SI2312
LOW VOLTAGE MOSFET (N-CHANNEL)
FEATURES
Ultra Low on-resistance:VDS=20V,RDS(ON)≤31.8mΩ@VGS=4.5V,ID=5A
For Low power DC to DC converter application
For Load switch application
Surface Mount device
SOT-23
MECHANICAL DATA
Case: SOT-23
Case Material: Molded Plastic. UL flammability
Classification Rating: 94V-0
Weight: 0.008 grams (approximate)
MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
Parameter
Drain-source voltage
Symbol
Value
20
Unit
V
V
DS
Gate-source voltage
VGS
ID
±8
V
Continuous drain current
5
A
Pulsed drain current (Note 1)
Continuous Source-Drain Diode current
Power dissipation
IDM
IS
20
A
1.04
0.35
357
150
A
PD
W
Thermal resistance from Junction to ambient
Junction temperature
RθJA
TJ
°C/W
°C
°C
Storage temperature
TSTG
-55 ~+150
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Parameter
Symbol Min Typ Max Unit
Conditions
V(BR)DSS
Drain-Source breakdown voltage
Zero gate voltage drain current
Gate-body leakage current
Gate-threshold voltage (note 1)
VGS=0V, ID=250μA
20
V
VDS=20V,
μA
IDSS
IGSS
1
VGS=0V
VDS=0V,
±100 nA
VGS=±8V
VDS=VGS, ID=250μA
VGS=4.5V, ID=5A
VGS=2.5V, ID=4.7A
VGS=1.8V, ID=4.3A
VDS=10V, ID=5A
f=1MHz
VGS(th) 0.45 0.7
18
1.0
V
31.8
35.6
41.4
mΩ
mΩ
Drain-source on-resistance (note 1)
RDS(ON)
23
30
6
mΩ
S
Forward transconductance (note 1)
Gate resistance
gFS
Rg
0.5
4.8
Ω
Input capacitance
Ciss
Coss
Crss
td(on)
tr
865
105
55
pF
VDS=10V, VGS=0V, f=1MHz
Output capacitance
pF
pF
nS
nS
nS
nS
V
Reverse transfer capacitance
Turn-on delay time
10
20
32
12
1.2
Turn-on rise time
VDD=30V, VGS=10V,
RGEN=1Ω, ID=1.5A
Turn-off delay time
td(off)
tf
Turn-off fall time
Diode forward voltage (note 1)
IS=4A, VGS=0V
VSD
0.75
Note:1. Pulse test: Pulse width ≤300µs, Duty cycle ≤ 2% .
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