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: 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
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
t
TIME-OUT
 
Time-Out After t
OFF-MIN
 
8
9
10
PWM Oscillator Section
t
ON-MAX-PWM
    Maximum On Time
38
45
52
t
OFF-MIN
Minimum Off Time
V
FB
 ?V
N
 
7
8
9
V
FB
=V
G
 
32
37
42
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
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
t
PFC-ON
 
PFC ON Debounce Time to
Enable PFC
(4)
 
PFC Status from OFF
to ON
 
150
 
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
Continued on the following page&
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