SSM2305GN
P-channel Enhancement-mode Power MOSFET
Low gate-charge
-20V
BV DSS
D
Simple drive requirement
65mΩ
R DS(ON)
Fast switching
Pb-free; RoHS compliant.
-4.2A
ID
G
S
DESCRIPTION
D
The SSM2305GN is in a SOT-23-3 package, which is widely used for lower
power commercial and industrial surface mount applications. This device is
suitable for low-voltage applications such as DC/DC converters and and
general switching applications.
S
SOT-23-3
G
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
VDS
Drain-Source Voltage
VGS
Gate-Source Voltage
ID @ TA=25°C
ID @ TA=70°C
Continuous Drain Current
3
Continuous Drain Current
3
1,2
Rating
Units
-20
V
± 12
V
-4.2
A
-3.4
A
IDM
Pulsed Drain Current
-10
A
PD @ TA=25°C
Total Power Dissipation
1.38
W
Linear Derating Factor
0.01
W/°C
TSTG
Storage Temperature Range
-55 to 150
°C
TJ
Operating Junction Temperature Range
-55 to 150
°C
THERMAL DATA
Symbol
RΘJA
2/16/2005 Rev.2.1
Parameter
Maximum Thermal Resistance, Junction-ambient
3
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Value
Unit
90
°C/W
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SSM2305GN
ELECTRICAL CHARACTERISTICS (at Tj = 25°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max. Units
-20
-
-
V
BVDSS
Drain-Source Breakdown Voltage
∆ BV DSS/∆ Tj
Breakdown Voltage Temperature Coefficient Reference to 25°C, ID=-1mA
-
-0.1
-
V/°C
RDS(ON)
Static Drain-Source On-Resistance
VGS=-10V, ID=-4.5A
-
-
53
mΩ
VGS=-4.5V, ID=-4.2A
-
-
65
mΩ
VGS=-2.5V, ID=-2.0A
-
-
100
mΩ
VGS=-1.8V, ID=-1.0A
-
-
250
mΩ
VDS=VGS, ID=-250uA
-0.5
-
-
V
VGS(th)
Gate Threshold Voltage
gfs
Forward Transconductance
IDSS
VDS=-5V, ID=-2.8A
-
9
-
S
o
VDS=-20V, VGS=0V
-
-
-1
uA
o
Drain-Source Leakage Current (Tj=55 C)
VDS=-16V, VGS=0V
-
-
-10
uA
Gate-Source Leakage
VGS= ± 12V
-
-
±100
nA
ID=-4.2A
-
10.6
-
nC
Drain-Source Leakage Current (Tj=25 C)
IGSS
VGS=0V, ID=-250uA
2
Qg
Total Gate Charge
Qgs
Gate-Source Charge
VDS=-16V
-
2.32
-
nC
Qgd
Gate-Drain ("Miller") Charge
VGS=-4.5V
-
3.68
-
nC
VDS=-15V
-
5.9
-
ns
2
td(on)
Turn-on Delay Time
tr
Rise Time
ID=-4.2A
-
3.6
-
ns
td(off)
Turn-off Delay Time
RG=6Ω , VGS=-10V
-
32.4
-
ns
tf
Fall Time
RD=3.6Ω
-
2.6
-
ns
Ciss
Input Capacitance
VGS=0V
-
740
-
pF
Coss
Output Capacitance
VDS=-15V
-
167
-
pF
Crss
Reverse Transfer Capacitance
f=1.0MHz
-
126
-
pF
Min.
Typ.
Source-Drain Diode
Symbol
Parameter
2
Test Conditions
Max. Units
VSD
Forward On Voltage
IS=-1.2A, VGS=0V
-
-
-1.2
V
trr
Reverse Recovery Time
IS=-4.2A, VGS=0V,
-
27.7
-
ns
Qrr
Reverse Recovery Charge
dI/dt=100A/µs
-
22
-
nC
Notes:
1.Pulse width limited by maximum junction temperature.
2.Pulse width <300us, duty cycle <2%.
