Power Management ICs

High-efficiency 1A buck regulator with adjustable output from 1.23V to 37V. Requires only 4 external components, features thermal shutdown and current limit protection. Ideal for on-card switching and pre-regulator applications.

The LTC4357 is a positive high voltage ideal diode controller that drives an N-channel MOSFET to replace Schottky diodes. It reduces power loss, heat, and board space while enabling smooth current transfer and fast reverse current protection for high availability systems.

Fully integrated signal and power isolated RS-485 transceiver with ±15 kV ESD protection. Features isoPower DC-DC converter, 500 kbps data rate, 5V/3.3V operation, and 256-node bus support. Ideal for industrial field networks. UL and VDE certified.

High-performance current-mode PFC controller in Transition Mode. Features ultra-low start-up current (≤70µA), precise 1% reference voltage, and 600mA/800mA totem-pole gate driver. Ideal for EN61000-3-2 compliant SMPS up to 300W. Available in DIP-8/SO-8 packages.

Fixed-voltage monolithic regulator IC delivering up to 100mA output current. Features internal thermal overload protection and short-circuit limiting. Ideal for on-card regulation, noise reduction, and high-current applications with external pass elements. Reliable and overload immune.

High input voltage (28V) single-cell Li-Ion battery charger in SOP-8 package. Features programmable CC-mode current up to 600mA, ±0.7% voltage accuracy, and over-voltage protection. Ideal for cell phones, Bluetooth accessories, and MP3 players. Pb-free and cost-effective.

High efficiency 3A step down converter with 3.5V to 28V input range. Features integrated 80mΩ MOSFET, adjustable output down to 0.8V, pulse skipping Eco mode, and 570kHz switching frequency. Ideal for industrial power supplies.

High-efficiency step-up DC/DC converter with 1.6A internal switch and pin-selectable 600kHz/1.3MHz frequency. Ideal for TFT bias supplies and portable devices. Features over-temperature protection and low-profile MSOP-8 package. Reliable for demanding applications.

High-performance 50mA low-dropout regulator in SOT-23 package. Features ultra-low ground pin current,

High efficiency switching regulator with 1.25A internal switch, wide 3V to 60V input range, and low 6mA quiescent current. Ideal for logic supplies, battery converters, and offline designs. Available in MiniDiP, TO-220, and TO-3 packages.

High-efficiency SIMPLE SWITCHER buck regulator with 6-75V input range and 3A output. Features integrated 170mΩ MOSFET, adjustable 50-500kHz frequency, and robust protections. Ideal for industrial power supplies.

Low quiescent current 23µA LDO regulator with 500mA output and 350mV dropout. Wide 2.3V to 30V input range, stable with ceramic capacitors. Features enable input, error flag, overcurrent and reverse battery protection. Ideal for automotive and industrial keepalive power.

The LM5007SD is a high voltage 80V step down switching regulator with a 0.7A N-Channel Buck Switch. Features hysteretic control for fast transient response, no loop compensation, and intelligent current limit. Ideal for automotive and non-isolated buck applications. Available in MSOP-8 and LLP-8 packages.

Adjustable three-terminal positive-voltage regulator with output range 1.25V to 37V and current over 1.5A. Features thermal overload protection, short-circuit limiting, and safe-area compensation. Ideal for programmable output and on-card regulation.

1.5A guaranteed output with ultra low dropout voltage (200mV typ). Features ±1.5% tolerance, logic-controlled shutdown, and stable with ceramic capacitors. Ideal for microprocessor and DSP power supplies. Available in PPAK, DPAK, and DFN8 packages.

High-efficiency DMOS full bridge driver for motor control, supporting up to 48V supply and 5A peak current. Features low RDS(on) of 0.3Ω, TTL/CMOS compatible inputs, thermal shutdown, and cross-conduction protection. Ideal for industrial automation and robotics.

Precision 2.5V band-gap voltage reference diode with 20 µA to 20 mA operating range. Features low dynamic impedance, excellent temperature stability, and tight tolerance. Ideal for portable meters, regulators, and analog circuits. Available in TO-92, SO, and SOT-23 packages.

High-performance PWM controller IC with 8-35V operation, 5.1V ±1% reference, and 100Hz-500kHz oscillator. Features adjustable deadtime, soft-start, undervoltage lockout, and dual 200mA source/sink outputs. Ideal for industrial power supplies and battery-powered equipment.

The TC4424COE is a robust 3A dual MOSFET driver with 4.5V to 18V supply range. It drives 1800 pF loads in 25 ns, features latch-up protection up to 1.5A, and 4 kV ESD protection. Ideal for switch mode power supplies and line drivers.

MC33368DR2G is an active PFC boost preconverter IC optimized for low power, high density supplies. Features lossless startup, overvoltage protection, LEB, watchdog timer, and restart delay. Pb-free package available. Ideal for compact, efficient designs.