MIC94030/94031
TinyFET
®
P-Channel MOSFET
General Description
The MIC94030 and MIC94031 are 4-terminal silicon gate
P-channel MOSFETs that provide low on-resistance in a
very small package.
Designed for high-side switch applications where space is
critical, the MIC94030/1 exhibits an on-resistance of
typically 0.75Ω at 4.5V gate-to-source voltage. The
MIC94030/1 also operates with only 2.7V gate-to-source
voltage.
The MIC94030 is the basic 4-lead P-channel MOSFET.
The MIC94031 is a variation that includes an internal gate
pull-up resistor that can reduce the system parts count in
many applications.
The 4-terminal SOT-143 package permits a substrate
connection separate from the source connection. This 4-
terminal configuration improves the
θ
JA
(improved heat
dissipation) and makes analog switch applications
practical.
The small size, low threshold, and low R
DS(on)
make the
MIC94030/1 the ideal choice for PCMCIA card sleep mode
or distributed power management applications.
Features
•
13.5V minimum drain-to-source breakdown
•
0.75Ω typical on-resistance
– at 4.5V gate-to-source voltage
•
0.45Ω typical on-resistance
– at 10V gate-to-source voltage
•
Operates with 2.7V gate-to-source voltage
•
Separate substrate connection for added control
•
Industry’s smallest surface mount package
Applications
•
•
•
•
•
Distributed power management
PCMCIA card power management
Battery-powered computers, peripherals
Hand-held bar-code scanners
Portable communications equipment
Ordering Information
Part Number
Standard
MIC94030BM4
MIC94031BM4
Marking
P30
P31
Pb-Free
MIC94030YM4
MIC94031YM4
Marking
P30
P31
Junction Temp. Range
–55° to +150°C
–55° to +150°C
Package
SOT-143
SOT-143
Pin Configuration
Drain
Part
Identification
Substrate
Typical PCB Layout
D
PCB heat sink
plane improves
heat dissipation
SS
P3x
P3x
Gate
Source
G
S
PCB traces
SOT-143 (M4)
TinyFET is a registered trademark of Micrel, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (
408
) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
July 2006
M9999-071106
Micrel, Inc.
MIC94030/MIC94031
Absolute Maximum Ratings
(1)
Voltage and current values are negative. Signs not shown for clarity.
Drain-to-Source Voltage (pulse).....................................16V
Gate-to-Source Voltage (pulse). ....................................16V
Continuous Drain Current
T
A
= 25°C ...................................................................1A
T
A
= 100°C ..............................................................0.5A
Operating Junction Temperature ..............–55°C to +150°C
Storage Temperature ................................–55°C to +150°C
Total Power Dissipation
T
A
= 25°C...........................................................568mW
T
A
= 100°C.........................................................227mW
Thermal Resistance
θ
JA
....................................................................220°C/W
θ
JC
....................................................................130°C/W
Lead Temperature
1/16” from case, 10s.......................................... +300°C
Electrical Characteristics
Voltage and current values are negative. Signs not shown for clarity.
Symbol
V
BDSS
V
GS
I
GSS
R
GS
C
ISS
I
DSS
I
D(ON)
R
DS(ON)
Parameter
Drain-Source Breakdown Voltage
Gate Threshold Voltage
Gate-Body Leakage
Gate-Source Resistor
Input Capacitance
Zero Gate Voltage Drain Current
On-State Drain Current
Drain-Source On-State Resist
Condition (Note 1)
V
GS
= 0V, I
D
= 250µA
V
DS
= V
GS
, I
D
= 250µA
V
DS
= 0V, V
GS
= 12V,
Note 2, Note 3
V
DS
= 0V, V
GS
= 12V,
Note 2, Note 4
V
GS
= 0V, V
DS
= 12V
V
DS
= 12V, V
GS
= 0V
V
DS
= 12V, V
GS
= 0V, T
J
= 125°C
V
DS
= 10V, V
GS
= 10V,
Note 5
V
GS
= 10V, I
D
= 100mA
V
GS
= 4.5V, I
D
= 100mA
V
GS
= 2.7V, I
D
= 100mA
V
DS
= 10V, I
D
= 200mA,
Note 5
Min
13.5
0.6
500
Typ
1.0
750
100
Max
1.4
1
1000
25
Units
V
V
µA
kΩ
pF
µA
µA
A
Ω
Ω
Ω
mS
0.010
6.3
0.45
0.75
1.20
480
250
1.00
g
FS
Notes:
Forward Transconductance
1. T
A
= 25°C unless noted. Substrate connected to source for all conditions.
2. ESD gate protection diode conducts during positive gate-to-source voltage excursions.
3. MIC94030 only.
4. MIC94031 only.
5. Pulse Test: Pulse Width
≤
80µsec, Duty Cycle
≤
0.5%.
July 2006
3
M9999-071106
微控制器 MCU
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