FAN7687 Fairchild Semiconductor, FAN7687 Datasheet - Page 5

• Manufacturer Part Number: FAN7687
• Description: PC Power Supply Output Monitoring IC
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
* : These parameters although guaranteed over the recommended operating conditions, are not 100% tested in production.
Over Voltage Protection, Under Voltage Protection and FPO
Parameter
Over Voltage Threshold
Under Voltage Threshold
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)
PGI and PGO
Input Threshold Voltage(PGI)
Leakage Current(PGO)
Low Level Output Voltage(PGO)
PSON Control
Input Pull-up Current
High-Level Input Voltage
Low-Level Input Voltage
Total Device
Supply Current
Switching Characteristics
Debounce Time(PSON)
Noise Debounce Time
PGO Delay Time(PGI to PGO)
Internal UVP Delay Time
PSON off to FPO Delay Time
(V
CC
= 5V, Ta=25°C, unless otherwise specified)
VCC12
VCC12
V
I
VS12,
VS12,
V
I
V
VS33
VS33
V
I
PSON
V
V
LKG2
t
t
VS5
VS5
LKGI
offset
I
t
t
t
t
Iref
IHPS
ILPS
b2*
d4*
OL2
CC
OLI
PGI
b1
d1
d2
d3
FAN7687A
FAN7687A
FAN7687A
FAN7687A
FAN7687A
FAN7687A
FAN7687A
FAN7687A
Resistor at RI=30kΩ,
0.1% Resistor
V
V
I
I
V
I
V
V
FPO goes low and
every time PGI > 1.2
FPO goes low and
everytime PGI<1.2
FPO
FPO
PGO
PSON
FPO
PGO
PSON
PSON
Test Condition
=10mA
=30mA
=10mA
= 5V
= 5V
=0V
(VS12)
(VCC12)
(VS12)
(VCC12)
= 0V
= 5V
t
b1
13.71
13.42
10.21
Min.
3.77
5.71
13.3
2.55
2.88
4.37
10.5
1.16
200
200
3.9
5.8
4.1
8.8
7.6
2.4
25
50
51
-5
+1.6 t
-
-
-
-
-
-
-
-
b1
Typ.
13.8
2.69
1.20
FAN7685/FAN7686/FAN7687
150
300
300
4.1
6.1
4.3
9.3
38
73
75
+2.3 t
8
-
-
-
-
-
-
-
-
-
b1
14.79
10.71
Max.
4.06
6.16
14.3
14.5
2.83
3.02
4.58
11.0
1.24
100
410
102
410
4.3
6.4
4.5
9.8
8.4
0.3
0.7
0.4
1.2
51
+3.2
5
5
5
1
-
-
Unit
mV
mA
ms
ms
ms
ms
ms
uA
uA
uA
us
V
V
V
V
V
V
V
5