參數(shù)資料
型號(hào)： SG6858DZ
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, PDIP8
封裝： GREEN, MS-001BA, DIP-8
文件頁(yè)數(shù)： 5/13頁(yè)
文件大小： 512K
代理商： SG6858DZ
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SG6858TZ 功能描述:IC CTRLR PWM PROG GREEN CM 6SSOT RoHS:是 類別:集成電路 (IC) >> PMIC - AC-DC 轉(zhuǎn)換器，離線開(kāi)關(guān) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 輸出隔離:隔離 頻率范圍:61kHz ~ 71kHz 輸入電壓:9.4 V ~ 28 V 輸出電壓:12V 功率（瓦特）:- 工作溫度:-40°C ~ 125°C 封裝/外殼:SC-74，SOT-457 供應(yīng)商設(shè)備封裝:6-TSOP 包裝:帶卷 (TR)
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
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