Catalogs >
Fairchild Semiconductor >
High-Speed, Low-Side Gate Drivers Product Overview

High-Speed, Low-Side Gate Drivers Product Overview
4Pages

Catalog excerpts

High-Speed, Low-Side Gate Drivers Product Overview - 1

HIGH-SPEED, LOW-SIDE DRIVERS 1 A to 9 A Drivers with Flexible Options to Fit Every Design Need The FAN3100 and FAN3200 series of low-side driver families offer 70 different devices that provide choices of 1 A, 2 A, 4 A or 9 A current ratings in single- or dual-channel versions in either commercial or automotive AEC-Q100 qualified grades. The families offer an unequaled combination of fast switching, smaller size and design flexibility options for driving power switches and relays. These drivers offer multiple design advantages: high peak currents for efficient MOSFET and IGBT switching; amplification of the built-in output current of analog and digital controllers; removal of power dissipation from control ICs; ability to alleviate noise problems by placing near MOSFET(s) to minimize high-current loops and to move noise source away from sensitive control chips; and the easy implementation of additional features such as level shifting and timing delays. Features Automotive AEC-Q100 Qualified Devices Our best-in-class AEC-Q100 high-speed, low-side gate driver products are complemented by a full range of AEC-Q101 rated power MOSFETs. Fairchild has a focused automotive product line, with dedicated resources, for customer quality support including global power labs and regional applications support. Our automotive product development and manufacturing sites are QS-9000 and ISO/TS-16949 certified. Automotive products are manufactured and assembled in-house at Fairchild operated facilities. Under-voltage lockout for predictable startup • Short and well-controlled time delays (<20 ns) for paralleling, delay-timing and MHz switching • Fail-safe inputs to hold the output low if an input signal is absent • Industry’s smallest packages (2 mm x 2 mm and 3 mm x 3 mm MLP) as well as standard SOT-23 and SOIC-8 MillerDrive™ Output Architecture VDD Input • TTL or CMOS (VDD ratio) thresholds for logic-level compatibility and improved noise immunity Options for two inputs per channel for design flexibility Enable inputs which default to ON if not connected Input Stage Output • Compound MillerDriveTM architecture for strong gate drive during the Miller plateau region • Typically less than 15 ns rise and fall times at specified loads Applications • Switch-mode power supplies • DC--DC converters • Synchronous rectifier circuits • Motor control • Line drivers MillerDriveTM is a combination of bipolar and MOSFET devices, that speed up switching by providing high current during the Miller plateau region when the gate-drain capacitance of the MOSFET is being charged or discharged. The bipolar devices carry the bulk of the current during switching and the MOSFET devices pull the output to the HIGH or LOW rail at the end of the switching cycle. Use of bipolar devices allows the drivers to provide large currents over a wide range of supply voltage and temperature variations.

Open the catalog to page 1

High-Speed, Low-Side Gate Drivers Product Overview - 2

HIGH-SPEED, LOW-SIDE DRIVERS Parallel Processing Architecture Product Number PFC Gate Drive (Single or Distributed Power Stages) External gate drive is needed to drive larger MOSFETs used in higher power PFC pre-regulators. Diagram Boost Converter with Paralleled Switches Low-Voltage Single-Phase or Three-Phase Motor Driver Applications include battery-powered compact brushless DC motor drives such as 12 V blower motors in industrial, medical and automotive segments. Gate Drive with 3.3 V LDO Power for the MCU The FAN3180, which is a single 2 A low-side driver with an integrated 3.3 V...

Open the catalog to page 2

High-Speed, Low-Side Gate Drivers Product Overview - 3

HIGH-SPEED, LOW-SIDE DRIVERS Parallel Processing Architecture Product Number Automotive Power Inverter Provides single IC solution to push-pull boost stage. Can be used in low-side quadrant of the output H-bridge, with the highvoltage IC gate driver for the upper quadrant. Low-side drivers can also be used for secondaryside synchronous rectifiers. Automotive Power Inverter VBATT FAN3227 1 Push-pull Transformer The low-side drivers are able to switch high-current, low-RDS MOSFETs over the full input voltage range, and at high frequency to prevent EMI interference in on-board electronics....

Open the catalog to page 3

High-Speed, Low-Side Gate Drivers Product Overview - 4

HIGH-SPEED, LOW-SIDE DRIVERS Single Channel of Dual-Input/Single-Output Single Channel of Two-Input/One-Output Dual Inverting Channels Dual Non-Inverting Channels Dual Inverting Channels + Dual Enable Dual Non-Inverting Channels + Dual Enable Dual Channels of Two-Input/One-Output (Pinout 1) Dual Channels of Two-Input/One-Output (Pinout 2) Non-Inverting + Inverting + Dual Enables (20 V) Product Number Gate Drive (Sink/Src) (A) Input Threshold Non-Inverting + Inverting + Dual Enables (30 V) Dual Inverting Channels Dual Non-Inverting Channels Dual Inverting Channels + Dual Enable Dual...

Open the catalog to page 4