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參數(shù)資料
| 型號： | FAN6921MLMY |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 10/23頁 |
| 文件大?。?/td> | 1764K |
| 描述： | IC CTLR PFC/FLYBACK 16-SOICN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 模式： | 臨界傳導(dǎo)（CRM） |
| 電流 - 啟動(dòng)： | 10µA |
| 電源電壓： | 8.5 V ~ 25 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC N |
| 包裝： | 帶卷 (TR) |
?2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6921ML " Rev. 1.0.3
10
Electrical Characteristics (Continued)
V
DD
=15 V, T
A
=-40~105癈 (T
A
=T
J
), unless otherwise specified.
Symbol
Parameter
Conditions
Min.
Typ.
Max. Units
DET Pin OVP and Valley Detection Section
V
DET-OVP
Comparator Reference Voltage
2.45
2.50
2.55
V
Av
Open-Loop Gain
(4)
60
dB
Bw
Gain Bandwidth
(4)
1
MHz
t
DET-OVP
Output OVP (Latched) Debounce Time
100
150
200
祍
I
DET-SOURCE
Maximum Source Current
V
DET
=0 V
1
mA
V
DET-HIGH
Upper Clamp Voltage
I
DET
=-1 mA
5
V
V
DET-LOW
Lower Clamp Voltage
I
DET
=1 mA
0.5
0.7
0.9
V
t
VALLEY-DELAY
Delay from Valley Signal Detected to Output Turn-On
(4)
150
200
250
ns
t
OFF-BNK
Leading-Edge Blanking Time for DET-OVP (2.5 V) and
Valley Signal when PWM MOS Turns Off
(4)
3
4
5
祍
t
TIME-OUT
Time-Out After t
OFF-MIN
8
9
10
祍
PWM Oscillator Section
t
ON-MAX-PWM
Maximum On Time
38
45
52
祍
t
OFF-MIN
Minimum Off Time
V
FB
?V
N
7
8
9
祍
V
FB
=V
G
32
37
42
祍
V
N
Beginning of Green-On Mode at FB Voltage Level
1.95
2.10
2.25
V
V
G
Beginning of Green-Off Mode at FB Voltage Level
1.00
1.15
1.30
V
擵
G
Hysteresis for Beginning of Green-Off Mode at FB
Voltage Level
0.1
V
V
CTL-PFC-OFF
Threshold Voltage on FB to
Disable PFC
RANGE Pin Internally
Open
1.70
1.75
1.80
V
Threshold Voltage on FB to
Disable PFC
RANGE Pin Internally
Ground
1.65
1.70
1.75
V
CTL-PFC-ON
Hysteresis Voltage on FB to
Enable PFC
RANGE Pin Internally
Open
1.95
2.00
2.05
V
Hysteresis Voltage on FB to
Enable PFC
RANGE Pin Internally
Ground
1.75
1.80
1.85
t
PFC-OFF
PFC OFF Debounce Time to
Disable PFC
PFC Status from ON
to OFF
400
500
600
ms
t
INHIB-PFC-OFF
Inhibit Time During t
PFC-OFF
t
PFC-OFF
30
34
38
祍
t
PFC-ON
PFC ON Debounce Time to
Enable PFC
(4)
PFC Status from OFF
to ON
150
祍
t
STARTER-PWM
Start Timer (Time-Out Timer)
V
FB
< V
G
2.0
2.5
3.0
ms
V
FB
> V
FB-OLP
25.5
32.5
39.5
祍
Continued on the following page&
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