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October 2008  
FDS4897AC  
Dual N & P-Channel PowerTrench

®

MOSFET  
N-Channel: 40 V, 6.1 A, 26 m
Ω
P-Channel: -40 V, -5.2 A, 39 m
Ω  
Features  
General Description  
Q1: N-Channel  
These dual N- and P-Channel MOSFETs are produced using  
Fairchild Semiconductor’s advanced PowerTrench

®

process  
that has been especially tailored to minimize on-state resistance  
and yet maintain superior switching performance.  
„
Max r

DS(on)

= 26 m
Ω
at V

GS

= 10 V, I

D

= 6.1 A  
„
Max r

DS(on)

= 31 m
Ω
at V

GS

= 4.5 V, I

D

= 5.6 A  
Q2: P-Channel  
„
Max r

DS(on)

= 39 m
Ω
at V

GS

= -10
V
,
I

D

= -5.2 A  
Applications  
„
Inverter  
„
Max r

DS(on)

= 65 m
Ω
at V

GS

= -4.5
V
,
I

D

= -4.1 A  
„
100% UIL
T
e
sted  
„
Power Supplies  
„
RoHS Compliant  
D2  
Q2  
D2  
G2  
S2  
D2  
D2  
5
6
4
3
2
1
D1  
D1  
Q1  
G2  
G1  
S1  
D1  
D1  
7
8
S2  
G1  
S1  
Pin 1  
SO-8  
MOSFET Maximum Ratings
T

A

= 25 °C unless otherwise noted  
Symbol  
V

DS  

V

GS  

Parameter  
Q1  
40  
Q2  
Units  
Drain to Source Voltage  
Gate to Source Voltage  
Drain Current – Continuous  
– Pulsed  
-40  
±20  
-5.2  
-24  
V
V
±20  
6.1  
24  
I

D  

A
Power Dissipation for Dual Operation  
Power Dissipation for Single Operation  
2.0  
1.6  
0.9  
P

D  

T

A

= 25 °C
 
(Note 1a)  
T

A

= 25 °C
 
(Note 1b)  
(Note 3)  
W
E

AS  

Single Pulse Avalanche Energy  
37  
73  
mJ  
°C  
T

J

, T

STG  

Operating and Storage Junction
T
e
mperature Range  
-55 to +150  
Thermal Characteristics  
R

θ
JC  

R

θ
JC  

Thermal Resistance, Junction to Case,  
Thermal Resistance, Junction to Ambient,  
(Note 1)  
40  
78  
°C/W  
(Note 1a)  
Package Marking and Ordering Information  
Device Marking  
Device  
Package  
Reel Size  
Tape Width  
12 mm  
Quantity  
FDS4897AC  
FDS4897AC  
SO-8  
13 ”  
2500 units  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
1

Electrical Characteristics
T

J

= 25 °C unless otherwise noted  
Symbol  
Parameter  
Test Conditions  
Type  
Min  
Typ  
Max Units  
Off Characteristics  
I
I

D

= 250
µ
A, V

GS

= 0 V  

D

= -250
µ
A, V

GS

= 0 V  
Q1  
Q2  
40  
-40  
BV

DSS  

Drain to Source Breakdown Voltage  
V
∆
BV

DSS  

∆
T

J  

Breakdown Voltage
T
e
mperature  
Coefficient  
I

D

= 250
µ
A, referenced to 25 °C  

D

= -250
µ
A, referenced to 25 °C  
Q1  
Q2  
37  
-32  
mV/°C  
I
V
V

DS

= 32 V,
 
V

GS

= 0 V  

DS

= -32 V,
 
V

GS

= 0 V  
Q1  
Q2  
1
I

DSS  

I

GSS  

Zero Gate Voltage Drain Current  
Gate to Source Leakage Current  
µ
A  
-1  
Q1  
Q2  
±100  
±100  
nA  
nA  
V

GS

= ±20 V, V

DS

= 0 V  
On Characteristics  
V
V

GS

= V

DS

, I

D

= 250
µ
A  

GS

= V

DS

, I

D

= -250
µ
A  
Q1  
Q2  
1.5  
-1.5  
2.0  
-2.0  
3.0  
-3.0  
V

GS(th)  

