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FDS6994S 데이터 시트보기 (PDF) - Fairchild Semiconductor

부품명FDS6994S Fairchild
Fairchild Semiconductor Fairchild
상세내역Dual Notebook Power Supply N-Channel PowerTrench® SyncFet™
FDS6994S Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
Typical Characteristics for Q1
20
VGS = 10V
15
4.5V
3.5V
10
5
3.0V
0
0
0.5
1
1.5
2
VDS, DRAIN TO SOURCE VOLTAGE (V)
Figure 11. On-Region Characteristics.
2.2
2
1.8
VGS = 3.5V
1.6
1.4
4.0V
4.5V
1.2
6.0V
1
10V
0.8
0
5
10
15
20
ID, DRAIN CURRENT (A)
Figure 12. On-Resistance Variation with
Drain Current and Gate Voltage.
1.6
ID = 6.9A
VGS = 10V
1.4
1.2
1
0.8
0.6
-50
-25
0
25
50
75
100
125 150
TJ, JUNCTION TEMPERATURE (oC)
Figure 13. On-Resistance Variation with
Temperature.
0.075
0.05
0.025
TA = 125oC
ID = 3.5A
TA = 25oC
0
2
4
6
8
10
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 14. On-Resistance Variation with
Gate-to-Source Voltage.
20
VDS = 5V
15
10
TA = 125oC
5
25oC
-55oC
0
1.5
2
2.5
3
3.5
4
VGS, GATE TO SOURCE VOLTAGE (V)
Figure 15. Transfer Characteristics.
100
VGS = 0V
10
1
0.1
0.01
TA = 125oC
25oC
-55°C
0.001
0.0001
0
0.2
0.4
0.6
0.8
1
1.2
VSD, BODY DIODE FORWARD VOLTAGE (V)
Figure 16. Body Diode Forward Voltage Variation
with Source Current and Temperature.
FDS6994S Rev C2(W)
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General Description
The FDS6994S is designed to replace two single SO-8 MOSFETs and Schottky diode in synchronous DC:DC power supplies that provide various peripheral voltages for notebook computers and other battery powered electronic devices. FDS6994S contains two unique 30V, N-channel, logic level, PowerTrench MOSFETs designed to maximize power conversion efficiency.

Features
• Q2: Optimized to minimize conduction losses
        Includes SyncFET Schottky body diode
  8.2A, 30V RDS(on) = 15 mΩ @ VGS = 10V
               RDS(on) = 17.5 mΩ @ VGS = 4.5V
• Q1: Optimized for low switching losses
        Low gate charge (85.5 nC typical)
  6.9A, 30V RDS(on) = 21 mΩ @ VGS = 10V
               RDS(on) = 26 mΩ @ VGS = 4.5V

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