Power Management ICs

The UCC28950 is a high-efficiency phase-shifted full-bridge controller with synchronous rectification, supporting ZVS up to 1 MHz. Features burst mode, DCM, and programmable delays for light-load efficiency. Ideal for server, telecom, and industrial power supplies. Available in TSSOP-24 package.

Advanced current-mode PWM controller for active clamp/reset topologies. Features 110V startup, 2A peak gate drive, programmable deadtime, and 1MHz sync oscillator. Ideal for high-efficiency DC/DC supplies in telecom, server, and automotive applications. Pb-free package.

High efficiency synchronous buck PWM with dual linear controllers. Supports 4.75V to 28V input, adjustable 200kHz-600kHz frequency, and 0.8V reference. Features OCP, OVP, UVP, soft start, and RoHS compliance. Ideal for LCD monitors and desktop IA.

High voltage half-bridge driver IC for MOSFET and IGBT, operating up to 600V. Features 120mA/250mA output, 10-20V gate drive, 500ns dead-time, and UVLO. Compatible with 3.3V logic. Available in lead-free package. Ideal for industrial power applications.

ULN2003A high-voltage high-current Darlington transistor array features 7 NPN pairs rated at 500mA and 50V. Includes output clamp diodes for inductive loads. Ideal for relay drivers, lamp drivers, and logic buffers. Compatible with TTL and 5V CMOS.

High-efficiency charge-pump voltage inverter with 90% efficiency and 120µA operating current. Converts +1.5V to +5.5V input to -1.5V to -5.5V output. Supports voltage doubling. Selectable 10kHz/80kHz oscillator. Pin-compatible ICL7660 upgrade. Ideal for battery-powered and board-level applications.

The MC34064 is a precision undervoltage sensing circuit for microprocessor reset control. Features a trimmed bandgap reference, 4.6V comparator threshold, built-in hysteresis, and 10mA sink output. Guaranteed operation down to 1.0V with low standby current. Available in Pb-free TO-92, SOIC-8, and TSOP-5 packages.

The LT1763CS8 is a 500mA low dropout regulator with ultra-low 20µVRMS noise and 30µA quiescent current. Ideal for battery-powered systems, it supports 1.8V to 20V input, fixed/adjustable output, and is stable with ceramic capacitors. Overcurrent and reverse battery protection included.

LP3875-ADJ 1.5A fast ultra low dropout linear regulator with 38mV dropout at 150mA. Features low ground pin current, 10nA shutdown mode, and adjustable output voltage. Ideal for microprocessor power supplies and battery applications. Available in TO-263, TO-220, and SOT-223 packages.

The ADP150 is an ultralow noise 9µV rms CMOS linear regulator delivering up to 150mA output current. It operates from 2.2V to 5.5V input with a low dropout of 105mV. No external noise bypass capacitor needed. Ideal for RF, PLL, and portable medical devices. Available in TSOT and WLCSP packages.

Cost-effective dual synchronous buck controller for notebook power supplies. Features 5V and 3.3V LDOs, ±1% reference accuracy, adaptive on-time D-CAP control, and 300kHz/355kHz frequency. Supports 5.5V-24V input with OVP/UVP/OCP protection. Available in 20-pin 3mm x 3mm QFN package.

Wide input voltage non-synchronous boost controller for LED, flyback, and SEPIC apps. Features programmable soft start, overcurrent protection, and adjustable oscillator frequency. Ideal for industrial and battery-powered systems.

Fixed frequency current mode controller for offline and DC-DC converters. Features trimmed oscillator, high gain error amp, totem pole output, cycle-by-cycle limiting, and undervoltage lockout. Available in Pb-free packages.

Integrated 0.15-ohm MOSFET, 7V to 15V operation, and digital-programmable current limit from 0A to 3A. Features thermal shutdown, fault indicator, and low thermal resistance packaging. Ideal for hot-swap and circuit breaker applications.

LP38691DT-5.0 is a 500mA low dropout CMOS linear regulator with 250mV dropout voltage and 2.0% output accuracy. Stable with ceramic capacitors, it features thermal protection and foldback current limiting. Ideal for battery-powered devices, hard drives, and notebooks. Available in SOT-223, TO-252, and LLP packages.

The LNK606DG-TL is a monolithic IC integrating a 700V power MOSFET and ON/OFF control. It eliminates optocouplers for simplified CV/CC charger designs, offering tight regulation, frequency jittering, and auto-restart protection. Halogen-free and RoHS compliant.

Precision reset IC for 2.5V/3.3V/5V systems. Features 100ms reset pulse, 6µA supply current, and 2kV ESD rating. Ideal for portable equipment. Available in SOT23-5 package with industrial temp range.

High-efficiency PWM step-down regulator in Thin SOT23-6 package. Drives 1A loads with 300mΩ NMOS switch. Supports 3V to 20V input, 0.8V output. Features 30nA shutdown, internal soft-start, and current-mode control. Ideal for point-of-load and battery-powered applications.

Single monolithic bootstrap driver for N-Channel MOSFETs up to 120VDC. Features 200mA peak drive, 100kHz switching, undervoltage protection, and separate rise/fall time control. Ideal for automotive solenoids, motors, and relays. SO-8 package.

The BTS441T is a smart highside power switch with 20mΩ on-state resistance and 41V operating voltage. It integrates N-channel vertical power FET with protective functions including short circuit, overload, and thermal shutdown. Ideal for 5V, 12V, and 24V DC applications, replacing relays and fuses.