SG6520A Fairchild Semiconductor, SG6520A Datasheet - Page 7

• Manufacturer Part Number: SG6520A
• Description: The SG6520A is designed to provide the supply voltage, current supervisor, remote on/off (PSON), power-good (PGO) indicator, and fault protection (FPO) functions for switching power systems
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
SG6520A • Rev. 1.0.3
Electrical Characteristics
V
Symbol
V
Over-Voltage (OVP) and Over-Current (OCP) Protections
Under-Voltage Protection and PGI, PGO
PSON Control
Over-Temperature Section
V
I
V
I
V
t
LKG-PGO
DD
DD
LKG-FPO
V
V
t
V
ST-OCP
I
t
V
V
PSOFF
OFFSET
OL-PGO
OL-FPO
t
V
t
t
t
t
PSON
PSON
I
I
V
I
V
V
V
PGI_1
PGI_2
OND
t
V
OVP
OCP
UVP
HYST
DD1
DD2
REF
ND1
I
t
UVP
OVP
PG
RI
DD
TH
= 5V, T
Section
R
ST
RI
IH
IL
DC Supply Voltage
Supply Current
Supply Current
Supply Voltage Rising Time
V
Over-Voltage Protection
Ratio of Current-Sense Sink Current
to Current-Sense Setting Pin (RI)
Source Current
OCP Comparator Input Offset Voltage
Leakage Current (FPO)
Low-Level Output Voltage (FPO)
OVP Delay Time
OCP Delay Time
RI Pin Voltage
Output Current RI
Start-up OCP / UVP Protection Time
Input Threshold Voltage
Input Threshold Voltage
Under-Voltage Protection
Under-Voltage Turn-on Delay
UVP Delay
Leakage Current (PGO)
Low-Level Output Voltage (PGO)
Timing PG Delay
Noise Deglitch Time
Input Pull-up Current
High-Level Input Voltage
Low-Level Input Voltage
Timing PSON to On/Off
Timing PGO LOW to FPO HIGH
Over-Temperature Threshold
Hysteresis
A
DD
= 25°C, unless otherwise noted.
Start Threshold Voltage
Parameter
PGI 1
PGI 2
PSON = LOW
PSON = HIGH
VS33
VS5
VS12, VS12B
R
(temperature =
-40°C ~ +80°C)
FPO = 5V
I
0.6V < PGI < 1.25V;
FPO = Low
VS33
VS5
VS12, VS12B
PGI>0.6V
PGI>1.25V
PGO = 5V
V
10mA
PSON = 0V
PSON LOW to FPO
LOW
PSON HIGH to PGO
LOW
SINK
DD
I
= 18.5kΩ ~ 75kΩ
Conditions
20mA
= 12V; I
7
SINK
0.98•Typ.
0.96•Typ.
0.98•Typ.
3.830
13.70
Min.
2.65
0.18
5.80
7.80
12.5
12.5
200
2.4
4.2
3.7
9.2
2.4
1.6
49
90
34
34
33
49
-3
2
1
3.965
14.05
Typ.
1.25
0.60
6.15
8.05
20.0
1.25
2.80
10.0
300
150
120
1.7
1.0
4.1
3.2
2.8
2.5
75
75
75
48
48
1.01•Typ.
1.02•Typ.
1.03•Typ.
4.100
Max.
14.40
15.0
6.50
8.30
27.5
62.5
2.95
10.8
0.23
110
114
114
450
210
2.6
1.5
4.2
0.4
4.5
4.0
0.4
0.8
4.5
2.6
67
67
3
5
5
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Units
mA
mA
mV
ms
ms
ms
ms
ms
ms
ms
ms
µA
µA
µA
µA
µs
µs
V
V
V
V
V
V
V
V
V
V
V
V
V