SG6203 Fairchild Semiconductor, SG6203 Datasheet - Page 5

• Manufacturer Part Number: SG6203
• Description: Synchronous Rectifier Controller
• Manufacturer: Fairchild Semiconductor

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Synchronous Rectifier Controller for Flyback Converter
Synchronous Detection Section
Symbol
V
V
I
T
Current Detection Section
Zener Section
Output Section
Symbol
V
V
Tr
Tf
V
Symbol
V
I
V
V
© System General Corp.
Version 1.0.1 (IAO33.0010.B1)
DET
Symbol
V
I
I
I
T
PSRR
CMRR
CMRR-f
Symbol
V
CC_OP
IN+
IN-
IN+
D
TH
TL
OH
OL
OP
TH(ON)
TH(OFF)
P
OFFSET
Z
_
CC
LOW
- I
IN-
Section
Parameter
Threshold Voltage to Enable One-shot Signal
Threshold Voltage to Enable Output
Current Output from DET Pin
Debounce Time from DET Low to Enable Output
Parameter
Offset Voltage
Current Output from IN+
Current Output from IN-
Differential Current of IN+ and IN-
Propagation Delay (OUTPUT from Low to High)
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Common Mode Rejection Ratio at 70KHz
Parameter
Zener Voltage
Parameter
Output Voltage High
Output Voltage Low
Rising Time
Falling Time
Parameter
Continuously Operating Voltage
Operating Current
Start Threshold
Minimum Operating Voltage
Test Condition
IN+ - IN- > 5mV
R
Test Condition
R
R
12KΩ < R
DET< V
Test Condition
I
Test Condition
V
V
V
V
T
V
T
V
Test Condition
V
DET=50KHz,
IN-=IN+=open, R
VZ=
A
A
CC
CC
CC
CC
CC
CC
DD
T
T
T
=24KΩ
=24KΩ
=24KΩ
=25°C; C
=25°C; C
0.1 ~ 3mA
- 5 -
=12V, I
=6V, I
=12V, I
=6V, I
=12V
=12V
=12V, Output=open,
TL
, IN+ - IN- > 5mV
SOURCE
SINK
T
SOURCE
SINK
L
L
< 36KΩ
=5nF,
=5nF,
=30mA
=50mA
=30mA
=50mA
T
=12KΩ
www.sg.com.tw • www.fairchildsemi.com
Min.
1.9
1.2
150
Min.
90
90
Min.
18
Min.
11.2
3.5
Min.
4.8
Typ.
2.1
1.4
250
Typ.
100
100
65
65
32
Typ.
19
Typ.
150
150
Typ.
1.7
6.0
5.1
Product Specification
September 24, 2007
Max.
2.3
1.6
300
300
Max.
10
110
110
1.5
200
Max.
20
Max.
1
1.2
175
175
Max.
20
4.0
6.3
SG6203
Unit
V
V
µA
ns
Unit
mV
µA
µA
µA
ns
dB
dB
dB
Unit
V
Unit
V
V
V
V
ns
ns
Unit
V
mA
V
V