參數(shù)資料
型號: FAN6754BMLMY
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 69 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, MS-012AA, SOP-8
文件頁數(shù): 13/14頁
文件大?。?/td> 869K
代理商: FAN6754BMLMY
2011 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6754B Rev.1.0.0
8
FAN6754B
Highly
Integrated
Green-Mo
de
PWM
Controller
Electrical Characteristics (Continued)
VDD=15V and TA=25C unless otherwise noted.
Symbol
Parameter
Conditions
Min.
Typ.
Max. Units
Current-Sense Section
tPD
Delay to Output
100
250
ns
tLEB
Leading-Edge Blanking Time
230
280
330
ns
VLimit-L
Current Limit at Low Line (VAC=86V)
VDC=122V, Series R=200k
to HV
0.43
0.46
0.49
V
VLimit-H
Current Limit at High Line (VAC=259V)
VDC=366V, Series R=200k
to HV
0.36
0.39
0.42
V
tSS
Soft-Start Time
Startup Time
7
8
9
ms
GATE Section
DCYMAX Maximum Duty Cycle
86
89
92
%
VGATE-L
Gate Low Voltage
VDD=15V, IO=50mA
1.5
V
VGATE-H
Gate High Voltage
VDD=12V, IO=50mA
8
V
IGATE-SINK Gate Sink Current
(4)
VDD=15V
300
mA
IGATE-
SOURCE
Gate Source Current
(4)
VDD=15V, GATE=6V
250
mA
tr
Gate Rising Time
VDD=15V, CL=1nF
100
ns
tf
Gate Falling Time
VDD=15V, CL=1nF
50
ns
VGATE-
CLAMP
Gate Output Clamping Voltage
VDD=22V
9
13
17
V
RT Section
IRT
Output Current from RT Pin
92
100
108
A
VRTTH1
Over-Temperature Protection Threshold
Voltage
0.7V < VRT < 1.05V, after
12ms Latch Off
1.000
1.035
1.070
V
VRTTH2
VRT < 0.7V, After 100s
Latch Off
0.65
0.70
0.75
tD-OTP1
Over-Temperature Latch-Off Debounce
VRTTH2 < VRT < VRTTH1
FB > VFB-N
13
16
19
ms
VRTTH2 < VRT < VRTTH1
FB < VFB-G
40
51
62
tD-OTP2
VRT< VRTTH2, FB > VFB-N
110
185
260
s
VRT< VRTTH2, FB < VFB-G
320
605
890
Note
:
4.
Guaranteed by design.
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