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參數(shù)資料
| 型號(hào)： | SG5841SZ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Highly Integrated Green-Mode PWM Controller |
| 中文描述： | 0.23 A SWITCHING CONTROLLER, 68 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD FREE, MS-012AA, SOP-8 |
| 文件頁(yè)數(shù)： | 5/14頁(yè) |
| 文件大?。?/td> | 506K |
| 代理商： | SG5841SZ |
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Product Specification
Highly Integrated Green-Mode PWM Controller
Oscillator Section
Symbol
Parameter
SG5841/J
System General Corp.
Version 1.3.1 (IAO33.0017.B6)
- 5 -
www.sg.com.tw www.fairchildsemi.com
September 20, 2007
Test Condition
R
I
=26K
R
I
=26K
(5841J only)
R
I
=26K
(5841J only)
R
I
=26K
V
DD
=11.5V to 24.7V
Min.
62
±3.7
3.9
18
Typ.
65
±4.2
4.4
22
Max.
68
±4.7
4.9
25
5
5
Unit
Center Frequency
Hopping Range
F
OSC
Normal PWM Frequency
KHz
t
HOP
F
OSC-G
F
DV
F
DT
Hopping Period
Green-Mode Frequency
Frequency Variation vs. V
DD
Deviation
Frequency Variation vs. Temperature Deviation T
A
=-20 to +85
°
C
ms
KHz
%
%
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-OLP
FB Open-Loop Trigger Level
t
D-OLP
Delay Time of FB pin Open-Loop Protection
V
FB-N
Green-Mode Entry FB Voltage
V
FB-G
Green-Mode Ending FB Voltage
Test Condition
FB pin open
Min.
1/3.75
4
5
4.2
26
1.9
Typ.
1/3.20
6
4.5
29
2.1
V
FB-N
-0.5
Max.
1/2.75
7
4.8
32
2.3
Unit
V/V
K
V
V
ms
V
V
R
I
=26K
R
I
=26K
R
I
=26K
Current-Sense Section
Symbol
Parameter
Z
SENSE
Input Impedance
V
STHFL
Current Limit Flatten Threshold Voltage
V
STHVA
Current Limit Valley Threshold Voltage
Test Condition
V
STHFL
–V
STHVA
Min.
0.85
Typ.
12
0.90
0.22
Max.
0.95
Unit
K
V
V
t
PD
Propagation Delay to GATE Output
R
I
=26K
150
200
ns
t
LEB
Leading-Edge Blanking Time
R
I
=26K
200
270
350
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG5842ASZ | Highly Integrated Green-Mode PWM Controller |
| SG5842A | Highly Integrated Green-Mode PWM Controller |
| SG5842ADZ | Highly Integrated Green-Mode PWM Controller |
| SG5842JA | Highly Integrated Green-Mode PWM Controller |
| SG5842JADZ | Highly Integrated Green-Mode PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SG5841SZ_SB82167 | 功能描述:電流型 PWM 控制器 HI-INTEGRD GRN-MODE PWM CONTROLLER RoHS:否 制造商:Texas Instruments 開(kāi)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 |
| SG5842A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842A_09 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842ADZ | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
| SG5842ASY | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Highly Integrated Green-Mode PWM Controller |
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