Gate to Source Threshold Voltage  
V
∆
V

GS(th)  

∆
T

J  

Gate to Source Threshold Voltage  
T
e
mperature Coefficient  
I

D

= 250
µ
A, referenced to 25 °C  

D

= -250
µ
A, referenced to 25 °C  
V

GS

= 10 V,
 
I

D

= 6.1 A  
Q1  
Q2  
-6  
6
mV/°C  
I
20  
24  
30  
26  
31  
39  
V
V

GS

= 4.5 V,
 
I

D

= 5.6 A  

GS

= 10 V,
 
I

D

= 6.1 A, T

J

= 125 °C  
Q1  
Q2  
r

DS(on)  

Static Drain to Source On Resistance  
m
Ω  
V
V
V

GS

= -10
V
,
 
I

D

= -5.2 A  

GS

= -4.5
V
,
 
I

D

= -4.1 A  

GS

= -10
V
,
 
I

D

= -5.2 A, T

J

= 125 °C  
28  
45  
41  
39  
65  
57  
V
V

DD

= 5 V,
 
I

D

= 6.1 A  

DD

= -5 V,
 
I

D

= -5.2 A  
Q1  
Q2  
24  
14  
g

FS  

Forward Transconductance  
S
Dynamic Characteristics  
Q1  
Q2  
795  
765  
1055  
1015  
Q1  
C

iss  

C

oss  

C

rss  

R

g  

Input Capacitance  
pF  
pF  
pF  
Ω
V

DS

= 20 V, V

GS

= 0
V
, f = 1
M
HZ  
Q1  
Q2  
95  
135  
130  
180  
Output Capacitance  
Reverse Transfer Capacitance  
Gate Resistance  
Q2  
V

DS

= -20 V, V

GS

= 0 V, f = 1 MHZ  
Q1  
Q2  
65  
80  
100  
120  
Q1  
Q2  
1.7  
3.6  
Switching Characteristics  
Q1  
Q2  
6
8
12  
15  
t

d(on)  

t

r  

t

d(off)  

t

f  

Turn-On Delay Time  
Rise Time  
ns  
ns  
Q1  
V
V

DD

= 20 V, I

D

= 6.1 A,  

GS

= 10 V, R

GEN

= 6
Ω  
Q1  
Q2  
2
3
10  
10  
Q1  
Q2  
17  
17  
30  
30  
Q2  
Turn-Off Delay Time  
Fall Time  
ns  
V

DD

= -20
V
,
I

D

= -5.2 A,  
Q1  
Q2  
2
3
10  
10  
V

GS

= -10
V
,
R

GEN

= 6
Ω  
ns  
Q1  
Q2  
15  
15  
21  
20  
Q

g(TOT)  

Q

gs  

Q

gd  

T
o
tal Gate Charge  
Gate to Source
 
Charge  
Gate to Drain “Miller” Charge  
nC  
nC  
nC  
Q1  
V

GS

= 10 V, V

DD

= 20 V, I

D

= 6.1 A  
Q1  
Q2  
2.5  
2.6  
Q2  
Q1  
Q2  
2.9  
3.2  
V

GS

= -10
V
,
V

DD

= -20
V
,
I

D

= -5.2 A  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
2

Electrical Characteristics
T

J

= 25 °C unless otherwise noted  
Symbol  
Parameter  
Test Conditions  
Type  
Min  
Typ  
Max Units  
Drain-Source Diode Characteristics  
V
V

GS

= 0 V, I

S

= 1.3 A  

GS

= 0 V, I

S

= -1.3 A  
(Note 2)
 
Q1  
(Note 2)
 
Q2  
0.75  
-0.76  
1.2  
V
V

SD  

t

rr  

Source to Drain Diode
 
Forward Voltage  
Reverse Recovery Time  
-1.2  
Q1  
Q2  
17  
20  
31  
ns  
36  
Q1  
I

