參數(shù)資料
型號(hào)： SG6902SZ
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Green-Mode PFC / Flyback-PWM Controller
中文描述： POWER FACTOR CONTROLLER, 68 kHz SWITCHING FREQ-MAX, PDSO20
封裝： 0.300 INCH, ROHS COMPLIANT, MS-013AC, SOP-20
文件頁數(shù)： 6/22頁
文件大小： 863K
代理商： SG6902SZ
Product Specification
Green-Mode PFC / Flyback-PWM Controller
SG6902
System General Corp.
Version 1.3.1 (IAO33.0022.B3)
- 6 -
www.sg.com.tw www.fairchildsemi.com
September, 2007
Oscillator & Green-Mode Operation
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
RI
RI Voltage
1.176
1.200
1.224
V
F
OSC
F
OSC-MINFREQ
RI
PWM Frequency
Minimum Frequency in Green Mode
RI Pin Resistance Range
RI Pin Open Protection
If RI> RI
open
, SG6902 Turns Off
RI Pin Short Protection
If RI< RI
short
, SG6902 Turns Off
R
I
=24k
R
I
=24k
62
18.0
15
65
20.0
68
22.5
47
KHz
KHz
K
Ω
RI
OPEN
200
K
Ω
RI
SHORT
2
K
Ω
VRMS for UVP and RANGE
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
RMS-UVP-1
RMS AC Voltage Under-Voltage Protection Threshold
(with T
UVP
Delay)
0.75
0.80
0.85
V
V
RMS-UVP-2
Recovery Level on VRMS
V
RMS-UVP-1
+0.16V
T
UVP-Min
+
9
150
1.90
1.55
145
V
RMS-UVP-1
+0.18V
V
RMS-UVP-1
+0.2V
T
UVP-Min
+
14
240
2.00
1.65
200
0.5
50
V
T
D-PWM
When UVP Occurs, Interval from PFC Off to PWM Off
R
I
=24k
ms
T
UVP
V
RMS-H
V
RMS-L
T
RANGE
V
OL
I
OH
* No delay for start-up.
Under-Voltage Protection Delay Time*
High V
RMS
Threshold for RANGE Comparator
Low V
RMS
Threshold for RANGE Comparator
Range Enable Delay Time
Output Low Voltage of RANGE Pin
Output High Leakage Current of RANGE Pin
R
I
=24k
R
I
=24k
I
o
=1mA
RANGE=5V
195
1.95
1.60
170
ms
V
V
ms
V
nA
PFC STAGE
Voltage Error Amplifier
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
REF
Av
-PFC
Z
O
OVP
PFC
△
OVP
PFC
T
OVP-PFC
V
FBPFC-H
G
FBPFC-H
V
FBPFC-L
G
FBPFC-L
I
FBPFC-L
I
FBPFC-H
UVP
FBPFC
V
FBHIGH
T
UVP-PFC
*
Not tested in production.
Reference Voltage
Open-Loop Gain
Output Impedance
PFC Over Voltage Protection (OVP Pin)
PFC Feedback Voltage Protection Hysteresis
Debounce Time of PFC OVP
Clamp-High Feedback Voltage
Clamp-High Gain
Clamp-Low Feedback Voltage
Clamp-Low Gain
Maximum Source Current
Maximum Sink Current
PFC Feedback Under-Voltage Protection
FB Open Voltage
Debounce Time of PFC UVP
R
I
=24k
R
I
=24k
2.95
3.20
60
40
3.10
2.75
1.5
70
0.35
6
40
3.00
60
110
3.25
90
70
3.15
0.5
2.85
6.5
2.0
110
0.40
7
70
3.05
3.30
120
120
3.20
2.90
0.45
8
120
V
dB
K
V
mV
μs
V
mA/V
V
mA/mV
mA
μA
V
V
μs
*
*
*
*
相關(guān)PDF資料
PDF描述
SG6961 Power Factor Controller
SG6961DZ Power Factor Controller
SG6961SZ Power Factor Controller
SG6980DZ Single-Stage PFC Controller
SG6980SZ Single-Stage PFC Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SG6903SZ 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Highly-Integrated Grn Mode PWM Cntrl RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SG6905 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green mode PFC/Flyback-PWM Controller
SG6905SY 制造商:Rochester Electronics LLC 功能描述: 制造商:Fairchild Semiconductor Corporation 功能描述:
SG6905SZ 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Grn Mode PFC/Forward PWM Controller RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
SG6931DZ 制造商:Fairchild Semiconductor Corporation 功能描述:
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*