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參數(shù)資料
| 型號： | SG6741 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Highly-Integrated Green-Mode PWM Controller |
| 中文描述： | 高度集成的綠色模式PWM控制器 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 623K |
| 代理商： | SG6741 |
Product Specification
Highly-Integrated Green-Mode PWM Controller
Oscillator Section
Symbol
Parameter
SG6741
System General Corp.
Version 1.2.1 (IAO33.0047.B2)
- 5 -
www.sg.com.tw www.fairchildsemi.com
September 19, 2007
Test Condition
Center Frequency
Hopping Range
V
DD
=11V to 22V
T
A
=-20 to 85
℃
Min.
62
±3.7
18
Typ.
65
±4.2
4.4
22
Max.
68
±4.7
25
5
5
Unit
F
OSC
Frequency in Nominal Mode
kHz
t
HOP
F
OSC-G
F
DV
F
DT
Hopping Period
Green-Mode Frequency
Frequency Variation vs. V
DD
Deviation
Frequency Variation vs. Temp. Deviation
ms
kHz
%
%
Feedback Input Section
Symbol
Parameter
A
V
Input Voltage to Current-Sense Attenuation
Z
FB
Input Impedance
V
FB-OPEN
FB Output High Voltage
V
FB-OLP
FB Open-Loop Trigger Level
Test Condition
Min.
1/3.75
4
5.5
3.7
Typ.
1/3.20
4.0
Max.
1/2.75
7
4.3
Unit
V/V
k
V
V
FB Pin Open
t
D-OLP
Delay Time, FB Pin Open-Loop Protection
R
I
=26k
50
56
62
ms
V
FB-N
V
FB-G
Green-Mode Entry FB Voltage
Green-Mode Ending FB Voltage
1.9
2.1
V
FB-N
-0.5
2.3
V
V
Current-Sense Section
Symbol
Parameter
Z
SENSE
Input Impedance
Test Condition
Min.
Typ.
12
Max.
Unit
K
V
STHFL
Current Limit Flatten Threshold Voltage
0.87
0.90
0.93
V
V
STHVA
t
PD
Current Limit Valley Threshold Voltage
V
STHFL
–V
STHVA
0.18
0.22
0.26
V
Delay to Output
100
200
ns
t
LEB
Leading-Edge Blanking Time
275
350
425
ns
V
S-SCP
Threshold Voltage for SENSE Short-Circuit
Protection
Delay Time for SENSE Short-Circuit
Protection
0.15
V
t
D-SSCP
V
SENSE
<0.15V, R
I
=26k
180
μs
PWM Frequency
F
OSC
F
OSC-G
V
FB
V
FB-N
V
FB-G
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG6741 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SG6741_08 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG6741A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG6741ASY | 功能描述:電流型 PWM 控制器 Highly Integrated Gr Mode PWM Controller 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 |
| SG6741ASZ | 功能描述:電流型 PWM 控制器 Highly-Integrated Green-Mode PWM Cont. 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 |
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