STMicroelectronics Manuals

LIS3LV02DL is a three-axis digital output linear accelerometer produced by ST company, which includes a sensing element and an IC interface that can convert the information of the sensing element into digital signals and output it through the I2C/SPI serial interface.

LM135-LM235-LM335 precision temperature sensors, which are directly calibrated in °K, have an initial accuracy of 1°C, operate within a current range of 450μA to 5mA without altering their characteristics, and have a dynamic resistance of less than 1Ω.

LM134-LM234-LM334 are 3-terminal adjustable current sources characterized by: an operating current range of 10000:1, excellent current regulation, a wide dynamic voltage range of 1V t 10V.

This document introduces the main characteristics of the L6917 power supply controller, including 2-phase operation, synchronous rectifier control, ultra-fast load transient response, integrated high current gate driver, TTL-compatible 5-bit programmable output compliant with VRM 9.0, 0.8% internal reference accuracy, 10% active current sharing accuracy, digital 2048 step soft-start, overvoltage protection, overcurrent protection, 300 kHz internal oscillator, oscillator externally adjustable up to 1MHz, power good output and inhibit function, remote sense buffer, etc.

The document describes a power supply controller specifically designed to provide high-performance DC/DC conversion for high-current microprocessors. The device implements a dual-phase step-down controller with a 180° phase-shift between each phase. A precise 5-bit digital-to-analog converter (DAC) allows adjusting the output voltage from 1.100V to 1.850V with 25mV binary steps. The high-precision internal reference ensures the selected output voltage to be within ±0.8%. The high peak current gate drive affords fast switching to the external power MOS, providing low switching losses. The device ensures fast protection against load overcurrent and load over/undervoltage. An internal crowbar is provided, turning on the low side MOSFET's RdsON or a sense resistor for overcurrent protection.

The document describes a high-performance DC/DC converter designed for high current microprocessors. The device implements a dual-phase step-down controller with a 180° phase-shift between each phase. A precise 5-bit digital to analog converter (DAC) allows adjusting the output voltage from 1.100V to 1.850V with 25mV binary steps. The high precision internal reference assures the selected output voltage to be within ±0.8%. The high peak current gate drive affords to have fast switching to the external power MOS providing low switching losses. The device ensures fast protection against load over current and load over/under voltage. An internal crowbar is provided for overvoltage protection.

This document describes a power supply integrated circuit (IC) called L6911E. The IC features an operating supply voltage from 5V to 12V buses, up to 1.3A gate current capability, a TTL-compatible 5-bit programmable output compliant with VRM 8.5 (providing output voltage from 1.050V to 1.825V with 0.025V binary steps), voltage mode PWM control, excellent output accuracy (+/-1%) over line and temperature variations, very fast load transient response, power good output voltage, overvoltage protection and monitor, overcurrent protection realized using the upper MOSFET's RdsON, 200kHz internal oscillator, externally adjustable oscillator from 50kHz to 1MHz, and soft start and inhibit functions. The IC is suitable for power supply applications for advanced microprocessor cores and distributed power supply.

The product is a high-performance DC-DC converter that can provide power for high current microprocessors. It has a 5-bit digital to analog converter (DAC) that allows adjusting the output voltage from 1.30V to 2.05V with 50mV binary steps and from 2.10V to 3.50V with 100mV binary steps. The high precision internal reference assures the selected output voltage to be within ±1%. The high peak current gate drive affords to have fast switching to the external power mos providing low switching losses. The device assures a fast protection against load overcurrent and load overvoltage. An external SCR is triggered to crowbar the input supply in case of hard over-voltage. An internal crowbar is also used to protect the output voltage.

L6911C is a step-down converter chip introduced by STMicroelectronics. The chip supports a supply voltage of 5V to 12V, a maximum drive current of 1.3A, and an output voltage that can be adjusted through a 5-bit programmable voltage. The output accuracy is ±1%. The chip also supports soft start and inhibit functions and can be widely used in advanced microprocessor core, distributed power supply and high power DC-DC regulators.

The L6911B is a power supply controller specifically designed to provide high-performance DC/DC conversion for Pentium II Microprocessors. It features a precise 5-bit digital-to-analog converter (DAC) that allows for adjustable output voltage from 1.3V to 2.05V in 0.05V binary steps and from 2.1V to 3.5V in 0.1V binary steps. The high-precision internal reference, digitally trimmed, ensures the selected output voltage within +/-1% accuracy. The device provides excellent load transient response and stable output accuracy thanks to the window comparator system. It supports overvoltage protection and overcurrent protection. The operating frequency ranges from 50kHz to 1MHz. It meets Intel Pentium II specifications and includes a disable function.

The document describes the features and characteristics of the L6910 and L6910A products, including operating voltage range, gate current capability, adjustable output voltage, non-inverting input, voltage reference, PWM control, load transient response, duty cycle, power good output, overvoltage protection, hiccup overcurrent protection, adjustable internal oscillator frequency, soft start and inhibit. It is applicable for supply to memories and terminations, computer add-on cards, low voltage distributed DC-DC, and mag-amp replacement applications.

The L6902D is a complete and simple step down switching regulator with adjustable current limit. Based on a voltage mode structure it integrates a current error amplifier to have a constant voltage and constant current control. By means of an on board current sense resistor and the availability of the current sense pins (both compatible to Vcc and for Cs- compatible with GND too) a current limit programming is very simple and accurate (±5%). Moreover constant current control can be used to charge NiMH and NiCd batteries. The device can be used as a standard DC/DC converter with adjustable current limit (set by using the external sense resistor). The internal robust P-Channel DMOS transistor with a typical of 250mΩ assures high efficiency and a minimum dropout even at high output current level. The internal limiting cur

The L6599 high-voltage resonant controller features 50% duty cycle, variable frequency control of resonant half-bridge, high-accuracy oscillator, up to 500kHz operating frequency, two-level OCP: frequency-shift and latched shutdown, interface with PFC controller, latched disable input, burst-mode operation at light load, input for power-ON/OFF sequencing or brownout protection, non-linear soft-start for monotonic output voltage rise, 600V-rail compatible high-side gate driver with integrated bootstrap diode and high dV/dt immunity, -300/800mA high-side and low-side gate drivers with UVLO pull-down, DIP-16, SO-16N packages

The product is the L6598 power controller from STMicroelectronics. It supports high voltage power supply, with a driving capacity of 250mA source and 450mA sink. It has soft start, frequency shifting, timing control and other functions.