FAN6206 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – Highly Integrated Dual-Channel Synchronous Rectification Controller

Electrical Characteristics
VDD=20V, TA=25°C, unless otherwise specified.
Symbol
Parameter
Conditions
SP/SN Section
VN-P(turn off) 1
Threshold Voltage of
VN-VP to Turn-Off SR MOS 1
VN-P(turn off) 2
Threshold Voltage of
VN-VP to Turn-Off SR MOS 2
VP-N(turn on) 1
Threshold Voltage of
VP-VN to Turn-On SR MOS 1
VP-N(turn on) 2
Threshold Voltage of
VP-VN to Turn-On SR MOS 2
Ratio_SP-SN
Voltage Difference between
SP and SN
LPC Section
Sweep VN-P- from LOW
to HIGH
Sweep VP-N- from LOW
to HIGH
Sweep VP-N- from LOW
to HIGH
| VSP-VSN | /
MIN(VSP,VSN)
Charge Divide Discharge Current
Ratio_LPC-RES _{Transfer Ratio vs. Input Voltage}
Connect a Diode
1N4148 and Divider
(Ratio 12) to LPC,
VDET = 3V, VLPC = 3V
VLPC-EN1 LPC Enable Threshold Voltage 1
VLPC-EN2 LPC Enable Threshold Voltage 2
VLPC-CLAMP1 Lower Clamp Voltage 1
ILPC = -5μA
VLPC-CLAMP2 Lower Clamp Voltage 2
ILPC = -5μA
ILPC-SOURCE1 Maximum Source Current 1
VLPC = -0.3V
ILPC-SOURCE2 Maximum Source Current 2
VLPC = -0.3V
Threshold Voltage for Disable
VLPC-LOW1 _{LPC Function}
VLPC-LOW2
Threshold Voltage for Disable
LPC Function
tLPC-LOW1
Debounce Time for Disable LPC
Function
VLPC < VLPC-LOW
tLPC-LOW2
Debounce Time for Disable LPC
Function
VLPC < VLPC-LOW
Min.
3
3
3
3
2.79
1.8
1.8
0.10
0.10
1.3
1.3
70
70
Typ. Max. Units
4
5
V
4
5
V
4
5
V
4
5
V
5
%
3.00 3.21
2.0
2.2
V
2.0
2.2
V
0.25 0.40
V
0.25 0.40
V
250
300
μA
250
300
μA
1.5
1.7
V
1.5
1.7
V
100
130
μs
100
130
μs
© 2010 Fairchild Semiconductor Corporation
FAN6206 • Rev. 1.0.2
6
www.fairchildsemi.com