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July 2010  
FDME1024NZT  
Dual N-Channel PowerTrench

®

MOSFET  
20 V, 3.8 A, 66 m
Ω  
Features  
General Description  
„
Max r

DS(on)

= 66 m
Ω
at V

GS

= 4.5 V, I

D

= 3.4 A  
„
Max r

DS(on)

= 86 m
Ω
at V

GS

= 2.5 V, I

D

= 2.9 A  
„
Max r

DS(on)

= 113 m
Ω
at V

GS

= 1.8
V
,
I

D

= 2.5 A  
„
Max r

DS(on)

= 160 m
Ω
at V

GS

= 1.5 V, I

D

= 2.1 A  
This device is designed specifically as a single package solution  
for dual switching requirement in cellular handset and other  
ultra-portable applications. It features two independent  
N-Channel MOSFETs with low on-state resistance for minimum  
conduction losses.  
„
Low profile:
 
0.55 mm maximum in the new package  
MicroFET 1.6×1.6
Thin  
The MicroFET 1.6×1.6
Thin
package offers exceptional thermal  
performance for it’s physical size and is well suited to switching  
and linear mode applications.  
„
Free from halogenated compounds and antimony oxides  
„
HBM ESD protection level > 1600 V (Note 3)  
„
RoHS Compliant  
Applications  
„
Baseband Switch  
„
Load Switch  
D2  
G1  
S1  
D2  
Pin 1  
D1  
S2  
G2  
D1  
BOTTOM  
TOP  
MicroFET 1.6×1.6 Thin  
MOSFET Maximum Ratings
T

A

= 25 °C unless otherwise noted  
Symbol  
V

DS  

V

GS  

Parameter  
Ratings  
Units  
Drain to Source Voltage  
Gate to Source Voltage  
Drain Current
 
-Continuous  
-Pulsed  
20  
V
V
±8  
T

A

= 25 °C  
(Note 1a)  
3.8  
I

D  

A
6
1.4  
Power Dissipation for Single Operation  
Power Dissipation for Single Operation  
T

A

= 25 °C  
T

A

= 25 °C  
(Note 1a)  
(Note 1b)  
P

D  

W
0.6  
T

J

, T

STG  

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

θ
JA  

R

θ
JA  

Thermal Resistance, Junction to Ambient (Single Operation)  
Thermal Resistance, Junction to Ambient (Single Operation)  
(Note 1a)  
(Note 1b)  
90  
°C/W  
195  
Package Marking and Ordering Information  
Device Marking  
Device  
Package  
Reel Size  
7 ’’  
Tape Width  
8 mm  
Quantity  
4T  
FDME1024NZT  
MicroFET 1.6×1.6
Thin  
5000 units  
©2010 Fairchild Semiconductor Corporation  
FDME1024NZT Rev.C1  
1

Electrical Characteristics
T

J

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

DSS  

Drain to Source Breakdown Voltage  
I

D

= 250
μ
A, V

GS

= 0 V  
20  
V
Δ
BV

DSS  

Δ
T

J  

Breakdown Voltage
T
e
mperature  
Coefficient  
I

D

= 250
μ
A, referenced to 25 °C  
16  
mV/°C  
I

DSS  

I

GSS  

Zero Gate Voltage Drain Current  
Gate to Source Leakage Current  
V

DS

= 16 V, V

GS

= 0 V  
V

GS

= ±8 V, V

DS

= 0 V  
1
μ
A  
μ
A  
±10  
On Characteristics  
V

GS(th)  

Gate to Source Threshold Voltage  
V

GS

= V

DS

, I

D

= 250
μ
A  
0.4  
0.7  
-3  
1.0  
V
Δ
V

GS(th)  

Δ
T

J  

Gate to Source Threshold Voltage  
T
e
mperature Coefficient  
I

D

= 250
μ
A, referenced to 25 °C  
mV/°C  
V

GS

= 4.5 V,
 
I

D

= 3.4 A  
55  
68  
85  
106  
76  
9
66  
86  
V

GS

= 2.5 V,
 
I

D

= 2.9 A  
r

DS(on)  

Static Drain to Source On Resistance  
Forward Transconductance  
V

GS

= 1.8 V,
 
I

D

= 2.5 A  
113  
160  
112  
m
Ω  
V

GS

= 1.5 V,
 
I

D

= 2.1 A  
V

GS

= 4.5
V
,
 
I

D

= 3.4 A, T

J

= 125 °C  
V

DD

= 4.5 V,
 
I

D

= 3.4 A  
g

FS  

S
Dynamic Characteristics  
C

iss  

C

oss  

C

rss  

Input Capacitance  
225  
40  
300  
55  
pF  
pF  
pF  
V

DS

= 10 V, V

GS

= 0 V,  
f = 1 MHz  
Output Capacitance  
Reverse Transfer Capacitance  
25  
40  
Switching Characteristics  
t

d(on)  

t

r  

t

d(off)  

t

f  

Turn-On Delay Time  
Rise Time  
4.5  
2
10  
10  
27  
10  
4.2  
ns  
ns  
V

DD

= 10
V
,
I

D

= 1 A,  
V

GS

= 4.5 V, R

GEN

= 6
Ω  
Turn-Off Delay Time  
Fall Time  
15  
1.7  
3
ns  
ns  
Q

g  

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

DD

= 10
V
,
I

D

= 3.4 A,  

GS

= 4.5 V  
Q

gs  

Q

gd  

0.4  
0.6  
V
Drain-Source Diode Characteristics  
V

SD  

t

rr  

Source to Drain Diode
 
Forward Voltage  
Reverse Recovery Time  
V

GS

= 0 V, I

S

= 0.9 A  
(Note 2)  
0.7  
8.5  
1.4  
1.2  
17  
10  
V
ns  
nC  
I

F

= 3.4 A, di/dt = 100 A/
μ
s  
Q

rr  

Reverse Recovery Charge  
NOTES:  
2
1. R  
is determined with the device mounted on a 1 in
 
