Power Management ICs

High-speed synchronous buck regulator controller with ±1.5% feedback accuracy. Supports 1V-14V power stage input, adjustable output down to 0.6V, and pre-bias startup. Ideal for 3.3V conversion, DSL, and DSP power modules.

The LM1117DTX-3.3/NOPB is a high-efficiency 800mA low-dropout linear regulator with fixed 3.3V output. Features current limiting, thermal protection, and ±1% output accuracy. Ideal for post-regulation, battery chargers, and SCSI-2 termination. Available in SOT-223 package.

Precision shunt regulator for optoisolator feedback in isolated DC/DC converters. Features ±1% tolerance, 20µA-15mA output, and low temp coefficient. Available in SOT23-5 package. Ideal for high-precision monitoring and regulator systems.

The NCP565 is a 1.5A low dropout linear regulator with ultra-fast transient response and low ground current. Features adjustable output down to 0.9V, current limit, thermal shutdown, and Pb-free D2PAK packaging. Ideal for servers, ASIC supplies, and post-regulation.

Monolithic DC-DC converter IC with 1.5A output switch, 100kHz operation, and 2% precision reference. Features current limiting, low standby current, and adjustable output voltage. Ideal for step-down, step-up, and voltage-inverting applications. Pb-free and available in SOIC-8 package.

Precision voltage supervisory IC for 3V, 3.3V, and 5V systems. Holds microcontroller in reset until stable voltage, with 350ms reset delay. ±125mV accuracy, 45µA typical current. Industrial temp range -40°C to +85°C. Available in SOT23 package.

Low-noise precision voltage reference with 4.096V output, ±0.02% initial accuracy, and 1ppm/°C tempco. Features buried-zener technology, ±15mA output drive, and optional noise reduction. Ideal for 16-bit data converters and industrial control.

High-efficiency (>90%) buck regulator with 4.5V to 42V input range, 3A output, and 500kHz switching. Features precision enable, thermal shutdown, and current limiting. Ideal for industrial, telecom, and automotive applications. Available in PSOP-8 package.

The BQ27510DRZR-G2 is a system-side Li-Ion battery fuel gauge with patented Impedance Track technology. It provides accurate remaining capacity, state-of-charge, and time-to-empty predictions. Supports 1-series cells, I2C interface, and operates from -40°C to 85°C in a compact 12-pin SON package.

The LTC3707EGN is a high performance dual step-down regulator controller driving N-channel MOSFETs. Features 180° phased operation, ±1.5% accuracy, 150kHz to 300kHz frequency, and wide 4.5V to 28V input. Ideal for notebooks, battery chargers, and portable instruments.

High efficiency up to 96% step-down regulator IC. Drives 500mA load with 260kHz switching frequency. Features adjustable output from 1.21V to 37V, ±1.5% tolerance, thermal shutdown, and current limit protection. Requires only 5 external components. Available in SO-8 package.

Green Mode Fairchild Power Switch optimized for Quasi-Resonant Converters. Features under 1W standby power, 75W power dissipation, and built-in protections including OLP, OVP, and thermal shutdown. Ideal for CTV and audio amplifier applications.

Fixed frequency current mode controller with 65kHz oscillator, frequency foldback, and skip mode for light load efficiency. Features high-voltage startup, adjustable overpower compensation, and latch-off input for OTP. Pb-free and RoHS compliant.

RT8859MGQW is a VR12/IMVP7 compliant multi-phase PWM controller with 0.5% DAC accuracy and differential remote voltage sensing. It supports SVID interface, G-NAVP topology, and offers complete fault protection. Ideal for laptop CPU core power supply applications.

Fixed 15V output regulator IC delivering 100mA with ±5% tolerance. Features thermal overload protection, short circuit current limit, and safe area protection. Ideal for logic systems, instrumentation, and HiFi equipment. Available in SO-8 package.

The L6565D is a current-mode primary controller for offline quasi-resonant ZVS flyback converters. Features ultra-low startup current (

ICE2QS03G is a quasi-resonant PWM controller optimized for offline switch power supplies like LCD TV and notebook adapters. Features active burst mode for ultra-low standby power under 100mW, digital frequency reduction for high efficiency, and integrated power cell. Includes comprehensive protections: VCC OVP/UVP, open-loop, overload, and adjustable output OVP. Ideal for flyback converters.

The TOP232PN integrates a high voltage MOSFET, PWM control, and fault protection on a single CMOS chip. Features include frequency jittering for reduced EMI, soft-start, and line UV/OV detection. Supports 132 kHz operation and offers up to 15% higher power capability than previous generations.

Fixed-voltage regulator IC delivering up to 500mA output current. Features internal short-circuit current limiting, thermal-overload protection, and high power-dissipation capability. Ideal for on-card regulation and noise elimination. No external components required.

Positive voltage regulator delivering up to 500mA output current with 5% tolerance. Features reverse battery protection, 60V input transient protection, and wide ESR capacitor compatibility. Ideal for automotive and industrial applications. Available in SOT-223 package.