SG6961 Fairchild Semiconductor, SG6961 Datasheet - Page 5

• Manufacturer Part Number: SG6961
• Description: Power Factor Controller
• Manufacturer: Fairchild Semiconductor

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Power Factor Controller
Current Sense Section (V
Symbol
V
T
T
Gate Section
Zero Current Detection Section
Maximum On-Time Section
Symbol
V
T
© System General Corp.
Version 1.3.1 (IRO33.0028.B6)
Symbol
V
H
V
V
T
T
T
V
T
Symbol
VZ-
V
V
T
T
PKD
BNK
ON-MAX
PK
DEAD
RESTART
INHIB
ZCD-DIS
MOT
R
F
ZCD
YS
ZCD-HIGH
ZCD-LOW
DIS
OL
OH
OUT
of V
ZCD
Parameter
Threshold Voltage for Peak Current Limit
Cycle–by-Cycle Limit
Propagation Delay
Leading-Edge Blanking Time
Parameter
Output Voltage Maximum (Clamp)
Output Voltage Low
Output Voltage High
Rising Time
Falling Time
Parameter
Input Threshold Voltage Rising Edge
Threshold Voltage Hysteresis
Upper Clamp Voltage
Lower Clamp Voltage
Maximum Delay from ZCD to Output Turn-On
Restart Time
Inhibit Time (Maximum Switching Frequency Limit) R
Disable Threshold
ZCD Disable Debounce Time
Parameter
MOT Voltage
Maximum On-Time Programming (Resistor Based)
LIMIT
)
- 5 -
Test Condition
V
R
Test Condition
R
V
Test Condition
V
V
V
V
20~80%
V
80~20%
Test Condition
V
V
I
I
V
Output Turned Off by ZCD 300
R
ZCD
ZCD
COMP
MOT
CC
CC
CC
CC
CC
ZCD
ZCD
COMP
MOT
COMP
MOT
MOT
=20V
=15V, I
=14V, I
=12V, C
=12V, C
=3mA
=-0.5mA
=24kΩ
=24kΩ
=24kΩ, ZCD=100mV 800
=24kΩ, V
Increasing
Decreasing
=5V
=5V, F
=5V
O
O
L
L
=100mA
=100mA
=3nF,
=3nF,
SW
CS
=60KHz
=0,
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Min.
0.77
Min.
15.5
8
50
30
Min.
1.9
0.25
8
0
100
1.5
200
Min.
1.25
21
Typ.
1.30
25
Typ.
0.82
400
Typ.
16.5
80
40
Typ.
2.1
0.35
10
500
2.5
250
Product Specification
September 24, 2007
Max.
1.35
27
Max.
0.87
200
550
Max.
17.5
1.4
160
70
Max.
2.3
0.50
12
400
700
3.0
300
SG6961
Unit
V
µs
Unit
V
ns
ns
Unit
V
V
V
ns
ns
Unit
V
V
V
V
ns
µs
µs
mV
µs