能描述:电流型 PWM 控制器 Highly-Integrated Green-Mode PWM 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 |
| SG6859DDY | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SG6859DTY | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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