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MIC94030/94031
TinyFET(R) 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 0.75 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 4terminal configuration improves the JA (improved heat dissipation) and makes analog switch applications practical. The small size, low threshold, and low RDS(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 * 0.75 typical on-resistance - at 4.5V gate-to-source voltage * 0.45 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 +150C -55 to +150C 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
Schematic Symbol
Functional Diagrams
S
S
Gate
Source Substrate Drain
G D
SS
~500k G Internal gate-to-source pull-up resistor SS D
Schematic Symbol
MIC94030
MIC94031
July 2006
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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 TA = 25C ...................................................................1A TA = 100C ..............................................................0.5A Operating Junction Temperature ..............-55C to +150C Storage Temperature ................................-55C to +150C
Total Power Dissipation TA = 25C...........................................................568mW TA = 100C.........................................................227mW Thermal Resistance JA ....................................................................220C/W JC ....................................................................130C/W Lead Temperature 1/16" from case, 10s.......................................... +300C
Electrical Characteristics
Voltage and current values are negative. Signs not shown for clarity.
Symbol
VBDSS VGS IGSS RGS CISS IDSS ID(ON) RDS(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)
VGS = 0V, ID = 250A VDS = VGS, ID = 250A VDS = 0V, VGS = 12V, Note 2, Note 3 VDS = 0V, VGS = 12V, Note 2, Note 4 VGS = 0V, VDS = 12V VDS = 12V, VGS = 0V VDS = 12V, VGS = 0V, TJ = 125C VDS = 10V, VGS = 10V, Note 5 VGS = 10V, ID = 100mA VGS = 4.5V, ID = 100mA VGS = 2.7V, ID = 100mA VDS = 10V, ID = 200mA, Note 5
Min
13.5 0.6 500
Typ
1.0 750 100
Max
1.4 1 1000 25
Units
V V A k pF A A A mS
0.010 6.3 0.45 0.75 1.20 480
250
1.00
gFS
Notes:
Forward Transconductance
1. TA = 25C 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 80sec, Duty Cycle 0.5%.
July 2006
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M9999-071106
Micrel, Inc.
MIC94030/MIC94031
Typical Characteristics
1.50 1.25 RDS(ON) ( ) RDS(ON) ( ) 1.00 0.75 0.50 0.25 0.00 0.0 0.5 VG = 10V VG = 4.5V
On Resistance vs. Drain Current at 25C
80s Pulse Test
1.50 1.25 1.00 0.75 0.50 0.25 2.0 0.00 0.0
On Resistance vs. Drain Current at 125C
80s Pulse Test
VG = 4.5V
VG = 10V
1.0 ID (A)
1.5
0.5
1.0 ID (A)
1.5
2.0
160 DRAIN CURRENT (mA) 140 120 100 80 60 40 20
Drain Characteristics
2.0V 1.8V VG S DRAIN CURRENT (A)
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0
Drain Characteristics
5.0V 4.5V 4.0V 3.5V 2.5V 2.0V 1.5V 1.0V VG S
6 DRAIN CURRENT (A) 5 4 3
Drain Characteristics
10V 9V 8V VG S 6V 5V 4V
1.6V
2 1 0
3V 2V 1V
1.4V 1.2V
0 0.0 0.5 1.0 1.5 2.0 DRAIN-TO-SOURCE VOLTAGE (V)
0 2 4 6 8 10 12 14 DRAIN-TO-SOURCE VOLTAGE (V)
300s Pulse Test
0 2 4 6 8 10 12 14 DRAIN-TO-SOURCE VOLTAGE (V)
80s Pulse Test
July 2006
4
M9999-071106
Micrel, Inc.
MIC94030/MIC94031
Typical Applications
+5V MIC94030
On Off
SS* S D Load +12V S SS* Load G
74HC04 * Substrate must be connected to source
Figure 1. Power Switch Application
Open Drain Output
Internal Resistor G
MIC94031 D
* Substrate must be connected to source
Figure 2. Power Control Application
SS* +12V S MIC94030 A
On Off
D Load G A Off On Off On B Output Off 0V Off +12V On +8V On don't!
74C04 2M SS* S +12V MIC94030 D G
+8V
* Substrate must be connected to source
B
On Off
Use"C" version only."HC" versions not rated to 12V
74C04 Figure 3. Analog Switch Application
July 2006
5
M9999-071106
Micrel, Inc.
MIC94030/MIC94031
Package Information
SOT-143 (M4)
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. (c) 1997 Micrel, Incorporated.
July 2006
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M9999-071106

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