Unitpower
US3421
P-Ch 30V Fast Switching MOSFETs
General Description
Product Summery
The US3421 is the highest performance trench
P-ch MOSFETs with extreme high cell density ,
BVDSS
RDSON
ID
which provide excellent RDSON and gate charge
for most of the small power switching and load
switch applications.
-30V
70mꢁ
-3.2A
Applications
The US3421 meet the RoHS and Green Product
requirement with full function reliability approved.
ꢀ High Frequency Point-of-Load Synchronous
Buck Converter for MB/NB/UMPC/VGA
ꢀ Networking DC-DC Power System
ꢀ Load Switch
Features
SOT23 Pin Configuration
D
ꢀ Advanced high cell density Trench technology
ꢀ Super Low Gate Charge
ꢀ Excellent CdV/dt effect decline
ꢀ Green Device Available
S
G
Absolute Maximum Ratings
Symbol
VDS
Parameter
Rating
-30
Units
V
Drain-Source Voltageꢀ
VGS
Gate-Souꢁce Voltage
ꢀ20ꢀ
-3.2
V
ID@TA=25ꢁ
ID@TA=70ꢁ
IDM
Continuous Drain Current, VGS @ -10V1
Continuous Drain Current, VGS @ -10V1
PulsedꢀDrain Current2
A
-2.5
A
-13
A
PD@TA=25ꢁ
TSTG
Total Power Dissipation3
1
W
Storage Temperature Range
Operating Junction Temperature Range
-55 to 150
-55 to 150
ꢁꢂ
ꢁꢂ
TJ
Thermal Data
Symbol
RꢀJA
Parameter
ꢀ Typ.
---
Max.
125
80
Unit
Thermal Resistance Junction-Ambient 1
Thermal Resistance Junction-Case1
ꢁ/Wꢀ
ꢁ/Wꢀ
RꢀJC
---
Rev A.01 D012510
1