FDS6994S Fairchild Semiconductor, FDS6994S Datasheet - Page 6

• Manufacturer Part Number: FDS6994S
• Description: MOSFET N-CH DUAL 30V 8SOIC
• Manufacturer: Fairchild Semiconductor
• Series: PowerTrench®, SyncFET™r

Specifications of FDS6994S

• Fet Type: 2 N-Channel (Dual)
• Fet Feature: Logic Level Gate
• Rds On (max) @ Id, Vgs: 21 mOhm @ 6.9A, 10V
• Drain To Source Voltage (vdss): 30V
• Current - Continuous Drain (id) @ 25° C: 6.9A, 8.2A
• Vgs(th) (max) @ Id: 3V @ 250µA
• Gate Charge (qg) @ Vgs: 12nC @ 5V
• Input Capacitance (ciss) @ Vds: 800pF @ 15V
• 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): 0.021 Ohm @ 10 V @ Q1
• Drain-source Breakdown Voltage: 30 V
• Gate-source Breakdown Voltage: +/- 16 V
• Continuous Drain Current: 6.9 A @ Q1 or 8.2 A @ Q2
• 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 for Q1
1.6
1.4
1.2
0.8
0.6
1
Figure 13. On-Resistance Variation with
20
15
10
20
15
10
-50
5
0
5
0
Figure 11. On-Region Characteristics.
1.5
Figure 15. Transfer Characteristics.
0
V
V
I
V
D
GS
GS
DS
= 6.9A
-25
= 10V
= 10V
= 5V
2
V
V
0
DS
GS
0.5
T
, DRAIN TO SOURCE VOLTAGE (V)
, GATE TO SOURCE VOLTAGE (V)
J
, JUNCTION TEMPERATURE (
Temperature.
3.5V
T
4.5V
25
A
= 125
3.0V
2.5
o
C
50
1
3
75
o
C)
-55
100
1.5
o
25
C
3.5
o
C
125
150
4
2
Figure 16. Body Diode Forward Voltage Variation
0.0001
0.001
0.075
0.025
2.2
1.8
1.6
1.4
1.2
0.8
Figure 12. On-Resistance Variation with
Figure 14. On-Resistance Variation with
0.01
0.05
100
with Source Current and Temperature.
0.1
2
1
10
1
0
0
0
2
Drain Current and Gate Voltage.
V
V
GS
GS
= 3.5V
= 0V
Gate-to-Source Voltage.
0.2
V
SD
V
, BODY DIODE FORWARD VOLTAGE (V)
GS
5
4
, GATE TO SOURCE VOLTAGE (V)
4.0V
T
T
T
I
A
A
A
0.4
D
, DRAIN CURRENT (A)
= 125
= 125
= 25
4.5V
o
C
o
o
C
C
10
0.6
6
25
6.0V
o
C
0.8
-55°C
15
8
I
D
10V
1
FDS6994S Rev C2(W)
= 3.5A
10
1.2
20