FDC6325L データシートの表示（PDF） - Fairchild Semiconductor
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FDC6325L Datasheet PDF : 5 Pages
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Electrical Characteristics (TA = 25°C unless otherwise noted)
Symbol Parameter
Conditions
Min
OFF CHARACTERISTICS
IFL
Forward Leakage Current
ON CHARACTERISTICS (Note 3)
VIN = 8 V, VON/OFF = 0 V
VDROP
Conduction Voltage Drop
VIN = 5 V, VON/OFF = 3.3 V, IL = 1.5 A
VIN = 3.3 V, VON/OFF = 3.3 V, IL = 1.2 A
R(ON)
Q2 - Static On-Resistance
IL
Load Current
VIN = 2.5 V, VON/OFF = 3.3 V, IL = 1 A
VGS = -5 V, ID = -1.8 A
VGS = -3.3 V, ID = -1.6 A
VGS = -2.5 V, ID = -1.5 A
VDROP = 0.13 V, VIN = 5 V, VON/OFF = 3.3 V
1
VDROP = 0.16 V, VIN = 3.3 V, VON/OFF = 3.3 V
1
VDROP = 0.2 V, VIN = 2.5V, VON/OFF = 3.3 V
1
Notes:
1. VIN=8V, VON/OFF=8V, TA=25oC
2. RθJA is the sum of the junction-to-case and case-to-ambient thermal resistance where the case thermal reference is defined as the solder mounting surface
of the drain pins. RθJC is guaranteed by design while RθCA is determined by the user's board design.
3. Pulse Test: Pulse Width < 300µs, Duty Cycle < 2.0%.
Typ
0.15
0.145
0.13
0.115
0.13
0.155
Max
1
0.2
0.2
0.2
0.13
0.16
0.18
Units
µA
V
Ω
A
FDC6325L Load Switch Application
APPLICATION CIRCUIT
Q2
IN
R1
OUT
C1
ON/OFF
Ci
Q1
R2
Co
LOAD
External Component Recommendation
For Co £ 1uF applications:
First select R2, 100 - 1kW, for Slew Rate control. C1 £ 1000pF can be added in addition to R2 for
further In-rush current control.
Then select R1 such that R1/R2 ratio maintains between 10 - 100. R1 is required to turn Q2 off.
For SPICE simulation, users can download a "FDC6325L.MOD" Spice model from Fairchild Web Site
at www.fairchildsemi.com
FDC6325L Rev.D1
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