FSFR1700 查看數據表（PDF） - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
FSFR1700 Datasheet PDF : 17 Pages
| |||
Electrical Characteristics (Continued)
TA=25°C unless otherwise specified.
Symbol
Parameter
Test Conditions
Specifications
Min Typ Max
Oscillator & Feedback Section
VCONDIS Control Pin Disable Threshold Voltage
VCONEN Control Pin Enable Threshold Voltage
VRT V-I Converter Threshold Voltage
fOSC Output Oscillation Frequency
DC Output Duty Cycle
fSS Internal Soft-Start Initial Frequency
tSS Internal Soft-Start Time
Protection Section
IOLP OLP Delay Current
VOLP OLP Protection Voltage
VOVP LVCC Over-Voltage Protection
VAOCP AOCP Threshold Voltage
tBAO AOCP Blanking Time(5)
RT=5.2KΩ
fSS=fOSC+40kHz,
RT=5.2KΩ
VCON=4V
VCON > 3.5V
L-Vcc > 21V
ΔV/Δt=-0.1V/µs
VCS < VAOCP;
ΔV/Δt=-0.1V/µs
0.36 0.40 0.44
0.54 0.60 0.66
1.5 2.0 2.5
94 100 106
48
50
52
140
2
3
4
3.6 4.8 6.0
4.5 5.0 5.5
21
23
25
-1.0 -0.9 -0.8
50
VOCP OCP Threshold Voltage
V/Δt=-1V/µs
-0.64
tBO OCP Blanking Time(5)
VCS < VOCP;
ΔV/Δt=-1V/µs
1.0
tDA
Delay Time (Low Side) Detecting from VAOCP
to Switch Off(5)
ΔV/Δt=-1V/µs
TSD Thermal Shutdown Temperature(5)
110
ISU
Protection Latch Sustain LVCC Supply
Current
LVcc=7.5V
VPRSET Protection Latch Reset LVCC Supply Voltage
5
Dead-Time Control Section
DT
Dead Time(6)
Notes:
5. This parameter, although guaranteed, is not tested in production.
6. These parameters, although guaranteed, are tested only in EDS (wafer test) process.
-0.58
1.5
250
130
100
350
-0.52
2.0
400
150
150
Unit
V
V
V
KHz
%
KHz
ms
μA
V
V
V
ns
V
μs
ns
°C
μA
V
ns
© 2007 Fairchild Semiconductor Corporation
FSFR series • 1.0.3
7
www.fairchildsemi.com
Share Link: 