參數(shù)資料
型號: FSQ0765RQ
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 3.92 A SWITCHING CONTROLLER, 75.8 kHz SWITCHING FREQ-MAX, ZFM6
封裝: ROHS COMPLIANT, TO-220F, 6 PIN
文件頁數(shù): 16/19頁
文件大小: 3321K
代理商: FSQ0765RQ
F
S
Q0765RQ
Green-Mod
eFa
rich
ild
Power
Swit
ch
(FPS)
f
o
rQuasi-Reso
nant
Operation
2008 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSQ0765RQ Rev. 1.0.1
6
Electrical Characteristics
TA = 25°C unless otherwise specified.
Note:
10. Propagation delay in the control IC.
Continued on the following page...
Symbol
Parameter
Condition
Min. Typ. Max. Unit
SENSEFET SECTION
BVDSS
Drain Source Breakdown Voltage
VCC = 0V, ID = 100A
650
V
IDSS
Zero-Gate-Voltage Drain Current
VDS = 520V, VGS = 0V
300
A
RDS(ON)
Drain-Source On-State Resistance
TJ = 25°C, ID = 1.8A
1.3
1.6
Ω
COSS
Output Capacitance
VGS = 0V, VDS = 25V, f = 1MHz
125
pF
td(on)
Turn-On Delay Time
VDD = 325V, ID = 6.5A
27
ns
tr
Rise Time
102
ns
td(off)
Turn-Off Delay Time
63
ns
tf
Fall Time
65
ns
CONTROL SECTION
tON.MAX
Maximum On Time
TJ = 25°C
8.8
10.0
11.2
s
tB
Blanking Time
TJ = 25°C, Vsync = 5V
13.5
15.0
16.5
s
tW
Detection Time Window
TJ = 25°C, Vsync = 0V
6.0
s
fS
Initial Switching Frequency
59.6
66.7
75.8
kHz
ΔfS
Switching Frequency Variation(11)
-25°C < TJ < 85°C
±5
±10
%
tAVS
AVS Triggering
Threshold(11)
On Time
at VIN = 240VDC, Lm = 360μH
(AVS triggered when VAVS>spec
& tAVS<spec.)
4.0
s
VAVS
Feedback
Voltage
1.2
V
tSW
Switching Time Variance by AVS(11)
Sync = 500kHz sine input
VFB = 1.2V, tON = 4.0s
13.5
20.5
s
IFB
Feedback Source Current
VFB = 0V
700
900
1100
A
DMIN
Minimum Duty Cycle
VFB = 0V
0
%
VSTART
UVLO Threshold Voltage
11
12
13
V
VSTOP
After turn-on
7
8
9
V
tS/S
Internal Soft-Start Time
With free-running frequency
17.5
ms
BURST-MODE SECTION
VBURH
Burst-Mode Voltages
TJ = 25°C, tPD = 200ns(10)
0.45
0.55
0.65
V
VBURL
0.25
0.35
0.45
V
Hysteresis
200
mV
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