WSP4953
Dual P-Ch MOSFET
General Description
The WSP4953 is the highest performance
trench P-ch MOSFET with extreme high
cell density , which provide excellent
RDSON and gate charge for most of the
synchronous buck converter applications .
The WSP4953 meet the RoHS and Green
Product requirement with full function
reliability approved.
Product Summery
BVDSS
-30V
Applications
RDSON
60mΩ
ID
-5.3A
High Frequency Point-of-Load Synchronous
Buck Converter for MB/NB/UMPC/VGA
Networking DC-DC Power System
Load Switch
Features
Advanced high cell density Trench technology
Super Low Gate Charge
Excellent CdV/dt effect decline
Green Device Available
SOP8
Pin Configuration
Absolute Maximum Ratings
Symbol
V
DS
V
GS
I
D
@T
C
=25℃
I
D
@T
C
=100℃
I
DM
P
D
@T
C
=25℃
T
STG
T
J
Parameter
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain Current, -V
GS
@ -10V
1
Continuous Drain Current, -V
GS
@ -10V
Pulsed Drain Current
2
Total Power Dissipation
3
Storage Temperature Range
Operating Junction Temperature Range
1
Rating
-30
±20
-5.3
-4.6
-12
1.5
-55 to 150
-55 to 150
Units
V
V
A
A
A
W
℃
℃
Thermal Data
Symbol
R
θJA
R
θJC
Parameter
Thermal Resistance Junction-Ambient
1
Thermal Resistance Junction-Case
1
Typ.
---
---
Max.
85
36
Unit
℃/W
℃/W
www.winsok.tw
Page 1
Dec.2014
WSP4953
Dual P-Ch MOSFET
Electrical Characteristics (T
J
=25
℃,
unless otherwise noted)
Symbol
BV
DSS
Parameter
Drain-Source Breakdown Voltage
Conditions
V
GS
=0V , I
D
=-250uA
Reference to 25℃ , I
D
=-1mA
V
GS
=-10V , I
D
=-3A
V
GS
=-4.5V , I
D
=-1.5A
V
GS
=V
DS
, I
D
=-250uA
V
DS
=-24V , V
GS
=0V , T
J
=25℃
V
DS
=-24V , V
GS
=0V , T
J
=55℃
V
GS
=±20V
, V
DS
=0V
V
DS
=-5V , I
D
=-3A
V
DS
=0V , V
GS
=0V , f=1MHz
V
DS
=-20V , V
GS
=-4.5V , I
D
=-5A
Min.
-30
---
---
---
-1.0
---
---
---
---
---
---
---
---
---
---
V
DD
=-15V , V
GS
=-10V , R
G
=3.3Ω
I
D
=-1A
---
---
---
---
V
DS
=-15V , V
GS
=0V , f=1MHz
---
---
Typ.
---
-0.02
60
90
-1.5
4.32
---
---
---
5.5
24
5.22
1.25
2.3
18.4
11.4
39.4
5.2
463
82
68
Max.
---
---
90
120
-2.5
---
-1
-5
±100
---
48
---
---
---
---
---
---
---
---
---
---
pF
ns
nC
Unit
V
V/℃
mΩ
V
mV/℃
uA
nA
S
Ω
△BV
DSS
/△T
J
BVDSS Temperature Coefficient
R
DS(ON)
V
GS(th)
△V
GS(th)
I
DSS
I
GSS
gfs
R
g
Q
g
Q
gs
Q
gd
T
d(on)
T
r
T
d(off)
T
f
C
iss
C
oss
C
rss
Static Drain-Source On-Resistance
2
Gate Threshold Voltage
V
GS(th)
Temperature Coefficient
Drain-Source Leakage Current
Gate-Source Leakage Current
Forward Transconductance
Gate Resistance
Total Gate Charge (-4.5V)
Gate-Source Charge
Gate-Drain Charge
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Diode Characteristics
Symbol
I
S
I
SM
V
SD
Parameter
Continuous Source Current
1,4
Pulsed Source Current
2,4
Diode Forward Voltage
2
Conditions
V
G
=V
D
=0V , Force Current
V
GS
=0V , I
S
=-1A , T
J
=25℃
Min.
---
---
---
Typ.
---
---
---
Max.
-5.3
-12
-1
Unit
A
A
V
Note :
1.The data tested by surface mounted on a 1 inch
2
FR-4 board with 2OZ copper,t<10sec.
2.The data tested by pulsed , pulse width
≦
300us , duty cycle
≦
2%
3.The power dissipation is limited by 150℃ junction temperature
4.The data is theoretically the same as I
D
and I
DM
, in real applications , should be limited by total power dissipation.
www.winsok.tw
Page
2
Dec.2014
WSP4953
Dual P-Ch MOSFET
Typical Characteristics
12
135.0
I
D
= -4A
10
-I
D
Drain Current (A)
115.0
8
V
GS
=-10V
V
GS
=-7V
V
GS
=-5V
V
GS
=-4.5V
V
GS
=-3V
6
R
DSON
(mΩ)
2
95.0
4
75.0
2
0
0
0.5
1
1.5
55.0
2
4
-V
DS
, Drain-to-Source Voltage (V)
-V
GS
(V)
6
8
10
Fig.1 Typical Output Characteristics
10
10
Fig.2 On-Resistance vs. G-S Voltage
V
DS
=-20V
-I
S
Source Current(A)
7.5
-V
GS
Gate to Source Voltage (V)
1.2
8
I
D
=-4A
6
5
T
J
=150℃
2.5
T
J
=25℃
4
2
0
0
0.3
0.6
0.9
0
0
2.5
-V
SD
, Source-to-Drain Voltage (V)
Fig.3
Q
G
, Total Gate Charge (nC)
5
7.5
10
Forward Characteristics of Reverse
1.5
2.0
Fig.4 Gate-Charge Characteristics
1
0.5
0
-50
Normalized On Resistance
Normalized V
GS(th)
1.5
1.0
0.5
T
J
,Junction Temperature (℃ )
0
50
100
150
-50
0
50
100
150
T
J
, Junction Temperature (℃)
Fig.5 Normalized V
GS(th)
vs. T
J
Fig.6 Normalized R
DSON
vs. T
J
www.winsok.tw
Page
3
Dec.2014
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 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. To 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 quality high 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 that could give rise to smoke or fire, or 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 for safe design, redundant design,
and structural design.
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7, Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for
volume production. Winsok power believes information herein is accurate and reliable, but no guarantees are made or
implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
8, Any and all information described or contained herein are subject to change without notice due to product/technology
improvement,etc. When designing equipment, refer to the "Delivery Specification" for the Winsok power product that you
Intend to use.
9, this catalog provides information as of Sep.2014. Specifications and information herein are subject to change without
notice.
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