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
CA  
θ
JA  
θ
JC  
the user’s board design.  
a. 90 °C/W when mounted
 
on  
a 1 in
 
pad of
 
2 oz
 
copper.  
b. 195 °C/W when mounted on
 
a  
minimum pad of 2 oz copper.  
2
2. Pulse Test: Pulse Width < 300
μ
s, Duty cycle < 2.0%.  
3. The diode connected between the gate and source serves only as protection ESD. No gate overvoltage rating is implied.  
FDME1024NZT Rev.C1  
2

Typical Characteristics
T

J

= 25 °C unless otherwise noted  
6
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
V

GS

= 4.5 V  
PULSE DURATION = 80
μ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 3 V  
V

GS

= 2.5 V  
V

GS

= 1.8 V  
4
V

GS

= 1.5 V  
V

GS

= 1.5 V  
V

GS

= 1.8 V  
V

GS

= 2.5 V  
2
V

GS

= 3 V  
PULSE DURATION = 80
μ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 4.5 V  
0
0.0  
0.5  
1.0  
1.5  
0
2
4
6
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  
1.6  
300  
I

D

= 3.4 A  
PULSE DURATION = 80
μ
s  
DUTY CYCLE = 0.5% MAX  
V

GS

= 4.5 V  
250  
200  
150  
100  
50  
1.4  
1.2  
1.0  
0.8  
0.6  
I

D

= 3.4 A  
T

J

= 125

o  

C
T

J

= 25

o  

C
0
1.0  
-75 -50 -25  
0
25 50 75
 
100 125 150  
1.5  
2.0  
2.5  
3.0  
3.5  
4.0  
4.5  
T

J

,
JUNCTION TEMPERATURE
(

o

C
)  
V

GS

,
GATE TO SOURCE VOLTAGE (V)  
F i gu re 3 .
 
N orma li zed
 
On – Res is ta nc e  
vs Junction Temperature  
Figur
e
4
. On-Resistance
 
vs Gate to  
Source Voltage  
6
10  
PULSE DURATION = 80
μ
s  
V

GS

= 0 V  
DUTY CYCLE = 0.5% MAX  
V

DS

= 5 V  
1
0.1  
T

J

= 150

o  

C
4
T

J

= 25

o  

C
T

J

= 150

o  

C
2
T

J

= 25

o  

C
T

J

= -55

o  

C
0.01  
T

J

= -55

o  

C
0
0.0  
0.001  
0.5  
1.0  
1.5  
2.0  
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  
FDME1024NZT Rev.C1  
3

Typical Characteristics
T

J

= 25 °C unless otherwise noted  
4.5  
500  
100  
I

D

= 3.4 A  
C

iss  

V

DD

= 8 V  
3.0  
V

DD

= 10 V  
V

DD

= 12 V  
C

oss  

1.5  
C

rss  

10  
f = 1 MHz  
= 0 V  
V
GS  
0.0  
10  
0
1
2
3
0.1  
1
20  
V

DS

, DRAIN TO SOURCE VOLTAGE (V)  
Q

g

, GATE CHARGE (nC)  
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  
10

-1  

10

-2  

10

-3  

10

-4  

10

-5  

10

-6  

10

-7  

10

-8  

10

-9  

100
μ
s  
V

GS

= 0 V  
1 ms  
1
0.1  
10 ms  
THIS AREA IS  
LIMITED BY r

DS(on)  

T

J

= 125

o

C  
100 ms  
SINGLE PULSE  
T

J

= MAX RATED  
1 s  
10 s  
DC  
R

θ
JA

= 195

o

C/W  
T

A

= 25

o

C  
T

J

= 25

o  

C
0.01  
0.1  
1
10  
50  
0
3
6
9
12  
15  
V

DS

, DRAIN to SOURCE VOLTAGE (V)  
V

GS

,
GATE TO SOURCE VOLTAGE (V)  
Figure 9.
 
Forward Bias Safe Operating Area  
Figur
e
1
0. Gate Leakage Current vs  
Gate to Source Voltage  
100  
SINGLE PULSE  
R

θ
JA

= 195

o

C/W  
T

A

= 25

o  

C
10  
1
0.5  
10

-4  

10

-3  

10

-2  

10

-1  

t, PULSE WIDTH (s)  
1
10  
100  
1000  
Figure 11.
 
Single Pulse Maximum Power Dissipation  
FDME1024NZT Rev.C1  
4

Typical Characteristics
T

J

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

θ
JA

= 195

o

C/W  
0.01  
PEAK T
 
= P  
J
x Z  
x R  
+ T  
DM  
θ
JA  
θ
JA
A  
0.005  
10

-4  

10

-3  

10

-2  

10

-1  

t, RECTANGULAR PULSE DURATION (sec)  
1
10  
100  
1000  
Figure 12.
 
Junction-to-Ambient Transient Thermal Response Curve  
FDME1024NZT Rev.C1  
5

Dimensional Outline and Pad Layout  
FDME1024NZT Rev.C1  
6

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Rev. I48  
FDME1024NZT Rev.C1  
7

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