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参数资料
| 型号： | SG5841SZ |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC PWM FLYBACK ISOLATED CM 8-SOP |
| 产品变化通告： | Mold Compound Change 12/Dec/2007 |
| 标准包装： | 2,500 |
| 输出隔离： | 隔离 |
| 频率范围： | 62kHz ~ 68kHz |
| 输入电压： | 11 V ~ 24.7 V |
| 输出电压： | 18V |
| 工作温度： | -20°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | * |
| 包装： | 带卷 (TR) |
Electrical Characteristics
V DD = 15V, T A = 25°C, unless otherwise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V DD Section
V DD-OP
Continuously Operating Voltage
24.7
V
V DD-ON
V DD-OFF
I DD-ST
I DD-OP
V DD-CLAMP
Start Threshold Voltage
Minimum Operating Voltage
Startup Current
Operating Supply Current
V DD Over-Voltage-Clamping Level
V DD =V DD-ON –0.16V
V DD =15V, R I =26K ? ,
GATE=OPEN
15
9
28
16
10
14
4
29
17
11
30
5
V
V
μA
mA
V
t D-VDDCLAMP
V DD Over-Voltage-Clamping
Debounce Time
R I =26K ?
50
100
200
μs
R I Section
RI NOR
RI MAX
RI MIN
R I Operating Range
Maximum R I Value for Protection
Minimum R I Value for Protection
15.5
230
10
36.0
K ?
K ?
K ?
Oscillator Section
Normal
Center Frequency
R I =26K ?
62
65
68
f OSC
PWM
Frequency
Hopping Range
R I =26K ?
(SG5841J only)
±3.7
±4.2
±4.7
KHz
t HOP
f OSC-G
f DV
f DT
Hopping Period
Green-Mode Frequency
Frequency Variation vs. V DD
Deviation
Frequency Variation vs.
Temperature Deviation
R I =26K ?
(SG5841J only)
R I =26K ?
V DD =11.5V to 24.7V
T A =-20 to +85 ° C
3.9
18
4.4
22
4.9
25
5
5
ms
KHz
%
%
Feedback Input Section
A V
Z FB
FB Input to Current Comparator
Attenuation
Input Impedance
1/3.75
4
1/3.20
1/2.75
7
V/V
K ?
V FB-OPEN
FB Output High Voltage
FB pin open
5
6
V
V FB-OLP
FB Open-Loop Trigger Level
4.2
4.5
4.8
V
t D-OLP
V FB-N
V FB-G
Delay Time of FB Pin Open-Loop
Protection
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
R I =26K ?
R I =26K ?
R I =26K ?
26
1.9
29
2.1
V FB-N -0.5
32
2.3
ms
V
V
f OSC
f OSC -GREEN
Figure 5. PWM Frequency
? 2006 Fairchild Semiconductor Corporation
SG5841J ? Rev. 1.3.5
6
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SG5841SZ_SB82167 | 功能描述:电流型 PWM 控制器 HI-INTEGRD GRN-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 |
| SG5842A | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842A_09 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842ADZ | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842ASY | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
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