3.Surface-mounted on 1 in2 copper pad on FR4 board; 270°C/W when mounted on minimum copper pad.
2/16/2005 Rev.2.1
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SSM2305GN
40
36
-5.0V
o
T A =25 C
28
30
-4.0V
-ID , Drain Current (A)
-ID , Drain Current (A)
-5.0V
TA=150oC
32
20
-3.0V
10
-4.0V
24
20
-3.0V
16
12
8
V G = -2.0V
V G = -2.0V
4
0
0
0
2
4
6
8
0
10
2
4
6
8
-V DS , Drain-to-Source Voltage (V)
-V DS , Drain-to-Source Voltage (V)
Fig 1. Typical Output Characteristics
Fig 2. Typical Output Characteristics
1.8
160
I D = -4.2A
V GS = -4.5V
I D =-4.2A
1.6
o
Normalized RDS(ON)
T A =25 C
RDS(ON) (Ω)
120
80
1.4
1.2
1
0.8
0.6
40
0
1
2
3
4
5
-50
6
0
50
100
150
o
-V GS , Gate-to-Source Voltage (V)
T j , Junction Temperature ( C)
Fig 3. On-Resistance vs. Gate Voltage
Fig 4. Normalized On-Resistance
vs. Junction Temperature
1.5
100
10
1
T j =25 o C
-VGS(th) (V)
-IS(A)
T j =150 o C
1
0.5
0.1
0
0.01
0
0.4
0.8
1.2
-V SD , Source-to-Drain Voltage (V)
Fig 5. Forward Characteristic of
Reverse Diode
2/16/2005 Rev.2.1
1.6
-50
0
50
T j , Junction Temperature (
100
o
150
C)
Fig 6. Gate Threshold Voltage vs.
Junction Temperature
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SSM2305GN
f=1.0MHz
10000
12
I D = -4.2A
V DS = -16V
1000
8
Ciss
C (pF)
-VGS , Gate to Source Voltage (V)
10
6
Coss
100
4
Crss
2
0
10
0
5
10
15
20
25
1
5
9
13
17
21
25
29
-V DS , Drain-to-Source Voltage (V)
Q G , Total Gate Charge (nC)
Fig 7. Gate Charge Characteristics
Fig 8. Typical Capacitance Characteristics
1
100
Normalized Thermal Response (Rthja)
DUTY=0.5
10
-ID (A)
1ms
1
10ms
100ms
0.1
1s
o
T A =25 C
Single Pulse
DC
0.01
0.2
0.1
0.1
0.05
PDM
t
0.01
T
Duty factor = t/T
Peak T j = PDM x Rthja + Ta
0.01
Single Pulse
RΘja = 270°C/W
0.001
0.1
1
10
100
0.0001
0.001
0.01
-V DS , Drain-to-Source Voltage (V)
Fig 9. Maximum Safe Operating Area
0.1
1
10
100
1000
t , Pulse Width (s)
Fig 10. Effective Transient Thermal Impedance
RD
VDS
D
VDS
0.8 x RATED VDS
G
0.75 x RATED VDS
RG
G
S
S
-10 V
VGS
-1~-3mA
VGS
IG
Fig 11. Switching Time Circuit
2/16/2005 Rev.2.1
TO THE
OSCILLOSCOPE
D
TO THE
OSCILLOSCOPE
ID
Fig 12. Gate Charge Circuit
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SSM2305GN
Information furnished by Silicon Standard Corporation is believed to be accurate and reliable. However, Silicon Standard Corporation makes no
guarantee or warranty, express or implied, as to the reliability, accuracy, timeliness or completeness of such information and assumes no
responsibility for its use, or for infringement of any patent or other intellectual property rights of third parties that may result from its
use. Silicon Standard reserves the right to make changes as it deems necessary to any products described herein for any reason, including
without limitation enhancement in reliability, functionality or design. No license is granted, whether expressly or by implication, in relation to
the use of any products described herein or to the use of any information provided herein, under any patent or other intellectual property rights of
Silicon Standard Corporation or any third parties.
2/16/2005 Rev.2.1
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