Winsok-Semicon-WSF3038

WS

F3038  

N-Ch MOSFET  

General Description  

Product Summery  

The

WSF3038

is the highest performance trench  

N-ch MOSFETs with extreme high cell density ,  

which provide excellent R

DSON

and gate charge  

for most of the synchronous buck converter  

applications .  

BVDSS  

RDSON  

ID  

30V  

1

5

m

Ω

 

3

8

A  

Applications  

The WSF3038 meet the RoHS and Green  

Product requirement

 

, 100% EAS guaranteed  

with full

 

function reliability approved.  

z

High Frequency Point-of-Load Synchronous  

Buck Converter for MB/NB/UMPC/VGA  

z

Networking DC-DC Power System  

z

Load Switch  

Features  

TO

–

25

2

Pin Configuration  

z

Advanced high cell density Trench technology  

z

Super Low Gate Charge  

z

Excellent CdV/dt effect decline  

z

100% EAS Guaranteed  

z

Green Device Available  

Absolute Maximum Ratings  

Symbol  

Parameter  

Rating  

Units  

V

V

DS  

Drain-Source Voltage  

30  

±

20  

3

8  

V

GS  

I

D

@T

C

=25

℃  

I

D

@T

C

=100

℃  

I

DM  

Gate-Sou

r

ce Voltage  

V

Continuous Drain Current, V

GS

@ 10V

1  

Continuous Drain Current, V

GS

@ 10V

1  

Pulsed Drain Current

2  

A

18  

A

60  

A

EAS  

Single Pulse Avalanche Energy

3  

72  

mJ  

A

I

AS  

Avalanche Current  

21  

P

D

@T

C

=25

℃  

T

STG  

Total Power Dissipation

4  

25  

W

℃

℃

Storage

T

e

mperature Range  

Operating Junction Temperature Range  

-55 to 150  

-55 to 150  

T

J  

Thermal Data  

Symbol  

R

θ

JA  

Parameter  

Typ.  

—  

Max.  

25  

Unit  

℃

/W  

℃

/W  

℃

/W  

Thermal Resistance Junction-Ambient (<10s)

1  

Thermal Resistance Junction-ambient (Steady State)

1  

Thermal Resistance Junction-Case

1  

R

θ

JA  

—  

62  

R

θ

JC  

—  

5

Dec.2014  

Page 1  

WS

F3038  

N-Ch MOSFET  

Electrical Characteristics (T

J

=25

℃

, unless otherwise noted)  

Symbol  

Parameter  

Conditions  

V

GS

=0V , I

D

=250uA  

Min.  

30  

—  

—  

—  

1.0  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

—  

Typ.  

—  

Max.  

—  

Unit  

V

BV

DSS  

Drain-Source Breakdown Voltage  

BVDSS Temperature Coefficient  

△

BV

DSS

/△

T

J  

Reference to 25

℃

, I

D

=1mA  

V

GS

=10V , I

D

=10A  

0.023  

15  

—  

V/

℃  

20  

3

5  

2.5  

—  

R

DS(ON)  

Static Drain-Source On-Resistance

2  

m

Ω

 

V

GS

=4.5V , I

D

=5A  

22  

V

GS(th)  

Gate Threshold Voltage  

1.5  

-5.2  

—  

V

V

GS

=V

DS

, I

D

=250uA  

△

V

GS(th)  

V

mV/

℃  

V

DS=

24V , V

GS

=0V , T

J

=25

℃  

V

DS=

24V , V

GS

=0V , T

J

=55

℃  

1

I

DSS  

Drain-Source Leakage Current  

uA  

—  

5

V

GS

=

±

20V , V

DS

=0V  

I

GSS  

gfs  

Gate-Source Leakage Current  

Forward Transconductance  

Gate Resistance  

—  

±

100  

—  

nA  

S

V

DS

=15V , I

D

=10A  

10  

R

g  

V

DS=

24V , V

GS

=0V , f=1MHz  

2.5  

7.2  

1.4  

2.

