Power Controllers

Controller ensures maximum CPU speed without overheating.
Power Controllers

Controller ensures maximum CPU speed without overheating.

Housed in 38-lead, 5 x 7 mm QFN package, LTC3738 Intel VRM10 Pentium® 4 power supply controller provides precision current balancing and remote thermal monitoring capabilities. PolyPhase(TM) multichannel step-down dc/dc controller integrates 3 synchronous MOSFET drivers and is scalable from 3-12 phases to meet CPU load current requirements from 60-200 A. Unit distributes power equally among...

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Power Controllers

DC/DC Power Controller has 600 kHz operating frequency.

Model SP6134H offers dc/dc voltage conversion from input voltages from 28 V max down to output voltages as low as 0.8 V. Built-in sequence control allows power system to simultaneously or sequentially power up several supplies without use of any external components. Product uses filtering components such as inductors and capacitors and allows internal 800 mV reference to be reduced by applying...

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Power-Supply Tracker controls up to 4 supplies.
Power Controllers

Power-Supply Tracker controls up to 4 supplies.

Available in 24-pin SSOP and 24-lead DFN packages, LTC2925 power-supply tracking controller provides power-up and power-down profiles for systems with up to 4 supplies. By configuring resistors, IC ramps supplies up and down together with voltage offsets, time delays, or different ramp rates. Power-up timeout circuitry turns off supplies if external voltage monitor fails to indicate that all...

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Controller and Power Module suit Ethernet-powered appliances.
Power Controllers

Controller and Power Module suit Ethernet-powered appliances.

Model TPS2375 IC controller manages discovery, classification, and delivery of dc power to powered device, while providing power management control and protection. It withstands transients to 100 V and features 15 kV system-level ESD capability. Power-over-Ethernet plug-in power module PTB48540 helps detect, classify, and deliver up to 10 W of dc power. Requiring external Power-over-Ethernet...

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Digital Power Controller speeds product development.
Power Controllers

Digital Power Controller speeds product development.

Power, control, and data interfaces of MultiDriver(TM) Board provide integrated system for digital controller development. Switching power stage accepts 12-48V supplies and provides 6 A half-bridge or 3 A full-bridge output current. FlexController(TM) SOC allows verification of control algorithms through PC with FTview(TM) software. Data communication is through FlexBus(TM) isolated multi-drop...

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Controller/Driver Chipset suits VRM CPUs and processors.
Power Controllers

Controller/Driver Chipset suits VRM CPUs and processors.

Model FAN5019 multi-phase PWM controller and Model FAN5009 dual MOSFET driver form chipset that is part of VRM/VRD10.x power solution. Temperature-compensated inductor current sensing measures current and accurately sets and maintains loadline. FAN5009/FAN5019 chipset allows regulators to scale from 2, 3, or 4 phases and conveys 12 V main supply into core supply voltage.

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Power Controllers

PWM Controller handles input up to 28 V.

Model SP6132HV synchronous, step-down controller utilizes PWM architecture that drives dual NFET switches with efficiencies as high as 94%. It features programmable output voltage down to 0.8 V and maintains 1.5% accuracy. Internal 2 A gate drivers provide load current capability up to 30 A. Controller is suited for stepping down DC input voltages from 3.3-28 V in automotive, mobile phone base...

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DC/DC Controllers achieve up to 92% power efficiency.
Power Controllers

DC/DC Controllers achieve up to 92% power efficiency.

Models TPS40020 and TPS40021 are single-chip, synchronous buck controllers with input voltages from 2.25-5.5 V and output up to 25 A. They combine Predictive Gate Drive(TM) technology with integrated charge pump to enable regulated 5 V gate drive. Suited for non-isolated systems, units provide programmable fixed frequency up to 1 MHz and output voltage transient comparators with power good...

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Hot-Swap Power Controller supports PCI Express requirements.
Power Controllers

Hot-Swap Power Controller supports PCI Express requirements.

Model MIC2592A is a 3-rail by dual-slot power controller with SMBus interface, integrating all circuitry for controlling external MOSFETs for +12 and +3.3 V rails. For +3.3 VAUX rails, unit integrates control circuitry, current sense, and power MOSFETs. For all 3 rails, controller offers adjustable overcurrent timeout, electronic circuit-breaker fault protection, input undervoltage lockout,...

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Power Controllers offer 400 µs overcurrent timeout delay.
Power Controllers

Power Controllers offer 400 µs overcurrent timeout delay.

Models MIC1640 and MIC2594 are hot-swap power controllers that operate from -19 to -80 V with 100 V surge protection. They allow safe insertion and removal of line cards from -48 V backplanes. Produced in 8-pin, SOIC packages, units control external N-channel MOSFET to provide inrush-current limiting and over-current protection. Each device provides either open-drain, active-HIGH or active-LOW...

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