FDS4685 Fairchild Semiconductor, FDS4685 Datasheet

MOSFET P-CH 40V 8.2A 8SOIC

FDS4685

Manufacturer Part Number
FDS4685
Description
MOSFET P-CH 40V 8.2A 8SOIC
Manufacturer
Fairchild Semiconductor
Series
PowerTrench®r
Datasheet

Specifications of FDS4685

Fet Type
MOSFET P-Channel, Metal Oxide
Fet Feature
Logic Level Gate
Rds On (max) @ Id, Vgs
27 mOhm @ 8.2A, 10V
Drain To Source Voltage (vdss)
40V
Current - Continuous Drain (id) @ 25° C
8.2A
Vgs(th) (max) @ Id
3V @ 250µA
Gate Charge (qg) @ Vgs
27nC @ 5V
Input Capacitance (ciss) @ Vds
1872pF @ 20V
Power - Max
1.2W
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Configuration
Single Quad Drain Triple Source
Transistor Polarity
P-Channel
Resistance Drain-source Rds (on)
0.027 Ohm @ 10 V
Forward Transconductance Gfs (max / Min)
22 S
Drain-source Breakdown Voltage
40 V
Gate-source Breakdown Voltage
+/- 20 V
Continuous Drain Current
8.2 A
Power Dissipation
2500 mW
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
FDS4685
FDS4685TR

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©2005 Fairchild Semiconductor Corporation
FDS4685 Rev. C(W)
FDS4685
40V P-Channel PowerTrench
Features
■ –8.2 A, –40 V R
■ Fast switching speed
■ High performance trench technology for extremely low
■ High power and current handling capability
Absolute Maximum Ratings
Package Marking and Ordering Information
V
V
I
P
T
Thermal Characteristics
R
R
R
D
Symbol
J
DSS
GSS
D
θ JA
θ JA
θ JC
R
, T
Device Marking
DS(ON)
STG
FDS4685
Drain-Source Voltage
Gate-Source Voltage
Drain Current
Power Dissipation for Single Operation
Operating and Storage Junction Temperature Range
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Case
SO-8
R
D
DS(ON)
DS(ON)
D
Pin 1
D
= 0.027 Ω @ V
= 0.035 Ω @ V
D
- Continuous
- Pulsed
FDS4685
Device
S
S
GS
GS
Parameter
S
= –10 V
= –4.5 V
T
A
G
= 25°C unless otherwise noted
Reel Size
13”
®
1
MOSFET
Applications
■ Power management
■ Load switch
■ Battery protection
General Description
This P-Channel MOSFET is a rugged gate version of Fairchild
Semiconductor’s advanced PowerTrench process. It has been
optimized for power management applications requiring a wide
range of gate drive voltage ratings (4.5V – 20V).
(Note 1a)
(Note 1a)
(Note 1b)
(Note 1c)
(Note 1a)
(Note 1c)
(Note 1)
5
6
7
8
Tape width
12mm
–55 to +150
Ratings
–8.2
125
–40
± 20
–50
2.5
1.4
1.2
50
25
4
3
2
1
www.fairchildsemi.com
Quantity
2500 units
June 2005
Units
° C/W
° C
W
V
V
A

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FDS4685 Summary of contents

Page 1

... Thermal Resistance, Junction-to-Ambient θ Thermal Resistance, Junction-to-Ambient θ Thermal Resistance, Junction-to-Case θ JC Package Marking and Ordering Information Device Marking FDS4685 ©2005 Fairchild Semiconductor Corporation FDS4685 Rev. C(W) ® MOSFET Applications ■ Power management = – –4.5 V ■ Load switch GS ■ Battery protection General Description This P-Channel MOSFET is a rugged gate version of Fairchild Semiconductor’ ...

Page 2

... JC θ 50°C/W when mounted pad copper Scale letter size paper 2. Pulse Test: Pulse Width < 300 µ s, Duty Cycle < 2.0% FDS4685 Rev. C( 25°C unless otherwise noted A Test Conditions = –250 µ –250 µ A, Referenced to 25 ° C ...

Page 3

... T , JUNCTION TEMPERATURE (°C) J Figure 3. On-Resistance Variation with Temperature - 1 GATE TO SOURCE VOLTAGE (V) GS Figure 5. Transfer Characteristics. FDS4685 Rev. C(W) 2.4 2 1.8 -3.5V 1.6 1.4 -3.0V 1.2 1 0.8 2.5 3 3.5 4 4.5 0 Figure 2. On-Resistance Variation with 0.09 0.08 0.07 0.06 0.05 0.04 ...

Page 4

... SINGLE PULSE 0.001 0.0001 0.001 Thermal characterization performed using the conditions described in Note 1c. Transient thermal response will change depending on the circuit board design. FDS4685 Rev. C(W) 2500 V = -10V DS -20V 2000 -30V 1500 1000 500 C 0 ...

Page 5

... PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Preliminary No Identification Needed Obsolete FDS4685 Rev. C(W) IntelliMAX™ POP™ ISOPLANAR™ Power247™ PowerEdge™ LittleFET™ PowerSaver™ MICROCOUPLER™ PowerTrench MicroFET™ ...

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