FAN6921MLMY Fairchild Semiconductor, FAN6921MLMY Datasheet - Page 10

• Manufacturer Part Number: FAN6921MLMY
• Description: TAPE REEL \ Integrated PFC And Flyback Controller
• Manufacturer: Fairchild Semiconductor

Specifications of FAN6921MLMY

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

© 2010 Fairchild Semiconductor Corporation
FAN6921ML • Rev. 1.0.1
Electrical Characteristics
V
DET Pin OVP and Valley Detection Section
PWM Oscillator Section
t
t
t
V
t
I
V
STARTER-PWM
DD
VALLEY-DELAY
INHIB-PFC-OFF
ON-MAX-PWM
DET-SOURCE
Symbol
V
V
CTL-PFC-OFF
V
t
CTL-PFC-ON
t
t
t
t
TIME-OUT
t
=15V, T
DET-OVP
DET-HIGH
OFF-BNK
PFC-OFF
DET-LOW
OFF-MIN
DET-OVP
PFC-ON
ΔV
Bw
Av
V
V
N
G
G
A
=-40~105°C (T
Comparator Reference Voltage
Open-Loop Gain
Gain Bandwidth
Output OVP(Latched) Debounce Time
Maximum Source Current
Upper Clamp Voltage
Lower Clamp Voltage
Delay from Valley Signal Detected to Output Turn-On
Leading-Edge Blanking Time for DET-OVP (2.5V) and
Valley Signal when PWM MOS Turns Off
Time-Out After t
Maximum On Time
Minimum Off Time
Beginning of Green-On Mode at FB Voltage Level
Beginning of Green-Off Mode at FB Voltage Level
Hysteresis for Beginning of Green-Off Mode at FB
Voltage Level
Threshold Voltage on FB to
Disable PFC
Threshold Voltage on FB to
Disable PFC
Hysteresis Voltage on FB to
Enable PFC
Hysteresis Voltage on FB to
Enable PFC
PFC OFF Debounce Time to
Disable PFC
Inhibit Time During t
PFC ON Debounce Time to
Enable PFC
Start Timer (Time-Out Timer)
Parameter
(4)
A
=T
(4)
OFF-MIN
J
(4)
), unless otherwise specified.
PFC-OFF
(Continued)
V
I
I
V
V
RANGE Pin Internally
Open
RANGE Pin Internally
Ground
RANGE Pin Internally
Open
RANGE Pin Internally
Ground
PFC Status from ON
to OFF
t
PFC Status from OFF
to ON
V
V
DET
DET
PFC-OFF
DET
FB
FB
FB
FB
=V
=-1mA
=1mA
≥ V
< V
> V
=0V
Conditions
(4)
G
N
G
FB-OLP
10
(4)
Min.
2.45
1.95
1.00
1.70
1.65
1.95
1.75
25.5
100
150
400
0.5
2.0
38
32
30
3
8
7
Continued on the following page…
Typ.
2.50
2.10
1.15
1.75
1.70
2.00
1.80
32.5
150
200
500
150
0.7
0.1
2.5
60
45
37
34
1
4
9
8
Max.
2.55
2.25
1.30
1.80
1.75
2.05
1.85
39.5
200
250
600
0.9
3.0
10
52
42
38
1
5
5
9
www.fairchildsemi.com
Units
MHz
mA
dB
ms
ms
µs
µs
µs
µs
µs
µs
µs
µs
µs
ns
V
V
V
V
V
V
V
V