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MIC5010

Part Number	MIC5010
Manufacturer	Micrel Semiconductor
Description	Full-Featured High- or Low-Side MOSFET Driver
Published	Mar 26, 2005
Detailed Description	MIC5010 Micrel MIC5010 Full-Featured High- or Low-Side MOSFET Driver Not Recommended for New Designs General Descript...
Datasheet	MIC5010 PDF File

Overview

MIC5010 Micrel MIC5010 Full-Featured High- or Low-Side MOSFET Driver Not Recommended for New Designs General Description The MIC5010 is the full-featured member of the Micrel MIC501X driver family.
These ICs are designed to drive the gate of an N-channel power MOSFET above the supply rail in high-side power switch applications.
The MIC5010 is compatible with standard or current-sensing power FETs in both high- and low-side driver topologies.
The MIC5010 charges a 1nF load in 60µs typical and protects the MOSFET from over-current conditions.
Faster switching is achieved by adding two 1nF charge pump capacitors.
The current sense trip point is fully programmable and a dynamic threshold allows high in-rush current loads to be started.
A fault pin indicates when the MIC5010 has turned off the FET due to excessive current.
Other members of the Micrel driver family include the MIC5011 minimum parts count 8 pin driver, MIC5012 dual driver, and MIC5013 protected 8 pin driver.
Features • 7V to 32V operation • Less than 1µA standby current in the “OFF” state • Internal charge pump to drive the gate of an N-channel power FET above supply • Available in small outline SOIC packages • Internal zener clamp for gate protection • 25µs typical turn-on time to 50% gate overdrive • Programmable over-current sensing • Dynamic current threshold for high in-rush loads • Fault output pin indicates current faults • Implements high- or low-side switches Applications • • • • • • Lamp drivers Relay and solenoid drivers Heater switching Power bus switching Motion control Half or full H-bridge drivers 5 Package 14-pin Plastic DIP 14-pin SOIC Typical Application Ordering Information Part Number MIC5010BN MIC5010BM Temperature Range –40°C to +85°C –40°C to +85°C MIC5010 1 Inhibit 2 NC Control Input RTH 20kΩ 3 Input 4 Thresh 5 Sense 6 Source 7 Gnd Fault 14 V+ 13 NC 12 C1 11 Com 10 C2 9 Gate 8 V+ =24V + 10µF R = S SR( V TRIP +100mV) +100mV) R IL – ( V TRIP IRCZ44 (S=2590, R=11mΩ) SE...

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