MIC94030/ General Description. Features. Applications. Ordering Information. Pin Configuration. Typical PCB Layout. TinyFET P-Channel MOSFET

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1 MIC94030/94031 TinyFET P-Channel MOFET eneral escription The MIC94030 and MIC94031 are 4-terminal silicon gate P-channel MOFETs that provide low on-resistance in a very small package. esigned 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 MOFET. 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 OT-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 (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 eparate substrate connection for added control Industry s smallest surface mount package Applications istributed power management PCMCIA card power management Battery-powered computers, peripherals Hand-held bar-code scanners Portable communications equipment Ordering Information Part Number tandard Marking Pb-Free Marking Junction Temp. Range Package MIC94030BM4 P30 MIC94030YM4 P30 55 to +150 C OT-143 MIC94031BM4 P31 MIC94031YM4 P31 55 to +150 C OT-143 Pin Configuration Part Identification rain P3x P3x ubstrate Typical PCB Layout PCB heat sink plane improves heat dissipation ate ource OT-143 (M4) PCB traces TinyFET is a registered trademark of Micrel, Inc. Micrel Inc Fortune rive an Jose, CA UA tel +1 (408) fax + 1 (408) July 2006 M

2 chematic ymbol Functional iagrams ate ource ubstrate rain ~500k Internal gate-to-source pull-up resistor chematic ymbol MIC94030 MIC94031 July M

3 Absolute Maximum Ratings (1) Voltage and current values are negative. igns not shown for clarity. rain-to-ource Voltage (pulse)...16v ate-to-ource Voltage (pulse)....16v Continuous rain Current T A = 25 C...1A T A = 100 C...0.5A Operating Junction Temperature C to +150 C torage Temperature C to +150 C Total Power issipation T A = 25 C...568mW T A = 100 C...227mW Thermal Resistance θ JA C/W θ JC C/W Lead Temperature 1/16 from case, 10s C Electrical Characteristics Voltage and current values are negative. igns not shown for clarity. ymbol Parameter Condition (Note 1) Min Typ Max Units V B rain-ource Breakdown Voltage V = 0V, I = 250µA 13.5 V V ate Threshold Voltage V = V, I = 250µA V I ate-body Leakage V = 0V, V = 12V, Note 2, Note 3 1 µa R ate-ource Resistor V = 0V, V = 12V, Note 2, Note kω C I Input Capacitance V = 0V, V = 12V 100 pf I Zero ate Voltage rain Current V = 12V, V = 0V 25 µa V = 12V, V = 0V, T J = 125 C µa I (ON) On-tate rain Current V = 10V, V = 10V, Note A R (ON) rain-ource On-tate Resist V = 10V, I = 100mA V = 4.5V, I = 100mA V = 2.7V, I = 100mA g F Forward Transconductance V = 10V, I = 200mA, Note m Notes: 1. T A = 25 C unless noted. ubstrate connected to source for all conditions. 2. E gate protection diode conducts during positive gate-to-source voltage excursions. 3. MIC94030 only. 4. MIC94031 only. 5. Pulse Test: Pulse Width 80µsec, uty Cycle 0.5% Ω Ω Ω July M

4 Typical Characteristics On Resistance vs. rain Current at 25 C 80µs Pulse Test On Resistance vs. rain Current at 125 C 80µs Pulse Test R (ON) ( ) V =4.5V V =10V R (ON) ( ) V =4.5V V =10V I (A) I (A) RAIN CURRENT (ma) rain Characteristics 2.0V V 1.8V 1.6V V 1.2V RAIN-TO-OURCE VOLTAE (V) RAIN CURRENT (A) rain Characteristics 5.0V 4.5V V 4.0V 3.5V 2.5V 2.0V 1.5V 1.0V RAIN-TO-OURCE VOLTAE (V) 300µs Pulse Test RAIN CURRENT (A) rain Characteristics 10V 9V 8V 6V 5V 4V V 3V 2V 1V RAIN-TO-OURCE VOLTAE (V) 80µs Pulse Test July M

5 Typical Applications * +5V MIC94030 On Off Load 74HC04 * ubstrate must be connected to source Figure 1. Power witch Application +12V Open rain Output Internal Resistor MIC94031 * Load * ubstrate must be connected to source Figure 2. Power Control Application * A +12V On Off MIC C04 Load A B Output Off Off 0V On Off +12V Off On +8V On On don t! B On Off +8V 2M * +12V MIC C04 * ubstrate must be connected to source Use C version only. HC versions not rated to 12V Figure 3. Analog witch Application July M

6 Package Information OT-143 (M4) MICREL, INC FORTUNE RIVE AN JOE, CA UA TEL +1 (408) FAX +1 (408) WEB 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 Micrel, Incorporated. July M

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