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參數(shù)資料
| 型號(hào)： | SG6859 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low Cost Green-Mode PWM Controller for Flyback Converters |
| 中文描述： | 低成本綠色模式PWM控制器，用于回掃轉(zhuǎn)換 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大小： | 483K |
| 代理商： | SG6859 |
Product Specification
Low Cost Green-Mode PWM Controller for Flyback Converters
SG6859
Feedback Input Section
Symbol
Parameter
Test Condition
Z
FB
Input Impedance
V
FB-OPEN
FB Output High Voltage
V
FB-OL
FB Open-loop Trigger Level
t
D-OLP
The delay time of FB pin Open Loop Protection
V
FB-N
Green-Mode Entry FB Voltage
V
FB-G
Green-Mode Ending FB Voltage
S
G
Green-Mode Modulation Slope
R
I
=95K
Current Sense Section
Symbol
Parameter
Test Condition
Z
SENSE
Input Impedance
t
PD
Delay to Output
V
STHFL
Flat Threshold Voltage for Current Limit
V
STHVA
Valley Threshold Voltage for Current Limit
t
LEB
Leading-Edge Blanking Time
DCY
SAW
Duty Cycle of SAW Limit
Oscillator Section
Symbol
Parameter
Test Condition
Center Frequency
F
OSC
Normal PWM Frequency
Hopping Range
T
HOP
Hopping Period
R
I
=95K
F
OSC-G
Green-Mode Frequency
R
I
=95K
F
DV
Frequency Variation versus V
DD
Deviation
V
DD
=13.5 to 22V
F
DT
Frequency Variation versus Temp. Deviation
T
A
=-20 to 85°C
System General Corp.
Version 1.2.1(IAO33.0067.B2)
- 5 -
www.sg.com.tw
www.fairchildsemi.com
September 28, 2007
Min.
5
4.3
2.6
40
Typ.
5
4.6
56
2.85
2.20
75
Max.
4.9
3.1
100
Unit
K
V
V
ms
V
V
Hz/mV
Min.
10
40
0.91
0.75
250
Typ.
55
0.96
0.80
300
40
Max.
100
1.01
0.85
350
Unit
K
ns
V
V
ns
%
Min.
65
0
Typ.
70
±4.9
3.7
22
0.02
Max.
75
2
2
Unit
R
I
=95K
KHz
ms
KHz
%
%
Output Section
Symbol
DCY
MAX
V
GATE-L
Parameter
Maximum Duty Cycle
Output Voltage Low
Test Condition
V
DD
=15V, I
o
=20mA
Min.
70
Typ.
75
Max.
80
1.5
Unit
%
V
V
GATE-H
Output Voltage High
V
DD
=13.5V, I
o
=20mA
8
V
tr
tf
Rising Time
Falling Time
V
DD
=15V, C
L
=1nF
V
DD
=15V, C
L
=1nF
V
DD
=22V
150
55
ns
ns
V
GATE-CLAMP
Output Clamp Voltage
16
17
18
V
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| SG6859DZ | Low Cost Green-Mode PWM Controller for Flyback Converters |
| SG6859TZ | Low Cost Green-Mode PWM Controller for Flyback Converters |
| SG6901A | PFC / Flyback PWM Controller |
| SG6901ASZ | PFC / Flyback PWM Controller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG6859A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Cost, Green-Mode PWM Controller for Flyback Converters |
| SG6859A_10 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Cost, Green-Mode PWM Controller for Flyback Converters |
| SG6859ADY | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low-Cost, Green-Mode PWM Controller for Flyback Converters |
| SG6859ADZ | 功能描述:電流型 PWM 控制器 Current Mode PWM Controller 8-Pin RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)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 |
| SG6859AT | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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