FDS8670 Fairchild Semiconductor, FDS8670 Datasheet - Page 3

• Manufacturer Part Number: FDS8670
• Description: MOSFET N-CH 30V 21A 8-SOIC
• Manufacturer: Fairchild Semiconductor
• Series: PowerTrench®r

Specifications of FDS8670

• Fet Type: MOSFET N-Channel, Metal Oxide
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 3.7 mOhm @ 21A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 21A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 82nC @ 10V
• Input Capacitance (ciss) @ Vds: 4040pF @ 15V
• Power - Max: 1W
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Configuration: Single Quad Drain Triple Source
• Transistor Polarity: N-Channel
• Resistance Drain-source Rds (on): 0.0037 Ohm @ 10 V
• Forward Transconductance Gfs (max / Min): 118 S
• Drain-source Breakdown Voltage: 30 V
• Gate-source Breakdown Voltage: +/- 20 V
• Continuous Drain Current: 21 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: FDS8670TR

Typical Characteristics
105
70
35
87.5
52.5
17.5
105
0
1.6
1.4
1.2
0.8
0.6
70
35
Figure 3. On-Resistance Variation with
1
0
1
-50
Figure 1. On-Region Characteristics.
0
Figure 5. Transfer Characteristics.
V
DS
V
V
I
D
GS
= 5V
GS
6.0V
= 21A
-25
= 10V
= 10V
1.5
V
GS
T
0.5
V
0
J
, GATE TO SOURCE VOLTAGE (V)
, JUNCTION TEMPERATURE (
DS
Temperature.
T
4.5V
, DRAIN-SOURCE VOLTAGE (V)
A
=125
3.5V
25
2
o
C
50
1
3.0V
25
2.5
2.5V
o
75
C
-55
o
C
100
o
1.5
C)
3
125
150
3.5
2
Figure 6. Body Diode Forward Voltage Variation
0.0001
0.001
0.011
0.008
0.005
0.002
1000
0.01
100
0.1
10
3.4
2.8
2.2
1.6
0.4
1
Figure 2. On-Resistance Variation with
Figure 4. On-Resistance Variation with
with Source Current and Temperature.
1
0
2
0
V
T
Drain Current and Gate Voltage.
GS
A
= 25
= 0V
V
GS
o
3.0V
Gate-to-Source Voltage.
0.2
C
= 2.5V
V
SD
T
V
, BODY DIODE FORWARD VOLTAGE (V)
A
GS
4
= 125
, GATE TO SOURCE VOLTAGE (V)
3.5V
T
0.4
35
o
I
A
D
C
, DRAIN CURRENT (A)
= 125
4.0V
o
C
25
6
0.6
o
C
4.5V
70
0.8
-55
6.0V
o
8
C
FDS8670 Rev D1 (W)
I
D
= 10.5A
1
10V
105
10
1.2