6

 

4.1  

9.8  

22  

—  

Ω

Q

g  

Total Gate Charge (4.5V)  

Gate-Source Charge  

Gate-Drain Charge  

Turn-On Delay Time  

Rise Time  

—  

V

DS=

20V , V

GS

=4.5V , I

D

=1

0

A  

nC  

ns  

Q

gs  

Q

gd  

T

d(on)  

T

r  

—  

—  

—  

V

DD

=12V , V

GS

=10V , R

G

=3.3

Ω

,  

—  

I

D

=5A  

T

d(off)  

T

f  

Turn-Off Delay Time  

Fall Time  

—  

6.0  

550  

68  

—  

C

iss  

C

oss  

C

rss  

Input Capacitance  

—  

V

DS

=25V , V

GS

=0V , f=1MHz  

pF  

Output Capacitance  

Reverse Transfer Capacitance  

—  

55  

—  

Guaranteed Avalanche Characteristics  

Symbol  

Parameter  

Conditions  

Min.  

Typ.  

Max.  

Unit  

EAS  

Single Pulse Avalanche Energy

5  

V

DD

=25V , L=0.1mH , I

AS

=10A  

16  

—  

—  

mJ  

Diode Characteristics  

Symbol  

Parameter  

Conditions  

Min.  

—  

Typ.  

—  

Max.  

10  

Unit  

A

I

S  

Continuous Source Current

1,6  

Pulsed Source Current

2,6  

Diode Forward Voltage

2  

V

G

=V

D

=0V , Force Current  

I

SM  

V

SD  

—  

—  

60  

A

V

GS

=0V , I

S

=15A , T

j

=25

℃  

—  

—  

1.2  

V

Note :  

1.  

2

The data tested by surface mounted on a 1 inch

 

FR-4 board with 2OZ copper

,t<10sec

.

 

2.The data tested by pulsed , pulse width

 

≦

300us , duty cycle

 

≦

2%  

3.The EAS data shows Max. rating . The test condition is V

DD

=25V,V

GS

=10V,L=0.1mH,I

AS

=

10

A  

4.The power dissipation is limited by 150

℃

junction temperature  

5.The Min. value is 100% EAS tested guarantee.  

6.The data is theoretically the same as I

D

and I

DM

, in real applications , should be limited by total power dissipation.  

Dec.2014  

Page

2

 

WS

F3038  

N-Ch MOSFET  

Typical Characteristics  

12  

28  

24  

20  

16  

12  

I

D

=

10

A  

V

GS

=10V  

10  

V

GS

=7V  

V

GS

=5V  

8

6

4

2

0

V

GS

=4.5V  

V

GS

=3V  

0

0.5  

1

1.5  

2

2

4

6

8

10  

V

GS

(V)  

V

DS

Drain-to-Source Voltage(V)  

Fig.2 On-Resistance vs. G-S

 

Voltage  

Fig.1 Typical Output Characteristics  

6

9

T =25  

J

V

DS  

=20V  

℃

I

D

=1

0

A  

4.5  

3

6

3

0

1.5  

0

0

0.4  

0.8  

1.2  

0

2.5  

5

7.5  

10  

Q

G

, Total Gate Charge (nC)  

V

SD

, Source-to-Drain Voltage (V)  

Fig.3 Forward characteristics of reverse  

Fig.4 Gate-charge characteristics  

1.8  

1.8  

1.4  

1.0  

0.6  

0.2  

1.4  

1

0.6  

0.2  

-50  

0

50  

100  

150  

-50  

0

50  

100  

150  

T

J

,Junction Temperature  

T ,

 

Junction Temperature (  

J

)

℃

(

)

Fig.5 V

GS(th)

vs. T

J  

℃

Fig.6 Normalized R

DSON

vs. T

J  

Dec.2014  

Page

3  

WS

F3038  

N-Ch MOSFET  

1000  

100  

10  

1

F=1.0MHz  

Ciss  

10us  

100us  

Coss  

Crss  

100  

10ms  

100ms  

DC  

T =25  

℃

C

Single Pulse  

10  

0.1  

1

5

9

13  

17  

21  

25  

0.1  

1

10  

100  

V

DS

Drain to Source Voltage(V)  

VDS (V)  

Fig.8 Safe operating area  

Fig.7 Capacitance  

1

DUTY=0.5  

0.3  

0.1  

0.1  

0.05  

0.02  

P

DM  

T

ON  

T

0.01  

D = T

ON

/T  

S

I

NGLE PULSE  

T

J

peak = T

C

+ P

D

M

x R

θ

JC  

0.01  

0.00001  

0.0001  

0.001  

0.01  

0.1  

1

t , Pulse Width (s)  

Fig.9 Normalized Maximum Transient Thermal Impedance  

Fig.10 Switching time waveform  

Fig.11 Unclamped inductive switching wave.  

