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參數(shù)資料
| 型號： | SG6849-65T |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback |
| 中文描述： | 低功耗綠色模式PWM反激式電源控制器，無二次反饋 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 340K |
| 代理商： | SG6849-65T |
Product Specification
Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback
SG6849
System General Corp.
Version 1.0(IRO33.0002.B3)
- 5 -
www.sg.com.tw
Dec.29, 2003
Current Sense Section
Symbol Parameter
TPD
Propagation Delay
Test Condition
Min.
Typ.
100
Max.
Unit
ns
VDD = 20V
0.84
0.89
0.94
V
VDD = 15V
0.72
0.77
0.82
V
Current Limiting Valley Threshold Voltage for 65kHz
VDD = 10V
0.58
0.63
0.68
V
VDD = 20V
0.76
0.81
0.86
V
VDD = 15V
0.65
0.70
0.75
V
VTH,VA
Current Limiting Valley Threshold Voltage for 100kHz
VDD = 10V
0.52
0.57
0.62
V
Oscillator Section
Symbol
Parameter
F
OSC
SG6849–65 Frequency
F
OSC
SG6849–100 Frequency
F
OSC-G-BK
Green-Mode Burst Back Frequency*
F
OSC-G-OFF
Green-Mode OFF Frequency*
I
FB-G-OFF
Green-Mode OFF FB Input Current
F
DV
Frequency Variation versus V
DD
Deviation
V
DD
-Low Threshold Voltage for Exiting Green-Mode
OFF
*Please see the “Green-Mode Burst Back (F
OSC-G-BK
) and Green-Mode OFF Frequency (F
OSC-G-OFF
) vs. V
DD
” curves.
Test Condition
V
DD
= 10 to 20V
Min.
60
92
20
0.9
V
DD
Typ.
65
100
25
0
1.15
V
DD
Max.
70
108
30
1.4
2
V
DD
Unit
kHz
kHz
kHz
kHz
mA
%
V
DD-TH-G
OFF
+1.0
OFF
+1.5
OFF
+2.0
V
0.77V
V
LIMIT
Ramp
T
OFF
T
ON
Low-Line Sense
Voltage
High-Line
Sense Voltage
0V
T
1
T
2
V
TH,VA
V
TH,FT
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| SG684965TZ | 功能描述:電流型 PWM 控制器 Low-Pwr Gr-Mode PWM Flybck Ctrl w/o Se RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| SG68502ASZ | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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| SG6858 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Cost, Green-Mode PWM Controller for Flyback Converters |
| SG6858_09 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Cost, Green-Mode, PWM Controller for Flyback Converters |
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