Power Management ICs

The LM3481MM is a versatile low-side N-FET controller for boost, flyback, and SEPIC topologies. Features adjustable 100kHz to 1MHz frequency, 2.97V to 48V supply range, 1A peak driver, current mode control, and thermal shutdown. Ideal for portable and distributed power systems.

KA7915TU is a 3-terminal negative voltage regulator delivering 1A output current in a TO-220 package. Features include internal thermal overload protection, short circuit protection, and output transistor safe area compensation. Ideal for industrial power supplies.

VIPER17L integrates an 800V avalanche rugged power section with PWM control and frequency jittering for low EMI. Features standby power

Logarithmic 3 dB/step LED driver IC with 30 dB range. Drives LEDs, LCDs, or VFDs in bar or dot mode. Operates from 3V to 25V single supply. Programmable output current 1-30 mA. Ideal for audio level meters and power indicators.

Monolithic IC drives 10 LEDs in dot or bar mode. Features adjustable reference, programmable current (2-30 mA), and ±35V input protection. Ideal for analog meters, visual alarms, and expandable displays up to 100 steps. Operates from 3V supply.

The NCP1337P combines true current mode modulation with demagnetization detection for borderline/critical conduction mode. Features include auto-recovery short-circuit protection, brown-out protection, OVP, and internal 4ms soft-start. Ideal for AC-DC adapters, battery chargers, and consumer electronics. Pb-free.

LNK304PN is a high-efficiency off-line switcher IC from the LinkSwitch-TN family. It integrates a 700V MOSFET, frequency jittering for low EMI, and auto-restart protection. Ideal for replacing linear and cap dropper supplies in appliances and LED drivers up to 360 mA.

The TOP245PN is a high-performance integrated off-line switcher from the TOPSwitch-GX family. It features a 700V drain voltage, 2.88A peak current, and 132 kHz switching frequency. EcoSmart technology ensures low standby power. Ideal for efficient, compact power supply designs with reduced system cost.

The TOP243PN is a high-performance integrated off-line switcher from the TOPSwitch-GX family. It features extended power range, no heatsink required up to 34W, frequency jittering for low EMI, and EcoSmart energy efficiency. Ideal for cost-effective, compact power supply designs.

The 4N35 is a single channel 6 pin DIP optocoupler featuring a GaAs infrared LED and NPN phototransistor. It offers 5300 VRMS isolation, UL and VDE approvals, and stable performance via TRIOS technology. Ideal for AC detection, logic isolation, and SMPS feedback.

High-performance current mode PWM controller for offline and DC-DC converters. Features low 0.5mA start-up current, 500kHz operation, pulse-by-pulse limiting, and ±1% bandgap reference. Ideal for flyback, forward, buck, and boost designs.

The TDE1898RDP is a 0.5A high-side intelligent power switch using Multipower BCD technology. It features internal current limiting, thermal shutdown, open load detection, and fast inductive load demagnetization. Ideal for rugged industrial applications requiring reliable CPU feedback and diagnostic outputs.

Monolithic IC senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays with logarithmic 3 dB/step. Features bar or dot mode, adjustable voltage reference, and programmable output current. Operates from 3V to 25V single supply. Ideal for audio level, power meters, and RF signal strength indicators.

Compact 1W isolated unregulated DC/DC converter with up to 85% efficiency, thermal and short-circuit protection, and EN55022 Class B EMC. Ideal for industrial control, data acquisition, and ground loop elimination. UL1950 recognized, available in DIP-14 and SOP-14 packages.

The TNY275PG is a high-voltage off-line switcher IC from the TinySwitch-III family, integrating a 700V power MOSFET and ON/OFF controller. It offers selectable current limits, frequency jittering for low EMI, and auto-restart protection. Ideal for low-cost, reliable power supplies in B2B industrial applications.

The RT9011 is a dual-channel low dropout regulator delivering 300mA per output with 2% accuracy and ultra-low 27μA quiescent current. Features short circuit thermal folded back protection, operates with tiny ceramic capacitors, and is available in TSOT-23-6 and WDFN packages. RoHS compliant.

UC3845AD8TR is a pin-compatible improved current mode PWM controller IC optimized for offline and DC-DC converters. Features low startup current under 0.5mA, 500kHz operation, automatic feed forward compensation, and pulse-by-pulse current limiting. Ideal for high-efficiency power supplies.

The M25PE80 is an 8 Mbit low-voltage Page-Erasable Serial Flash memory with 50 MHz SPI bus. Features page write in 11 ms, over 100,000 write cycles, and 20-year data retention. Available in RoHS-compliant ECOPACK packages. Ideal for industrial and embedded applications.

High-efficiency 1A buck regulator with 60V input capability. Fixed 5V output, 52kHz oscillator, thermal shutdown, and current limit. Requires only 4 external components. Ideal for industrial power supplies.

High-voltage high-current Darlington transistor array with 500mA rated collector current and 50V outputs. AEC-Q100 qualified for automotive applications. Includes output clamp diodes and ESD protection. Ideal for relay drivers and inductive loads.