F

= 6.1 A, di/dt = 100 A/s  
Q2  
I

F

= -5.2 A, di/dt = 100 A/s  
Q1  
Q2  
7
10  
15  
nC  
20  
Q

rr  

Reverse Recovery Charge  
Notes:  
2
1:  
R
is determined with the device mounted on a 1in
 
pad 2 oz copper pad on a 1.5 x 1.5 in. board of FR-4 material. R  
is guaranteed by design while R  
is determined by  
θ
JA  
θ
JC  
θ
CA  
the user’s board design.  
a) 78 °C/W when  
mounted on a
 
1 in  
pad of 2 oz copper  
b) 135 °C/W when  
mounted on a  
minimun pad  
2
2:
Pulse Test: Pulse Width < 30
0
µ
s, Duty cycle < 2.0%.  
3:
Starting T
 
= 25 °C, N-ch: L = 3 mH, I
 
= 5 A, V
 
= 40 V, V
 
= 10 V;
 
P-ch: L = 3 mH, I
 
= -7 A, V
 
= -40 V, V
 
= -10 V.  
J
AS  
DD  
GS  
AS  
DD  
GS  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
3

Typical Characteristics (Q1 N-Channel)
T

J

= 25 °C unless otherwise noted  
24  
20  
16  
12  
8
5
4
3
2
V

GS

= 10 V  
V

GS

= 4.5 V  
V

GS

= 4 V  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 3 V  
V

GS

= 3.5 V  
V

GS

= 3.5 V  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 4.5 V  
V

GS

= 4 V  
4
V

GS

= 3 V  
1
V

GS

= 10 V  
20 24  
0
0.0  
0.5  
0.5  
1.0  
1.5  
2.0  
0
4
8
12  
16  
V

DS

DRAIN TO SOURCE VOLTAGE (V)  
,
I

D

,
DRAIN CURRENT (A)  
Figure 1.
 
On Region Characteristics  
Figur
e
2
. N
 
o r m a l i z e d O n – R e s i s ta n c e  
vs Drain Current and Gate Voltage  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
80  
I

D

= 6.1 A  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 10 V  
70  
60  
50  
40  
30  
20  
10  
I

D

= 6.1 A  
T

J

= 125

o  

C
T

J

= 25

o

C  
6
-75 -50 -25  
0
25 50 75
 
100 125 150  

o

C  
2
4
8
10  
V

GS

,
GATE TO SOURCE VOLTAGE (V)  
T

J

JUNCTION TEMPERATURE  
,
(
)
Figure 3. Normalized On Resistance  
vs Junction Temperature  
Figur
e
4
. On-Resistance
 
vs Gate to  
Source Voltage  
24  
20  
16  
12  
8
40  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 0 V  
10  
V

DS

= 5 V  
T

J

= 150

o  

C
1
T

J

= 25

o

C  
T

J

= 150

o

C  
T

J

= 25

o

C  
0.1  
T

J

= -55

o

C  
T

J

= -55

o  

C
0.01  
0.001  
4
0
1
2
3
4
0.0  
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
V

GS

, GATE TO SOURCE VOLTAGE (V)  
V

SD

, BODY DIODE FORWARD VOLTAGE (V)  
Figure 5.
 
Transfer Characteristics  
Figur
e
6
. Source
 
to Drain Diode  
Forward Voltage vs Source Current  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
4

Typical Characteristics (Q1 N-Channel)
T

J

= 25 °C unless otherwise noted  
10  
8
2000  
1000  
I

D

= 6.1 A  
C

iss  

V

DD

= 15 V  
6
V

DD

= 25 V  
C

oss  

V

DD

= 20 V  
100  
4
C

rss  

2
f = 1 MHz  
= 0 V  
V
GS  
0
10  
0.1  
0
4
8
Q ,
 
GATE CHARGE (nC)  
12  
16  
1
10  
40  
V

DS

, DRAIN TO SOURCE VOLTAGE (V)  
g
Figure 7.
 
