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參數(shù)資料
| 型號： | SG6203DZ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Synchronous Rectifier Controller for Flyback Converter |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, PDIP8 |
| 封裝： | ROHS COMPLIANT, DIP-8 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 465K |
| 代理商： | SG6203DZ |
Product Specification
Synchronous Rectifier Controller for Flyback Converter
Synchronous Detection Section
Symbol
Parameter
SG6203
System General Corp.
Version 1.0.1 (IAO33.0010.B1)
- 5 -
www.sg.com.tw www.fairchildsemi.com
September 24, 2007
Test Condition
Min.
Typ.
Max.
Unit
V
TH
Threshold Voltage to Enable One-shot Signal
1.9
2.1
2.3
V
V
TL
Threshold Voltage to Enable Output
IN+ - IN- > 5mV
1.2
1.4
1.6
V
I
DET
Current Output from DET Pin
R
T
=24K
Ω
250
300
μA
T
D
_
LOW
Debounce Time from DET Low to Enable Output
150
300
ns
Current Detection Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OFFSET
Offset Voltage
10
mV
I
IN+
Current Output from IN+
R
T
=24K
Ω
90
100
110
μA
I
IN-
Current Output from IN-
R
T
=24K
Ω
90
100
110
μA
I
IN+
- I
IN-
Differential Current of IN+ and IN-
12K
Ω
< R
T
< 36K
Ω
1.5
μA
T
P
Propagation Delay (OUTPUT from Low to High)
DET< V
TL
, IN+ - IN- > 5mV
200
ns
PSRR
Power Supply Rejection Ratio
65
dB
CMRR
Common Mode Rejection Ratio
65
dB
CMRR-f
Zener Section
Symbol
Common Mode Rejection Ratio at 70KHz
32
dB
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
Z
Zener Voltage
I
VZ=
0.1 ~ 3mA
18
19
20
V
Output Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
CC
=12V, I
SOURCE
=50mA
11.2
V
V
OH
Output Voltage High
V
CC
=6V, I
SOURCE
=30mA
3.5
V
V
CC
=12V, I
SINK
=50mA
1
V
V
OL
Output Voltage Low
V
CC
=6V, I
SINK
=30mA
1.2
V
Tr
Rising Time
T
A
=25°C; C
L
=5nF,
V
CC
=12V
150
175
ns
Tf
Falling Time
T
A
=25°C; C
L
=5nF,
V
CC
=12V
150
175
ns
V
CC
Section
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
OP
Continuously Operating Voltage
20
V
I
CC_OP
Operating Current
V
DD
=12V, Output=open,
DET=50KHz,
IN-=IN+=open, R
T
=12K
Ω
1.7
4.0
mA
V
TH(ON)
Start Threshold
6.0
6.3
V
V
TH(OFF)
Minimum Operating Voltage
4.8
5.1
V
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