CT2321-R3
P-Channel Enhancement MOSFET
Features
•
Drain-Source Breakdown Voltage V
DSS
- 20 V
•
Drain-Source On-Resistance
R
DS(ON)
42m
Ω
, at V
GS
= - 4.5V, I
DS
= - 3.8A
R
DS(ON)
57m
Ω
, at V
GS
= - 2.5V, I
DS
= - 3.0A
•
Advanced high cell density Trench Technology
•
RoHS Compliance & Halogen Free
Description
The CT2321-R3 uses high performance Trench
Technology to provide excellent R
DS(ON)
and low gate
charge which is suitable for most of the synchronous
buck converter applications .
Applications
•
Power Management
•
Portable Equipment
•
Battery Powered System
•
DC/DC Converter
•
Load Switch
Package Outline
Drain
Gate
Source
Gate
Source
CT Micro
Proprietary & Confidential
℃
•
Continuous Drain Current at T
A
=25
I
D
= - 3.8A
Schematic
Drain
Page 1
Rev 3
Oct, 2014
CT2321-R3
P-Channel Enhancement MOSFET
Absolute Maximum Rating at 25
o
C
Symbol
V
DS
V
GS
I
D
I
DM
P
D
T
STG
T
J
Parameters
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain Current
Pulsed Drain Current
Total Power Dissipation
Storage Temperature Range
Operating Junction Temperature Range
Ratings
-20
±12
-3.8
-15
1.25
-55 to 150
-55 to 150
Units
V
V
A
A
W
o
C
o
C
Notes
1
1
2
Thermal Characteristics
Symbol
R
JA
Parameters
Thermal Resistance
Test Conditions
Min
-
Typ
200
Max
-
Units
o
C
Notes
1,4
/W
Junction-Ambient (t=10s)
CT Micro
Proprietary & Confidential
Page 2
Rev 3
Oct, 2014
CT2321-R3
P-Channel Enhancement MOSFET
Electrical Characteristics
T
Static Characteristics
Symbol
B
VDSS
I
DSS
I
GSS
A
= 25° (unless otherwise specified)
C
Parameters
Drain-Source Breakdown Voltage
Drain-Source Leakage Current
Gate-Source Leakage Current
Test Conditions
V
GS
=0V, I
D
= -250µA
V
DS
= -20V, V
GS
= 0V
V
GS
=
±12V,
V
DS
= 0V
Min
-20
-
-
Typ
-
-
-
Max
-
-1
±100
Units
V
µA
nA
Notes
On Characteristics
Symbol
Parameters
Drain-Source On-Resistance
V
GS
= -2.5V, I
D
= -3.0A
-
-0.4
57
-
62
-1.2
m
Gate-Source Threshold Voltage
V
GS
= V
DS
, I
D
= -250µA
Test Conditions
V
GS
= -4.5V, I
D
= -3.8A
Min
-
Typ
42
Max
55
Units
Notes
Fig 4
Fig 5
R
DS(ON)
V
GS(TH)
V
Dynamic Characteristics
Symbol
Parameters
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Test Conditions
V
DS
= -10V ,
V
GS
= 0V,
f=1MHz
Min
-
-
-
Typ
786
76
90
Max
-
-
-
pF
Fig 3
Units
Notes
C
ISS
C
OSS
C
RSS
Switching Characteristics
Symbol
Parameters
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Total Gate Charge
Gate-Source Charge
Gate-Drain (Miller) Charge
V
DS
= -10V , .
V
GS
= -4.5V,
I
D
= -3.8A
V
DS
= -10V , V
GS
= -4.5V,
R
G
= 3 ,
I
D
= -3.8A
Test Conditions
Min
-
-
-
-
-
-
-
Typ
6.5
31
30.5
12
8.7
1.65
2.5
-
Fig
-
-
nC
9 & 10
Max
-
-
ns
-
Fig
11 & 12
Units
Notes
T
D(ON)
T
R
T
D(OFF)
T
F
Q
G
Q
GS
Q
GD
CT Micro
Proprietary & Confidential
Page 3
Ω
Ω
m
Rev 3
Oct, 2014
CT2321-R3
P-Channel Enhancement MOSFET
Drain-Source Diode Characteristics
Symbol
Parameters
Body Diode Forward Voltage
Body Diode Continuous Current
Test Conditions
V
GS
= 0V, I
D
= -3.8A
Min
Typ
Max
1.2
-3.8
Units
V
A
1
Notes
V
SD
I
SD
Note:
2. Device mounted on a glass-epoxy board
FR-4
25.4 × 25.4 mm .
2 Oz Copper
Actual Size
µ
3. The data tested by pulsed , pulse width
4. Thermal Resistance follow JESD51-3.
300 s , duty cycle
2%
CT Micro
Proprietary & Confidential
℃
1. The power dissipation is limited by 150
junction temperature.
Page 4
Rev 3
Oct, 2014
CT2321-R3
P-Channel Enhancement MOSFET
Typical Characteristic Curves
CT Micro
Proprietary & Confidential
Page 5
Rev 3
Oct, 2014
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