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參數(shù)資料
| 型號(hào)： | FAN7687N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | PC Power Supply Output Monitoring IC |
| 中文描述： | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP14 |
| 封裝： | DIP-14 |
| 文件頁(yè)數(shù)： | 5/14頁(yè) |
| 文件大?。?/td> | 321K |
| 代理商： | FAN7687N |
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FAN7685/FAN7686/FAN7687
5
Electrical Characteristics
(V
CC
= 5V, Ta=25°C, unless otherwise specified)
* : These parameters although guaranteed over the recommended operating conditions, are not 100% tested in production.
Over Voltage Protection, Under Voltage Protection and FPO
Parameter
Test Condition
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
Typ.
4.1
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
Unit
Over Voltage Threshold
VS33
V
FAN7687A
VS5
6.1
FAN7687A
VS12,
VCC12
13.8
FAN7687A
(VS12)
FAN7687A
(VCC12)
Under Voltage Threshold
VS33
2.69
V
FAN7687A
VS5
4.3
FAN7687A
VS12,
VCC12
9.3
FAN7687A
(VS12)
FAN7687A
(VCC12)
Ratio of Current Sense Sink Current to
Current Sense Setting Pin(RI) Source
Current
Offset Voltage of OCP Comparator
Leakage Current(FPO)
Iref
Resistor at RI=30k
,
0.1% Resistor
7.6
8
8.4
V
offset
I
LKGI
V
PSON
=0V
V
FPO
= 5V
I
FPO
=10mA
I
FPO
=30mA
-5
-
-
-
-
-
-
-
5
5
mV
uA
Low Level Output Voltage(FPO)
V
OLI
0.3
0.7
V
PGI and PGO
Input Threshold Voltage(PGI)
Leakage Current(PGO)
Low Level Output Voltage(PGO)
V
PGI
I
LKG2
V
OL2
1.16
-
-
1.20
-
-
1.24
5
0.4
V
uA
V
V
PGO
= 5V
I
PGO
=10mA
PSON Control
Input Pull-up Current
High-Level Input Voltage
Low-Level Input Voltage
I
PSON
V
IHPS
V
ILPS
V
PSON
= 0V
-
150
-
-
-
-
uA
V
V
2.4
-
1.2
Total Device
Supply Current
I
CC
V
PSON
= 5V
-
-
1
mA
Switching Characteristics
Debounce Time(PSON)
t
b1
t
b2*
t
d1
25
38
51
ms
Noise Debounce Time
PGO Delay Time(PGI to PGO)
50
200
73
300
100
410
us
ms
Internal UVP Delay Time
t
d2
FPO goes low and
every time PGI > 1.2
FPO goes low and
everytime PGI<1.2
51
75
102
ms
t
d4*
200
300
410
ms
PSON off to FPO Delay Time
t
d3
t
b1
+1.6 t
b1
+2.3 t
b1
+3.2
ms
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