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參數資料
| 型號： | SG6858TZ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Low-Cost, Green-Mode PWM Controller for Flyback Converters |
| 中文描述： | SWITCHING CONTROLLER, 75 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | GREEN, MO-193AA, SSOT-26, 6 PIN |
| 文件頁數： | 5/13頁 |
| 文件大?。?/td> | 512K |
| 代理商： | SG6858TZ |
Product Specification
Low-Cost, Green-Mode PWM Controller for Flyback Converters
Feedback Input Section
Symbol
Parameter
A
V
FB Input to Current Comparator Attenuation
Z
FB
Input Impedance
V
FB-OPEN
FB Output High Voltage
V
FB-N
Green-Mode Entry FB Voltage
V
FB-G
Green-Mode Ending FB Voltage
S
G
Green-Mode Modulation Slope
Current-Sense Section
Symbol
Parameter
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
F
OSC
Frequency
F
OSC-G
Green-Mode Frequency
F
DV
Frequency Variation vs. V
DD
Deviation
F
DT
Frequency Variation vs. Temperature Deviation
SG6858
System General Corp.
Version 1.2.1 (IAO33.0045.B2)
- 5 -
www.sg.com.tw www.fairchildsemi.com
September 25, 2007
Test Condition
R
I
=95k
Min.
4.5
Typ.
2/5
5
5.0
2.85
2.20
75
Max.
5.5
Unit
V/V
K
V
V
V
Hz/mV
Test Condition
Max. Duty Cycle
Min.
10
0.75
250
Typ.
60
0.96
0.80
300
45
Max.
100
0.85
350
Unit
k
ns
V
V
ns
%
Test Condition
R
I
=95k
R
I
=95k
V
DD
=13.5V to 22V
T
A
= -20 to 85
°
C
Min.
65
0
Typ.
70
22
0.02
Max.
75
2.00
2
Unit
kHz
kHz
%
%
Output Section
Symbol
DCY
MAX
V
GATE-L
Parameter
Maximum Duty Cycle
Test Condition
Min.
70
Typ.
75
Max.
80
Unit
%
Output Voltage Low
V
DD
=15V, I
o
=20mA
1.5
V
V
GATE-H
Output Voltage High
V
DD
=13.5V, I
o
=-20mA
8
V
t
R
t
F
V
GATE-CLAMP
Rising Time
Falling Time
V
DD
=15V, C
L
=1nF
V
DD
=15V, C
L
=1nF
V
DD
=22V
150
35
200
55
250
75
ns
ns
Output Clamp Voltage
16
17
18
V
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| SG6859 | Low Cost Green-Mode PWM Controller for Flyback Converters |
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| SG6859TZ | Low Cost Green-Mode PWM Controller for Flyback Converters |
| SG6901A | PFC / Flyback PWM Controller |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SG6859 | 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 | 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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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