Gate Charge Characteristics  
Figur
e
8
. C
 
a p a c i t a n c e v s D r a i n  
to Source Voltage  
10  
7
6
5
4
3
2
1
0
9
8
7
6
5
V

GS

= 10 V  
4
3
V

GS

= 4.5 V  
T

J

= 25

o  

C
T

J

= 125

o

C  
2
R

θ
JA

= 78

o

C/W  
1
0.01  
25  
50  
T

C  

75  
100  
125  

o

C  
150  
0.1  
1
10 20  
t

AV

, TIME IN AVALANCHE (ms)  
,
AMBIENT TEMPERATURE  
(
)
Figur
e
9
. U
 
n c l a m p e d I n d u c t i v e  
Switching Capability  
Figur
e
1
0. Maximum Continuous Drain  
Current vs
 
Ambient Temperature  
30  
10  
1000  
V

GS

= 10 V  
100 us  
SINGLE PULSE  
R

θ

JA

= 135

o

C/W  

A

= 25

o

C  
100  
10  
1 ms  
1
T
10 ms  
100 ms  
THIS AREA IS  
LIMITED BY r

DS(on)  

SINGLE PULSE  
T

J

= MAX RATED  
R

θ

JA

= 135

o

C/W  
T

A

= 25

o

C  
0.1  
1 s  
10 s  
DC  
1
0.01  
0.01  
0.5  
10

-4  

10

-3  

10

-2  

t, PULSE WIDTH (sec)  
10

-1  

1
10  
200  
0.1  
1
10  
100  
100 1000  
V

DS

, DRAIN to SOURCE VOLTAGE (V)  
Figure 11.
 
Forward Bias Safe  
Operating Area  
Figur
e
1
2. Single Pulse
 
Maximum  
Power Dissipation  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
5

Typical Characteristics (Q1 N-Channel)
T

J

= 25 °C unless otherwise noted  
2
1
DUTY CYCLE-DESCENDING ORDER  
D = 0.5  
0.2  
0.1  
0.1  
0.05  
0.02  
0.01  
P
DM  
t
1
0.01  
0.001  
t
SINGLE PULSE  
R

θ

JA

= 135

o

C/W  
2
NOTES:  
DUTY FACTOR: D = t /t  
1
2
(
Note 1b
)  
PEAK T
 
= P  
J
x Z  
x R  
+ T  
θ
JA
A  
DM  
θ
JA  
10

-4  

10

-3  

10

-2  

10

-1  

t, RECTANGULAR PULSE DURATION (sec)  
1
10  
100  
1000  
Figure 13.
 
Junction-to-Ambient Transient Thermal Response Curve  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
6

Typical Characteristics (Q2 P-Channel)
T

J

= 25 °C unless otherwise noted  
24  
20  
16  
12  
8
5
4
3
2
V

GS

= -10 V  
V

GS

= -5 V  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= -3.5 V  
V

GS

=
–
4 V  
V

GS

= -4.5 V  
V

GS

= -4 V  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= -4.5 V  
V

GS

= -3.5 V  
V

GS

= -5 V  
4
1
V

GS

= -10 V  
0
0.0  
0.5  
0.5  
-V

DS  

1.0  
1.5  
2.0  
2.5  
3.0  
0
4
8
12  
16  
20  
24  
,
DRAIN TO SOURCE VOLTAGE (V)  
–
I

D

,
DRAIN CURRENT (A)  
Figure 15.
 
On- Region Characteristics  
Figure 16. Normalized on-Resistance vs Drain  
Current and Gate
 
Voltage  
120  
1.8  
PULSE DURATION = 80  
DUTY CYCLE = 0.5% MAX  
µ
s  
I

D

= -5.2 A  

GS

= -10 V  
I

D

= -5.2 A  
V
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
100  
80  
60  
40  
20  
T

J

= 125

o  

C
T

J

= 25

o  

C
2
4
6
8
10  
-75 -50 -25  
T

J  

0
25 50 75
 
100 125 150  
,
JUNCTION TEMPERATURE
( )  

o

C  
-V

GS

, GATE TO SOURCE VOLTAGE (V)  
Figure 18. On-Resistance vs Gate to  
Source Voltage  
Figure 17. Normalized On-Resistance  
vs Junction Temperature  
24  
20  
16  
12  
8
40  
PULSE DURATION = 80
µ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 0 V  
10  
V

