STMicroelectronics Manuals

STCF05 is a high efficiency power supply solution from STMicroelectronics to drive multiple flash LEDs in camera phones, PDAs and other hand-held devices. The synchronous boost topology with output current control guarantees the proper LED current over all possible conditions of battery level and LED forward voltage. All the functions of the device are controlled through the I²C bus that allows to reduce the circuit design complexity.

The document describes a dual DC-DC converter called STOD02, which is designed to power AMOLED displays. The converter features step-up and inverter converters, an operating input voltage range from 2.5V to 4.5V, synchronous rectification for both converters, a maximum output current of 150mA, a fixed positive output voltage of 4.6V, and a programmable negative voltage from -2.3V to -5.9V. It also has a typical efficiency of 85%, pulse skipping mode in light load condition, PWM mode control switching frequency of 1.6MHz, shutdown mode with low quiescent current, soft-start with inrush current protection, over temperature protection, and a temperature range of -40°C to 85°C. The converter is suitable for active matrix organic LED power supply, mobile phones, PDAs, camcorders, and digital still cameras.

This document describes the features and characteristics of the VIPER16 fixed frequency VIPerTM plus family, including 800 V avalanche rugged power section, PWM operation with frequency jittering for low EMI, no need of auxiliary winding for low power application, standby power < 50 mW at 265 VAC, etc.

The L7981 is a step-down switching regulator with a DC output current of 3A, an input voltage range of 4.5V to 28V, an adjustable output voltage starting from 0.6V, a switching frequency of 250kHz (programmable up to 1MHz), internal soft-start and enable functions, low dropout operation, voltage feed-forward, zero load current operation, overcurrent and thermal protection, etc. It is suitable for consumer electronics, industrial equipment, networking devices, and computer applications, and is suitable for LED driving.

The L7980 is a 2A step-down switching regulator from STMicroelectronics. It features a wide input voltage range, adjustable output voltage, adjustable switching frequency, internal soft-start and enable functions, zero load current operation, overcurrent protection and thermal protection.

LNBP8L,LNBP9L,LNBP10L,LNBP11L are monolithic linear voltage regulators for satellite receivers. They are designed to provide the powering voltages and the interfacing signals to the LNB down-converter. The regulator output can be logic controlled for 13 V or 18 V (typ.) by means of the EN/VSEL 3-state pin for remotely controlling the LNB.

VIPER27 is an offline converter from ON Semiconductor. It integrates an 800V avalanche rugged power section, PWM control, two levels of over-current protection, overvoltage and overload protections, hysteretic thermal protection, soft-start and safe auto-restart after any fault condition removal. It is suitable for auxiliary power supply for consumer and home equipments, ATX auxiliary power supply, low/medium power AC-DC adapters, set-top boxes, DVD players and recorders, white goods and other applications.

PM8834 is a flexible, high-frequency dual low- side driver specifically designed to work with high capacitive MOSFETs and IGBTs. It can independently sink and source 4 A current and has an embedded driver anti-shoot-through protection.

L6756D is a two-to-four phase controller designed to power Intel’s most demanding processors and, most in general, low-voltage, high-current power supplies. The device features LTB Technology® to provide the fastest response to load transients thus minimizing the output filter composition. L6756D embeds selectable DAC: output voltage is programmable up to 1.6000 V (Intel VR10 and VR11.x DACs) managing DVID transitions with ±0.5% output voltage accuracy over line, load and temperature variations. The device assures fast protection against load over current and under / over voltage. Feedback disconnection protection ensures that during the switching process, the feedback is connected to the voltage regulator, ensuring system stability.

VIPER28 is an off-line high voltage converter with an 800V rugged power section, PWM control, adjustable over-current and over-voltage protection, hysteretic thermal protection, soft-start, and safe auto-restart functionality.

L5987 is a 3A step-down switching regulator from STMicroelectronics. It features an adjustable output voltage, a 2.9V to 18V input voltage range, and soft-start and inhibit functions. It is suitable for use in consumer, industrial, networking, and computer applications.

The L5986 is a 2.5A step-down switching regulator from ST with a 3.0 A (min.) current limited embedded power MOSFET. It features 2.9V-18V input voltage, 0.6V-VIN adjustable output voltage, 250kHz switching frequency, programmable up to 1MHz, internal soft-start and inhibit, low dropout operation: 100% duty cycle, voltage feed-forward, zero load current operation, overcurrent and thermal protection, VFQFPN3x3-8L and HSOP8 package.

This is information on a product in full production. The document describes the features and characteristics of the L6591 PWM controller for ZVS half bridge. It includes programmable deadtime, operating frequency up to 500 kHz, onboard high-voltage startup, advanced light load management, adaptive UVLO, pulse-by-pulse OCP, OLP (latched or autorestart), transformer saturation detection, interface with PFC controller, latched disable input, power-on sequencing or brownout protection input, programmable soft-start, 4% precision external reference, 600 V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity, and SO16N package. The product is suitable for high power AC-DC adapter/charger, desktop PC, entry-level server, telecom SMPS.

L6743B is a high performance synchronous rectified MOSFET driver with high driving current for fast external MOSFET switching.

L6935 is a high performance 3A ULDO linear regulator featuring an up to 5V input voltage range, max RDS(on) of 60 mOhm, 35µA shut-down current, 3A maximum output current, split bias and power supplies, an adjustable output voltage range of 0.5V to 3.0V, excellent load and line regulation accuracy of 1% (over temperature), MLCC supported, programmable soft start, short circuit protection, 3.5A overcurrent protection, thermal shut-down, and a VFQFPN20 4 x 4 x 1.0 mm package