Upload
vuduong
View
225
Download
0
Embed Size (px)
Citation preview
A Reliable business Partner
MOSFET
George HsiehTechnical [email protected]: 82267698 ext.3001
0935041907
A Reliable business Partner
AGENDAWhat is MOSFET?
CMOS
Operation of MOSFET
Architectures of MOSFET
Trench MOSFET
Specification of MOSFET
ABOUT SSS
4 Target parts
Applications
A Reliable business Partner
What is MOSFET?
M O FS
Metal Oxide
Semiconductor
Field
E T
Effect
Transistor
A Reliable business Partner
Drain()
Source()
Gate() Metal
Field Effect Transistor
(N)
(N)
Semiconductor
P(Positive)
N(Negative)
Oxide Silicon Oxide --- glass()
(P)
N Channel MOSFET
: ,
A Reliable business Partner
CMOS
--- Complimentary MOSP+N
A Reliable business Partner
Drain()
Source()
Metal
Oxide
Source()
Drain()
Gate()Gate()
Operation of Mosfet
A Reliable business Partner
Drain()
Source()
Source()
Drain()
Gate()
Metal
Oxide
Gate()
Operation of Mosfet
A Reliable business Partner
Architecture of MOSFET
N+ N+
Substrate
P
Source DrainGate
N+ N+P
Source
Drain
Gate Source
N-
N+ Sub
Vertical
PN NN NN N
Lateral
N N NN NN
N
N
N
NN
N
Low Rds(ON) per cell, Cannot be paralleled for high current, high voltage application.
Source
Gate
Drain
Gate
Drain
Source
Substrate
NNN
A Reliable business Partner
N+ N+P P
N+ Sub
Source
Drain
Gate
Source
N-
Trench MOSFET
1. Lower Rds(ON)
2. Smaller die
3. Special process
Cost = die area x mask #
NN
NN
A Reliable business Partner
Specifications of MOSFET
N channel
P channel
(X3)
()
()
()G
D
S
G
S
D
A Reliable business Partner
ABOUT SSS
A Reliable business Partner
A Reliable business Partner
A Reliable business Partner
A Reliable business Partner
A Reliable business Partner
4 Target Parts
A Reliable business Partner
1. Inverter
0
1
1
1
0SSS2N7002EBSS138
Applications
2. Power SwitchP Channel
SSM9435
A Reliable business Partner
10845V 3.3V
AZ431
R1
R2
AS358
SSD30555V 3.3V
3. LDO
A Reliable business Partner
4. PWM regulator
LL
CC
LM3475/85
12VinSSM9435
3.3V
A Reliable business Partner
Q & A
Thanks !