參數(shù)資料
型號(hào): FAN6755WMY
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 68 kHz SWITCHING FREQ-MAX, PDSO7
封裝: 0.150 INCH, GREEN, MS-012AA, SOIC-7
文件頁數(shù): 15/17頁
文件大?。?/td> 939K
代理商: FAN6755WMY
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6755W / FAN6755UW Rev. 1.0.5
7
FAN6755W
/
FAN6755UW
mWSaver
Controller
Electrical Characteristics
VDD=15V, TA=25C, unless otherwise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
Oscillator Section
fOSC
Frequency in Normal Mode
Center
Frequency
FAN6755W
62
65
68
KHz
FAN6755UW
124
130
136
Hopping
Range
FAN6755W
±4.5
±5.2
±5.9
FAN6755UW
±9
±10.4
±11.8
fOSC-G
Green-Mode Frequency
20
23
26
KHz
tHOP
Hopping Period
10.00
12.00
14.00
ms
fDV
Frequency Variation vs. VDD
Deviation
VDD=11V to 22V
5
%
fDT
Frequency Variation vs.
Temperature Deviation
TA=-40 to 85C=TJ
5
%
VIN Section
VIN-OFF
PWM Turn-Off Threshold Voltage
0.66
0.70
0.74
V
VIN-ON
PWM Turn-On Threshold Voltage
VIN-OFF+
0.17
VIN-OFF+
0.20
VIN-OFF+
0.23
V
VIN-Protect
PWM Protect Threshold Voltage
5.1
5.3
5.5
V
tVIN-Protect
PWM Protect Debounce Time
60
100
140
s
Current-Sense Section
VTH-P at
VIN=1V
Threshold Voltage for Current Limit
VIN=1V
0.80
0.83
0.86
V
VTH-P at
VIN=3V
Threshold Voltage for Current Limit
VIN=3V
0.67
0.70
0.73
V
tPD
Delay to Output
100
200
ns
tLEB
Leading-Edge Blanking Time
Soft-Start (FAN6755UW)
125
150
175
ns
Steady State
240
290
340
tSS
Period During Soft-Start Time
Startup Time
4.0
5.5
7.0
ms
Figure 6.
VIN vs. VSENSE
Continued on the following page…
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