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FSD1000 Datasheet(PDF) 6 Page - Fairchild Semiconductor

Part No. FSD1000
Description  Combo Fairchild Power Switch (FPS)
Download  20 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FSD1000 Datasheet(HTML) 6 Page - Fairchild Semiconductor

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FSD1000
6
Electrical Characteristics
(Ta=25
°C unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
SENSEFET SECTION
Drain-Source Breakdown Voltage
BVdss
VCC = 0V, ID = 100
µA
700
-
-
V
Off-State Current
Idss
VDS = 560V
-
-
100
µA
On-State Resistance
RDS(ON)
Tj = 25
°C ID = 100mA
-
7.8
9.0
Tj = 100
°C ID = 100mA
-
12.9
15.0
Rising Time 2 (1)
TR2
VDS = 350V, ID = 500mA
-
100
-
ns
Falling Time 2 (1)
TF2
VDS = 350V, lD = 500mA
-
50
-
ns
Leading Edge Blanking(1)
TLEB
-
-
250
-
ns
Pulse-by-pulse current limit
ILIM
With 33
Ω resistor between
ILIM pin and ground pin
0.8
1.0
1.2
A
CONTROL SECTION
Switching Frequency
Fosc
Tj = 25
°C
616773
kHz
Main Feedback Source Current
IFB,MAIN
Ta = 25
°C, VFB,MAIN = 0V
0.6
0.7
0.8
mA
Shutdown Main Delay Current
IDELAY,MAIN
Ta = 25
°C
5V < VFB,MAIN < VSD,MAIN
3.5
5.0
6.5
uA
Aux. Feedback Source Current
IFB,MAIN
Ta = 25
°C, VFB,AUX = 0V
0.3
0.4
0.5
mA
Shutdown Aux. Delay Current
IDELAY,MAIN
Ta = 25
°C
3V < VFB,AUX < VSD,AUX
3.5
5.0
6.5
uA
Maximum Duty Cycle
Dmax
VFB,AUX = 3.5V
1.4V < LS2 < 2V
62
67
72
%
Maximum Duty Cycle
Dmax
VFB,AUX = 3.5V
2V < LS2 < 4.4V
45
50
55
%
Minimum Duty Cycle
Dmin
VFB,AUX = 0V
-
0
0
%
UVLO Threshold Voltage
Vstart
-
12.5
13.5
14.5
V
Vstop
After turn on
8.5
9.5
10.5
V
SOFT START SECTION
Soft Start Current
ISOFT
-
354555
uA
Internal Soft Start Time
TSS
--
10
-
ms
Internal Time Delay
Td
--
30
-
ms
PROTECTION SECTION
Thermal Shutdown Temperature (Tj) (1)
TSD
(Note 1)
140
160
-
°C
Shutdown Main Feedback Voltage
VSD,MAIN
-
6.0
7.0
8.0
V
Shutdown Aux. Feedback Voltage
VSD,AUX
Vfb = 4V
4.0
4.5
5.0
V
OUTPUT SECTION
Rising Time 1 (1)
TR1
Ta = 25
°C, CL = 100pF
-
45
150
ns
Falling Time 1 (1)
TF1
Ta = 25
°C, CL = 100pF
-
35
150
ns


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