DS

= -5 V  
T

J

= 150

o  

C
1
T

J

= 25

o  

C
T

J

= 150

o  

C
0.1  
T

J

= 25

o  

C
T

J

= -55

o  

C
T

J

= -55

o  

C
0.01  
0.001  
4
0
1
2
3
4
5
0.0  
0.2  
0.4  
0.6  
0.8  
1.0  
1.2  
-V

GS

, GATE TO SOURCE VOLTAGE (V)  
-V

SD

, BODY DIODE FORWARD VOLTAGE (V)  
Figure 19. Transfer Characteristics  
Figure 20. Source to Drain Diode  
Forward Voltage vs Source Current  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
7

Typical Characteristics (Q2 P-Channel)
T

J

= 25 °C unless otherwise noted  
10  
8
2000  
1000  
I

D

= -5.2 A  
C

iss  

C

oss  

C

rss  

V

DD

= -15 V  
6
V

DD

= -20 V  
V

DD

= -25 V  
100  
4
2
f = 1 MHz  
= 0 V  
V
GS  
0
10  
0.1  
0
4
8
12  
16  
1
10  
40  
Q

g

, GATE CHARGE (nC)  
-V

DS

, DRAIN TO SOURCE VOLTAGE (V)  
Figure 22. Capacitance vs Drain  
to Source Voltage  
Figure 21. Gate Charge Characteristics  
6
5
4
3
2
1
10  
9
8
7
6
5
4
3
V

GS

= -10 V  
T

J

= 25

o

C  
V

GS

= -4.5 V  
2
T

J

= 125

o  

C
R

θ
JA

= 78

o

C/W  
1
0.1  
0
25  
1
10  
40  
50  
T

C  

75  
100  
125  

o

C  
150  
t

AV

, TIME IN AVALANCHE (ms)  
,
AMBIENT TEMPERATURE  
(
)
Figure 23. Unclamped Inductive  
Switching Capability  
F ig ure 24 . Ma ximum
 
C on tin uo us
 
D rain  
Current vs
 
Ambient Temperature  
1000  
30  
V

GS

= -10 V  
100 us  
10  
100  
10  
1 ms  
SINGLE PULSE  
R

θ

JA

= 135

o

C/W  
THIS AREA IS  
LIMITED BY r

ds(on)  

1
10 ms  
100 ms  
SINGLE PULSE  
0.1  
0.01  
1 s  
T

J

= MAX RATED  
R

θ
JA

= 135

o

C/W  
25

o  

T

A

=
C  
10 s  
DC  
1
0.5  
10

-4  

10

-3  

10

-2  

t, PULSE WIDTH (sec)  
10

-1  

1
10  
100 1000  
0.01  
0.1  
1
10  
100
200  
-V

DS

, DRAIN to SOURCE VOLTAGE (V)  
Figure 25. Forward Bias Safe  
Operating Area  
Figure 26. Single Pulse
 
Maximum Power  
Dissipation  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
8

Typical Characteristics (Q2 P-Channel)
T

J

= 25 °C unless otherwise noted  
2
1
0.1  
DUTY CYCLE-DESCENDING ORDER  
D = 0.5  
0.2  
0.1  
P
0.05  
0.02  
0.01  
DM  
t
1
t
2
0.01  
0.001  
SINGLE PULSE  
R

θ

JA

= 135

o

C/W  
NOTES:  
DUTY FACTOR: D = t /t  
1
2
PEAK T
 
= P  
J
x Z  
x R  
+ T  
θ
JA
A  
DM  
θ
JA  
(
Note 1b
)
 
10

-4  

10

-3  

10

-2  

10

-1  

t, RECTANGULAR PULSE DURATION (sec)  
1
10  
100  
1000  
Figure 27. Junction-to-Ambient Transient Thermal Response Curve  
©2008 Fairchild Semiconductor Corporation  
FDS4897AC Rev.C  
9

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