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SML2120 Programmable Adaptive Laser Power Controller with Dual Lookup Tables
FEATURES
- Integrated Automatic Power Control (APC) circuit
- 100 mA bias current sink capability
- Dual low-current outputs (up to 2.5 mA) based on two independent 256x8 Lookup Table values
- Bias current and/or temperature monitoring capability
- Dual high/low alert registers
- Advanced lookup algorithm eliminates unnecessary output changes
- Flexible voltage operation; 0 to 5V, 0 to 3.3V, or -5.2V to +3.3V
- I2C 2-wire serial bus interface for programming configuration, control values, monitoring, and operational status - 100KHz and 400KHz
- Small 5X5 28-Pin QFN Packagehttp://img.directindustry.com/images_di/2ai/save-En.gif
Enregistrer
APPLICATIONS
- Laser power management for Telecom/Datacom motherboards
- Direct modulation and electro-absorptive modulation applications
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SMH4811A Programmable Distributed Power Hot-Swap Controller for High-Availability Systems
FEATURES
- Soft Starts Main Power Supply on Card Insertion or System Power Up
- Senses Card Insertion via Short Pins or Ejector Switches
- Master Enable to Allow System Control of Power Up or Down
- Can be used as a Temperature Sense Input
- Programmable Independent Controls of a DC/DC Converter
- Not Enabled until Host Supply Fully Soft Started
- Programmable Time Delay
- Available Input to hold off Dependant Enables until Conditions are Satisfied
- Highly Programmable Circuit Breaker
- Programmable Host Voltage Fault Monitoring
- Programmable Forced Shutdown Timer
- Internal Shunt Regulator Allows a Wide Supply Range
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Power Management IC solutions ranging from standard ICs to high performance plug-in, power brick, digital power and integrated power modules.
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General description :
Intersil is a recognized global leader in power management solutions, offering a broad portfolio of products that simplify a variety of power designs. Intersil's family of power management ICs ranges from building blocks, including charge pumps, to highly-integrated, multiple-output, and multiphase PWMs, to quad-voltage hot-swap controllers. As a leading supplier of PWM controller ICs with over 2 billion units shipped, Intersil addresses a broad range of power management needs for applications that include computing, communications, peripherals, display, networking, telecommunications, industrial, instrumentation, and battery-powered products.
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PowerWise® AVS adaptive voltage and threshold scaling technology reduces energy consumption in digital processors by up to 70%. The use of simple standard hardware interfaces and National's collaboration with industry leaders such as ARM, TSMC, UMC, and Synopsys ensures that this technology can be used on any CMOS process, with standard design tools and flows.
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Controllers - Regulators - PFCs - Drivers - Supervisors:
ON Semiconductor offers a broad portfolio of power management devices that improve the efficiency of AC-DC & DC-DC power supplies, covering the complete power chain From the Socket to the Pocket™. These devices improve active-mode efficiency, lower standby-mode power consumption, and deliver power factor correction.
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STMicroelectronics is a leading supplier of semiconductors for Power Management. A range of turnkey solutions address the growing demand for innovation to achieve higher efficiency, higher power density and lower standby power.
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Linear Technology manufactures a broad line of high performance low dropout linear regulators (LDO). These LDOs offer very low dropout, fast transient response, excellent line and load regulation, and have a very wide input voltage range, from 0.9V to 80V. Output currents range from 100mA to 10A, with positive, negative and multiple outputs.
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FEATURES
- Digital programming of all major parameters via I2C interface and non-volatile memory
- Output voltage setpoint/margining
- Sequencing & digital soft start
- Enable/Disable outputs independently
- Input/Output UV/OV voltage thresholds
- PWM/PFM mode
- Eight programmable regulator channels with 1.5% accuracy
- Three synchronous step-down (Buck) with internal PFETs
- One configurable step-up (Boost) or synchronous step-down (Buck)
- Two step-up (Boost)
- One configurable step-up (Boost) or inverting step-up/down (Buck-Boost)
- One adjustable output voltage LDO
- Programmable Linear Li-Ion Battery Charger
- Precharge/fast charge/termination current
- Fast Charge voltage threshold
- Float Voltage
- +2.7V to +6.0V Input Range (Higher system voltages supported)
- Built-in current limiting, UV/OV, and thermal protection
- Highly accurate reference and output voltage (<1.5%)
- 1MHz PWM frequency and automatic power saving PFM mode
- 96 bytes of user configurable nonvolatile memory
APPLICATIONS
- Portable Media Players
- Digital camcorders/still cameras
- Smart PDA/Camera phones
- Handheld GPS/PDA's
- Portable Equipmen
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Power Management IC solutions ranging from standard ICs to high performance plug-in, power brick, digital power and integrated power modules.
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SMT4214 Expandable Four-Rail Tracking Manager
Features
- Programmable Tracking Function
- Programmable Voltage Monitoring of 4 or more Independent Supplies
- Programmable Under-Voltage Thresholds
- Provides Soft Start, Reset, IRQ and Force Shutdown functions
- Minimizes Supply Differential During Power-on and Power-off
- Operates From Any One of Four Supply Voltages
- Easily Expandable to Control up to 32 Supplies
- Packaged in a 28 Lead SSOP Applications
Applications
- Multi-voltage supply rail manager for
- Telecom Infrastructure
- Compact PCI
- Servers
- Multi-voltage Network Processors, DSPs, ASICs
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SMM105: Single-Channel Supply Voltage Marginer and Active DC Output Controller
FEATURES
- Extremely accurate (±0.1%) Active DC Output Control (ADOC™)
- ADOC Automatically adjusts supply output voltage level under all DC load conditions
- Capable of margining supplies with trim inputs using either positive or negative trim pin control
- Wide Margin/ADOC range from 0.3V to VDD
- Uses either an internal or external VREF
- Operates from any intermediate bus supply from 8V to 15V and from 2.7V to 5.5V
- Programmable START and READY pins
- Two programmable general purpose monitor sensors - UV and OV with FAULT Output Flag
- General Purpose 1k EEPROM with Write Protect
- I2C 2-wire serial bus for programming configuration and monitoring status.
- 28 pad QFN or 25 ball Ultra CSP™ (Chip-Scale) package
APPLICATIONS
- In-system test and control of Point-of-Load (POL) Power Supplies for Multi-voltage Processors, DSPs and ASICs
- Enterprise and edge routers, servers, Storage Area Network
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Si825x
The Si825x family of programmable digital power controllers provides closed-loop feedback control, system protection and power management functions for switch mode power systems and motor control applications.
Features
Single-chip, flash-based digital controller
Dedicated DSP-based loop processor
50 MIPS flash system management processor
Comprehensive, low-cost development kit
5x5 mm 28QFN and 32LQFP packages
125 °C maximum operating temperature
Applications
DC-DC, AC-DC converters
PFC circuits
Motor control systems
Isolation
UPS system
Level shifting
Ground loop elimination
Isolated analog data acquisition
Operator interface controls
Plasma TVs
Ethernet/CAN networks
Isolated point-to-point communications
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