参数资料
型号: FAN6862TY
厂商: Fairchild Semiconductor
文件页数: 5/16页
文件大小: 0K
描述: IC PWM CTLR GREEN MODE 6-SSOT
标准包装: 1
输出隔离: 隔离
频率范围: 62kHz ~ 68kHz
输入电压: 9.5 V ~ 24 V
功率(瓦特): 300mW
工作温度: -40°C ~ 105°C
封装/外壳: SOT-23-6
供应商设备封装: 6-SSOT
包装: 标准包装
其它名称: FAN6862TYDKR
Electrical Characteristics
V DD = 15V and T A = 25°C unless otherwise noted.
Symbol
Parameter
Test Condition
Min.
Typ.
Max. Unit
V DD Section
V DD-OP
Continuously Operating Voltage
24
V
V DD-ON
V DD-OFF
V DD-LH
I DD-ST
I DD-OP
I DD-BM
V DD-OVP
t D-VDDOVP
I DD-LH
Turn-on Threshold Voltage
Turn-off Voltage
Threshold voltage for Latch-Off release
Startup Current
Normal Operating Supply Current
Green-Mode Operating Supply Current
V DD Over-Voltage Protection
V DD OVP Debounce Time
Latch-Off Holding Current
V DD-ON –0.16V
C L =1nF
GATE open, V FB =V FB-G
V DD =5V
15
7.5
3
24
16
8.5
4
8
3
25
30
40
17
9.5
5
30
4
2.5
26
50
65
V
V
V
μ A
mA
mA
V
μ s
μ A
Feedback Input Section
A V
Z FB
V FB-OPEN
V FB-OLP
t D-OLP
Input-Voltage to Current-Sense Attenuation
Input Impedance
FB Pin Open Voltage
Threshold Voltage for Open-Loop
Protection
Open-Loop Protection Delay Time
1/4.0
5.0
4.3
53
1/3.5
5.5
5.2
4.6
56
1/3.0
5.4
4.9
60
V/V
k ?
V
V
ms
Current Sense Section
t PD
Delay to Output
100
250
ns
t LEB
Leading-Edge Blanking Time
270
360
ns
V STHFL
V STHVA
V SLOPE
t SOFT-START
Flat Threshold Voltage for Current Limit
Valley Threshold Voltage for Current Limit
Slope Compensation
Period During Startup time
Duty>51%
Duty=0%
Duty=DCY MAX
0.47
0.41
2.50
0.50
0.44
0.273
4.00
0.53
0.47
5.25
V
V
V
ms
Oscillator Section
Center
Frequency
V FB >V FB-N
62
65
68
f OSC
Normal PWM Frequency
Hopping Range
V FB ≥ V FB-N
± 3.7
± 4.2
± 4.7
kHz
Hopping Range *1 V FB =V FB-G
± 2.9
Hopping Period 1
Hopping Period 3
t hop-1
t hop-3
*1
*1
V FB ≥ V FB-N
V FB =V FB-G
4.4
11.5
ms
ms
f OSC-G
V FB-N
V FB-G
V FB-ZDC
Green Mode Minimum Frequency
FB Threshold Voltage For Frequency
Reduction
FB Voltage at f OSC-G
FB Threshold Voltage for Zero Duty
18.0
2.0
1.9
22.5
2.2
2.1
1.7
25.0
2.4
2.3
kHz
V
V
V
f DV
f DT
Frequency Variation vs. V DD Deviation
Frequency Variation vs. Temperature
Deviation
V DD =11.5V to 20V
T A = -40 to +105°C
0
0.02
2.00
2
%
%
Continued on the following page…
? 2009 Fairchild Semiconductor Corporation
FAN6862 ? Rev. 1.0.3
5
www.fairchildsemi.com
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