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PDF 6986S Data sheet ( Hoja de datos )

Número de pieza 6986S
Descripción FDS6986S
Fabricantes Fairchild Semiconductor 
Logotipo Fairchild Semiconductor Logotipo



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No Preview Available ! 6986S Hoja de datos, Descripción, Manual

September 2002
FDS6986S
Dual Notebook Power Supply N-Channel PowerTrenchSyncFET
General Description
The FDS6986S 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. FDS6986S contains two unique
30V, N-channel, logic level, PowerTrench MOSFETs
designed to maximize power conversion efficiency.
The high-side switch (Q1) is designed with specific
emphasis on reducing switching losses while the low-
side switch (Q2) is optimized to reduce conduction
losses. Q2 also includes an integrated Schottky diode
using Fairchild’s monolithic SyncFET technology.
Features
Q2: Optimized to minimize conduction losses
Includes SyncFET Schottky body diode
7.9A, 30V
RDS(on) = 20 m@ VGS = 10V
RDS(on) = 28 m@ VGS = 4.5V
Q1: Optimized for low switching losses
Low gate charge (6.5 nC typical)
6.5A, 30V
RDS(on) = 29 m@ VGS = 10V
RDS(on) = 38 m@ VGS = 4.5V
D
D
D
D
SO-8
Pin 1 SO-8
G
SS
S
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Absolute Maximum Ratings TA = 25°C unless otherwise noted
Symbol
VDSS
VGSS
ID
PD
TJ, TSTG
Parameter
Drain-Source Voltage
Gate-Source Voltage
Drain Current - Continuous
- Pulsed
(Note 1a)
Power Dissipation for Dual Operation
Power Dissipation for Single Operation
(Note 1a)
(Note 1b)
(Note 1c)
Operating and Storage Junction Temperature Range
Thermal Characteristics
RθJA Thermal Resistance, Junction-to-Ambient
RθJC Thermal Resistance, Junction-to-Case
(Note 1a)
(Note 1)
Package Marking and Ordering Information
Device Marking
Device
Reel Size
FDS6986S
FDS6986S
13”
2002 Fairchild Semiconductor Corporation
Q2
5
6
7 Q1
8
4
3
2
1
Q2 Q1
30 30
±20 ±16
7.9 6.5
30 20
2
1.6
1
0.9
-55 to +150
78
40
Units
V
V
A
W
°C
°C/W
°C/W
Tape width
12mm
Quantity
2500 units
FDS6986S Rev C1(W)
datasheet pdf - http://www.DataSheet4U.net/

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6986S pdf
Typical Characteristics: Q2
10
ID =10A
8
6
4
2
0
03
VDS = 5V
15V
10V
6 9 12 15 18 21
Qg, GATE CHARGE (nC)
Figure 7. Gate Charge Characteristics.
100
RDS(ON) LIMIT
10
1
VGS = 10V
0.1 SINGLE PULSE
RθJA = 135oC/W
TA = 25oC
0.01
0.1
100µs
1ms
10ms
100ms
1s
10s
DC
1 10
VDS, DRAIN-SOURCE VOLTAGE (V)
100
Figure 9. Maximum Safe Operating Area.
2000
1600
1200
800
400
0
0
CISS
f = 1MHz
VGS = 0 V
COSS
CRSS
5 10 15 20 25
VDS, DRAIN TO SOURCE VOLTAGE (V)
30
Figure 8. Capacitance Characteristics.
50
40
30
20
10
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0
0.001
0.01
SINGLE PULSE
RθJA = 135°C/W
TA = 25°C
0.1 1 10
t1, TIME (sec)
100 1000
Figure 10. Single Pulse Maximum
Power Dissipation.
FDS6986S Rev C1 (W)
datasheet pdf - http://www.DataSheet4U.net/

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