SG6961SY Fairchild Semiconductor, SG6961SY Datasheet - Page 7

• Manufacturer Part Number: SG6961SY
• Description: IC PFC CTRLR AVERAGE CURR 8SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of SG6961SY

• Mode: Average Current
• Frequency - Switching: 50kHz
• Current - Startup: 10µA
• Voltage - Supply: 12 V ~ 20 V
• Operating Temperature: -20°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2008 Fairchild Semiconductor Corporation
SG6961 • Rev. 1.3.2
Electrical Characteristics
V
Current-Sense Section
Gate Section
Zero Current Detection Section
Maximum On-Time Section
CC
H
Symbol
V
V
YS
=15V, T
t
V
t
t
RESTART
ZCD-HIGH
V
ZCD-LOW
ZCD-DIS
ON-MAX
t
V
t
V
MOT
V
V
t
V
DEAD
INHIB
of V
t
ZOUT
LEB
t
ZCD
PD
t
DIS
OH
PK
OL
R
F
ZCD
A
=25°C, unless otherwise specified.
Threshold Voltage for
Peak Current Limit Cycle-
by-Cycle Limit
Propagation Delay
Leading-Edge Blanking
Time
Output Voltage Maximum
(Clamp)
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Input Threshold Voltage
Rising Edge
Threshold Voltage
Hysteresis
Upper Clamp Voltage
Lower Clamp Voltage
Maximum Delay, ZCD to
Output Turn-On
Restart Time
Inhibit Time (Maximum
Switching Frequency
Limit)
Disable Threshold Voltage
Disable Function
Debounce Time
Maximum On Time
Voltage
Maximum On Time
Programming
(Resistor Based)
Parameter
R
V
V
V
V
20~80%
V
80~20%
V
V
I
I
V
Output Turned Off by ZCD
R
R
R
V
ZCD
ZCD
CC
CC
CC
CC
CC
ZCD
ZCD
COMP
COMP
MOT
MOT
MOT
MOT
=20V
=15V, I
=14V, I
=12V, C
=12V, C
=3mA
=-0.5mA
=24kΩ
=24kΩ
=24kΩ, V
=24kΩ, V
Increasing
Decreasing
=5V, f
=5V
Conditions
O
O
L
L
SW
=100mA
=100mA
=3nF,
=3nF,
7
ZCD
CS
=60KHz
=0V,
=100mV
Min.
0.77
15.5
0.25
1.25
100
300
200
800
1.9
1.5
50
30
21
8
8
0
Typ.
0.82
16.5
0.35
1.30
400
500
250
2.1
2.5
80
40
10
25
Max.
0.87
17.5
0.50
1.35
200
500
160
400
700
300
1.4
2.3
3.0
70
12
27
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Units
mV
ns
μs
μs
μs
μs
ns
ns
ns
V
V
V
V
V
V
V
V
V