FDS6894A Fairchild Semiconductor, FDS6894A Datasheet - Page 3

• Manufacturer Part Number: FDS6894A
• Description: MOSFET N-CH DUAL 20V 8A 8SOIC
• Manufacturer: Fairchild Semiconductor
• Series: PowerTrench®r

Specifications of FDS6894A

• Fet Type: 2 N-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 17 mOhm @ 8A, 4.5V
• Drain To Source Voltage (vdss): 20V
• Current - Continuous Drain (id) @ 25° C: 8A
• Vgs(th) (max) @ Id: 1.5V @ 250µA
• Gate Charge (qg) @ Vgs: 24nC @ 4.5V
• Input Capacitance (ciss) @ Vds: 1676pF @ 10V
• Power - Max: 900mW
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Configuration: Dual Dual Drain
• Transistor Polarity: N-Channel
• Resistance Drain-source Rds (on): 0.017 Ohm @ 4.5 V
• Forward Transconductance Gfs (max / Min): 44 S
• Drain-source Breakdown Voltage: 20 V
• Gate-source Breakdown Voltage: +/- 8 V
• Continuous Drain Current: 8 A
• Power Dissipation: 2000 mW
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Characteristics
30
25
20
15
10
50
40
30
20
10
1.6
1.4
1.2
0.8
0.6
5
0
0
Figure 3. On-Resistance Variation with
1
0.5
0
Figure 1. On-Region Characteristics.
-50
V
Figure 5. Transfer Characteristics.
GS
V
DS
V
3.0V
= 4.5V
GS
I
= 5V
D
-25
0.5
= 8A
= 4.5V
0.8
V
V
DS
GS
T
0
, DRAIN TO SOURCE VOLTAGE (V)
J
, GATE TO SOURCE VOLTAGE (V)
1
, JUNCTION TEMPERATURE (
Temperature.
2.5V
25
1.1
1.5
50
2.0V
2
1.4
75
T
2.5
A
= -55
1.8V
100
o
C)
1.7
o
C
3
125
125
25
o
C
o
C
3.5
150
2
Figure 6. Body Diode Forward Voltage Variation
0.0001
0.045
0.035
0.025
0.015
0.001
0.04
0.03
0.02
0.01
0.01
1.8
1.6
1.4
1.2
0.8
Figure 2. On-Resistance Variation with
Figure 4. On-Resistance Variation with
0.1
with Source Current and Temperature.
10
2
1
1
0
1
0
Drain Current and Gate Voltage.
T
V
A
GS
= 25
V
GS
= 0V
Gate-to-Source Voltage.
o
= 1.8V
C
V
10
0.2
SD
V
, BODY DIODE FORWARD VOLTAGE (V)
T
GS
2
A
, GATE TO SOURCE VOLTAGE (V)
= 125
2.0V
I
D
T
, DIRAIN CURRENT (A)
A
o
= 125
C
20
0.4
2.5V
o
C
25
3
o
C
3.0V
30
0.6
-55
o
3.5V
C
4
40
0.8
FDS6894A Rev C (W)
I
D
4.5V
= 4A
50
1
5