SG6105A Fairchild Semiconductor, SG6105A Datasheet - Page 8

• Manufacturer Part Number: SG6105A
• Description: SG6105A controller is designed for switching-mode power supplies for desktop PCs
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
SG6105A • Rev. 1.0.2
Electrical Characteristics
V
Power-Good Section
Remote On/Off Section
Error Amplifier Section
Oscillator Section
Soft-Start Section
Comparator Section
PWM Output Section
Note:
5.
V
CC
T
Symbol
T
HYSTERESIS
PSON(OFF)
T
PSON(ON)
PSRR
=5V, T
V
I
V
A
I
BW
f
V
Not tested in production.
T
PSON
PSOFF
V
V
DC
V
UVAC
V
OSC
I
R
T
ON2
T
I
VOL
OL2
SS
PG
2.5
IB
OH
OL
R
IH
IL
F
O
A
= 25°C, R
Timing for PG Delay
U
Power-Good Output Rising
Time
Power-Good Falling Time
Power-Good Output
Saturation Level
Power-Good Leakage
Current Collector
High-Level Input Voltage
Low-Level Input Voltage
PSON Input Hysteresis
Voltage
Remote Input Driving
Current
Timing PSON to On
Timing PSON to Off (PS-off) R
Timing PG Low to Power Off R
Reference Voltage
Input Bias Current
Open-Loop Voltage Gain
Unity Gain Bandwidth
Power Supply Rejection
Ratio
PWM Frequency
Charge Current
Duty Cycle
Output Voltage Low
Output Voltage High
Output Impedance of V
VAC
(5)
Voltage Sense for PG
(5)
I
=75KΩ, unless noted operating specs.
Parameter
(5)
(5)
(Continued)
OH
(5)
(5)
R
C
C
I
V
R
T
R
I
V12=12V
PG
O
PG
I
L
L
I
I
I
A
=75kΩ
=75kΩ
=75kΩ
=75kΩ
I
=100pF, Pull 2.2K to 5V
=100pF, Pull 2.2K to 5V
=20mA
=75kΩ
=5mA
=25°C
=5V
Conditions
8
Min.
0.68
200
2.46
0.3
1.5
38
0.3
1.5
50
50
62
85
2
8
7
4
Typ.
0.70
2.50
300
300
2.0
50
16
1.0
60
65
1
8
Max.
0.72
400
500
2.54
0.5
0.8
0.5
6.3
0.1
0.8
3.3
62
24
68
93
3
1
9
www.fairchildsemi.com
Units
MHz
KHz
mA
ms
ms
ms
ms
KΩ
µA
µs
ns
µA
dB
dB
µA
%
V
V
V
V
V
V
V
V