FAN7685 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
FAN7685 Datasheet PDF : 14 Pages
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FAN7685/FAN7686/FAN7687
Electrical Characteristics(VCC = 5V, Ta=25°C, unless otherwise specified)
Over Voltage Protection, Under Voltage Protection and FPO
Parameter
Test Condition
VS33
FAN7687A
Over Voltage Threshold
VS5
FAN7687A
VS12,
VCC12
FAN7687A(VS12)
FAN7687A(VCC12)
VS33
FAN7687A
Under Voltage Threshold
VS5
FAN7687A
Ratio of Current Sense Sink Current to
Current Sense Setting Pin(RI) Source
Current
Offset Voltage of OCP Comparator
Leakage Current(FPO)
Low Level Output Voltage(FPO)
VS12,
VCC12
FAN7687A(VS12)
FAN7687A(VCC12)
Iref
Resistor at RI=30kΩ,
0.1% Resistor
Voffset
ILKGI
VOLI
VPSON=0V
VFPO = 5V
IFPO=10mA
IFPO=30mA
Min.
3.9
3.77
5.8
5.71
13.3
13.71
13.42
2.55
2.88
4.1
4.37
8.8
10.5
10.21
7.6
-5
-
-
-
Typ.
4.1
6.1
13.8
2.69
4.3
9.3
8
-
-
-
-
Max.
4.3
4.06
6.4
6.16
14.3
14.79
14.5
2.83
3.02
4.5
4.58
9.8
11.0
10.71
8.4
5
5
0.3
0.7
Unit
V
V
mV
uA
V
PGI and PGO
Input Threshold Voltage(PGI)
Leakage Current(PGO)
Low Level Output Voltage(PGO)
VPGI
ILKG2
VOL2
VPGO = 5V
IPGO=10mA
1.16 1.20 1.24
V
-
-
5
uA
-
-
0.4
V
PSON Control
Input Pull-up Current
High-Level Input Voltage
Low-Level Input Voltage
IPSON
VIHPS
VILPS
VPSON = 0V
-
150
-
uA
2.4
-
-
V
-
-
1.2
V
Total Device
Supply Current
ICC VPSON = 5V
-
-
1
mA
Switching Characteristics
Debounce Time(PSON)
Noise Debounce Time
PGO Delay Time(PGI to PGO)
Internal UVP Delay Time
PSON off to FPO Delay Time
tb1
25
38
51
ms
tb2*
50
73
100
us
td1
200 300 410 ms
td2
FPO goes low and
every time PGI > 1.2
51
75 102 ms
td4*
FPO goes low and
everytime PGI<1.2
200 300 410 ms
td3
tb1+1.6 tb1+2.3 tb1+3.2 ms
* : These parameters although guaranteed over the recommended operating conditions, are not 100% tested in production.
5
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