Dec.2014  

Page

4  

Attention

ꢀ

 

1,

ꢀ

Any

ꢀ

and

ꢀ

all

ꢀ

Winsok

ꢀ

power

ꢀ

products

ꢀ

described

ꢀ

or

ꢀ

contained

ꢀ

herein

ꢀ

do

ꢀ

not

ꢀ

have

ꢀ

specifications

ꢀ

that

ꢀ

can

ꢀ

handle

ꢀ  

applications

ꢀ

that

ꢀ

require

ꢀ

extremely

ꢀ

high

ꢀ

levels

ꢀ

of

ꢀ

reliability,

ꢀ

such

ꢀ

as

ꢀ

life

Ͳ

support

ꢀ

systems,

ꢀ

aircraft’s

ꢀ

control

ꢀ

systems,

ꢀ

or

ꢀ  

other

ꢀ

applications

ꢀ

whose

ꢀ

failure

ꢀ

can

ꢀ

be

ꢀ

reasonably

ꢀ

expected

ꢀ

to

ꢀ

result

ꢀ

in

ꢀ

serious

ꢀ

physical

ꢀ

and/or

ꢀ

material

ꢀ

damage.

ꢀ ꢀ  

Consult

ꢀ

with

ꢀ

your

ꢀ

Winsok

ꢀ

power

ꢀ

representative

ꢀ

nearest

ꢀ

you

ꢀ

before

ꢀ

using

ꢀ

any

ꢀ

Winsok

ꢀ

power

ꢀ

products

ꢀ

described

ꢀ

or

ꢀ  

contained

ꢀ

herein

ꢀ

in

ꢀ

such

ꢀ

applications.

ꢀ  

2,Winsok

ꢀ

power

ꢀ

assumes

ꢀ

no

ꢀ

responsibility

ꢀ

for

ꢀ

equipment

ꢀ

failures

ꢀ

that

ꢀ

result

ꢀ

from

ꢀ

using

ꢀ

products

ꢀ

at

ꢀ

values

ꢀ

that

ꢀ

exceed,

ꢀ ꢀ  

even

ꢀ

momentarily,

ꢀ

rated

ꢀ

values

ꢀ

(such

ꢀ

as

ꢀ

maximum

ꢀ

ratings,

ꢀ

operating

ꢀ

condition

ꢀ

ranges,

ꢀ

or

ꢀ

other

ꢀ

parameters)

ꢀ

listed

ꢀ

in

ꢀ  

products

ꢀ

specifications

ꢀ

of

ꢀ

any

ꢀ

and

ꢀ

all

ꢀ

Winsok

ꢀ

power

ꢀ

products

ꢀ

described

ꢀ

or

ꢀ

contained

ꢀ

herein.

ꢀ  

3,

ꢀ

Specifications

ꢀ

of

ꢀ

any

ꢀ

and

ꢀ

all

ꢀ

Winsok

ꢀ

power

ꢀ

products

ꢀ

described

ꢀ

or

ꢀ

contained

ꢀ

herein

ꢀ

stipulate

ꢀ

the

ꢀ

performance,

ꢀ  

characteristics,

ꢀ

and

ꢀ

functions

ꢀ

of

ꢀ

the

ꢀ

described

ꢀ

products

ꢀ

in

ꢀ

the

ꢀ

independent

ꢀ

state,

ꢀ

and

ꢀ

are

ꢀ

not

ꢀ

guarantees

ꢀ

of

ꢀ

the

ꢀ  

performance,

ꢀ

characteristics,

ꢀ

and

ꢀ

functions

ꢀ

of

ꢀ

the

ꢀ

described

ꢀ

products

ꢀ

as

ꢀ

mounted

ꢀ

in

ꢀ

the

ꢀ

customer’s

ꢀ

products

ꢀ

or

ꢀ  

equipment.

ꢀ

T

o

ꢀ

verify

ꢀ

symptoms

ꢀ

and

ꢀ

states

ꢀ

that

ꢀ

cannot

ꢀ

be

ꢀ

evaluated

ꢀ

in

ꢀ

an

ꢀ

independent

ꢀ

device,

ꢀ

the

ꢀ

customer

ꢀ

should

ꢀ

always

ꢀ  

evaluate

ꢀ

and

ꢀ

test

ꢀ

devices

ꢀ

mounted

ꢀ

in

ꢀ

the

ꢀ

customer’s

ꢀ

products

ꢀ

or

ꢀ

equipment.

