buck

Integrated Coulomb Counter

LTC3335 – Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter

Electronics News Updates /

Features 680nA Input Quiescent Current (Output in Regulation at No Load) 1.8V to 5.5V Input Operating Range Selectable Output Voltages of 1.8V, 2.5V, 2.8V, 3V, 3.3V, 3.6V, 4.5V, 5V Integrated Coulomb Counter Measures Accumulated Battery Discharge ±5% Battery Discharge Measurement Accuracy Programmable Peak Input Current of 5mA, 10mA, 15mA, 25mA, 50mA, 100mA, 150mA, 250mA Up to 50mA of Output […]

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Multichemistry Buck Battery Charger Controller with Digital Telemetry System

LTC4015 – Multichemistry Buck Battery Charger Controller with Digital Telemetry System

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Features Multichemistry Li-Ion/Polymer, LiFePO4, or Lead- Acid Battery Charger with Termination High Efficiency Synchronous Buck Battery Charger Digital Telemetry System Monitors VBAT, IBAT, RBAT,NTC Ratio (Battery Temperature), VIN, IIN, VSYSTEM, Die Temperature Coulomb Counter and Integrated 14-Bit ADC Wide Charging Input Voltage Range: 4.5V to 35V Wide Battery Voltage Range: Up to 35V Input Undervoltage Charge Current Limit

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Buck controller allows 48V to 1V direct step down

Buck controller allows 48V to 1V direct step-down

Electronics News Updates /

Key Features Wide input voltage range: 4.5V to 60V Wide output voltage range: 0.6V to 54V Light-load efficiency enhancement Low ripple diode emulation mode with pulse skipping Programmable soft-start Supports prebiased output with SR soft-start Programmable frequency: 100kHz to 2MHz External sync PGOOD indicator Forced PWM Adaptive shoot-through protection No external current sense resistor Use

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Buck Boost μModule

LTM8056 – 58VIN, 48VOUT Buck-Boost μModule (Power Module) Regulator

Electronics News Updates /

Features Complete Buck-Boost Switch Mode Power Supply Wide Input Voltage Range: 5V to 58V 12V/1.7A Output from 6VIN 12V/3.4A Output from 12VIN 12V/5.4A Output from 24VIN Up to 96% Efficient Adjustable Input and Output Average Current Limits Input and Output Current Monitors Parallelable for Increased Output Current Wide Output Voltage Range: 1.2V to 48V Selectable

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High voltage buck regulators stay cool in tiny packages

High-voltage buck regulators stay cool in tiny packages

Electronics News Updates /

A family of pin-compatible synchronous step-down switching regulators with integrated power switches, the MIC28511/12/13 from Micrel, supplies up to 4 A of output current (MIC28513) and accepts a wide input supply range of 4.6 V to 70 V (MIC28512). The devices have an operating junction temperature range of -40°C to +125°C and come in very

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60V Low IQ Triple Output Buck Buck Boost Synchronous Controller

LTC3899 – 60V Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller

Electronics News Updates /

Features Dual Buck Plus Single Boost Synchronous Controllers Wide Bias Input Voltage Range: 4.5V to 60V Outputs Remain in Regulation Through Cold Crank Down to a 2.2V Input Supply Voltage Buck and Boost Output Voltages Up to 60V Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One

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Buck boost inverting controller delivers up to

Buck/boost/inverting controller delivers up to 20 A

Electronics News Updates /

A synchronous PWM controller for negative-to-negative or negative-to-positive DC/DC conversion, the LT8709 from Linear Technology is easily configured for buck, boost, buck-boost, and inverting topologies to accommodate a wide range of power-supply designs. The device’s synchronous operation means that the output diode is replaced with a high-efficiency P-channel MOSFET, increasing efficiency and allowing for higher

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Channel 8A Configurable Buck with Watchdog and Power On Reset

LTC3371 – 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset

Electronics News Updates /

Features 8 × 1A Buck Power Stages Configurable as 2, 3 or 4 Output Channels 8 Unique Output Configurations (1A to 4A Per Channel) Independent VIN Supplies for Each DC/DC (2.25V to 5.5V) Low Total No Load Supply Current: 15μA In Shutdown (All Channels Off) 68μA One Channel Active in Burst Mode® Operation 18μA Per Additional

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