ꢀ  

4,

ꢀ

Winsok

ꢀ

power

ꢀ

Semiconductor

ꢀ

CO.,

ꢀ

LTD.

ꢀ

strives

ꢀ

to

ꢀ

supply

ꢀ

high

Ͳ

quality

ꢀ

high

Ͳ

reliability

ꢀ

products.

ꢀ

However,

ꢀ

any

ꢀ

and

ꢀ

all

ꢀ  

semiconductor

ꢀ

products

ꢀ

fail

ꢀ

with

ꢀ

some

ꢀ

probability.

ꢀ

It

ꢀ

is

ꢀ

possible

ꢀ

that

ꢀ

these

ꢀ

probabilistic

ꢀ

failures

ꢀ

could

ꢀ

give

ꢀ

rise

ꢀ

to

ꢀ

accidents

ꢀ  

or

ꢀ

events

ꢀ

that

ꢀ

could

ꢀ

endanger

ꢀ

human

ꢀ

lives

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that

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could

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give

ꢀ

rise

ꢀ

to

ꢀ

smoke

ꢀ

or

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fire,

ꢀ

or

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that

ꢀ

could

ꢀ

cause

ꢀ

damage

ꢀ

to

ꢀ

other

ꢀ  

property.

ꢀ

When

ꢀ

designing

ꢀ

equipment,

ꢀ

adopt

ꢀ

safety

ꢀ

measures

ꢀ

so

ꢀ

that

ꢀ

these

ꢀ

kinds

ꢀ

of

ꢀ

accidents

ꢀ

or

ꢀ

events

ꢀ

cannot

ꢀ

occur.

ꢀ

Such

ꢀ  

measures

ꢀ

include

ꢀ

but

ꢀ

are

ꢀ

not

ꢀ

limited

ꢀ

to

ꢀ

protective

ꢀ

circuits

ꢀ

and

ꢀ

error

ꢀ

prevention

ꢀ

circuits

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for

ꢀ

safe

ꢀ

design,

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redundant

ꢀ

design,

ꢀ  

and

ꢀ

structural

ꢀ

design.

ꢀ  

5,In

ꢀ

the

ꢀ

event

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that

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any

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or

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all

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Winsok

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products(including

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technical

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data,

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described

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contained

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herein

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are

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controlled

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under

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any

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of

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applicable

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export

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control

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laws

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and

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regulations,

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such

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products

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must

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not

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be

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exported

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without

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obtaining

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the

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export

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license

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from

ꢀ

the

ꢀ

authorities

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concerned

ꢀ

in

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accordance

ꢀ

with

ꢀ

the

ꢀ

above

ꢀ

law.

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6,

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No

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part

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of

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this

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publication

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may

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be

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reproduced

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transmitted

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form

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or

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retrieval

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or

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without

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the

ꢀ

prior

ꢀ  

written

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permission

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of

ꢀ

Winsok

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power

ꢀ

Semiconductor

ꢀ

CO.,

ꢀ

LTD.

ꢀ  

7,

ꢀ

Information

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(including

ꢀ

circuit

ꢀ

diagrams

ꢀ

and

ꢀ

circuit

ꢀ

parameters)

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herein

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is

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for

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example

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only;

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is

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made

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implied

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regarding

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use

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or

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any

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infringements

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intellectual

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rights

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other

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and

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all

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information

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described

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contained

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herein

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are

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subject

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to

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change

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without

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notice

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due

ꢀ

to

ꢀ

product/technology

ꢀ  

improvement,etc.

ꢀ

When

ꢀ

designing

ꢀ

equipment,

ꢀ

refer

ꢀ

to

ꢀ

the

ꢀ

“Delivery

ꢀ

Specification”

ꢀ

for

ꢀ

the

ꢀ

Winsok

ꢀ

power

ꢀ

product

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that

ꢀ

you

ꢀ ꢀ  

Intend

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to

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use.

ꢀ  

9,

ꢀ

this

ꢀ

catalog

ꢀ

provides

ꢀ

information

ꢀ

as

ꢀ

of

ꢀ

Sep.2014. Specifications

ꢀ

and

ꢀ

information

ꢀ

herein

ꢀ

are

ꢀ

subject

ꢀ

to

ꢀ

change

ꢀ

without

ꢀ  

notice.

ꢀ