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2008-04-24 WLED driver packs negative charge pump, two LDOs
Maxim Integrated Products has introduced the MAX8822, said to be the industry's only WLED driver to combine a highly efficient negative charge pump with two independent LDO regulators.
2001-04-16 Using the CS5521/23, CS5522/24/28 and CS5525/26 charge pump drive for external loads
This application note explains the on-chip charge pump circuitry of the CS5521/23, CS5522/24/28 and CS5525/26 A/D converters and how it can be used in a system design.
2007-10-03 Ultrasmall charge pumps target handsets
Semtech has released the SC62X family of ultrasmall and highly programmable charge pumps for providing power to LCD backlights, LED flash and camera modules in mobile phones
2005-06-03 Tri-mode charge pump targets high volume cellphone market
Advanced Analogic Technologies introduced a high efficiency, low noise, constant frequency charge pump for white LED applications
2001-05-01 TPS6010x/TPS6011x charge pump
This application note discusses the basic operation, detailed description of the features, requirements and best choice of external components, recommended layout, and some design examples of the TPS6010x and TPS6011x charge pump devices.
2007-01-10 TI intros charge pump-based headphone amp
Texas Instruments' TPA6130A2 is the first product in the company's DirectPath line of charge pump-based headphone amps.
2001-09-27 The RC charge pump: A versatile RF library circuit for phase locked loops (PLL) and beyond
This application note describes the versatility of the RC Charge Pump token in SystemView's RF library to satisfy many design tasks.
2004-05-26 Sipex charge pump consumes 60?A
Sipex has launched a micro power inverting charge pump that is specifically designed to operate from battery input voltages ranging from 2.4V to 5.5V.
2005-06-14 Simple design of an ultra-low-ripple dc/dc boost converter with TPS60100 charge pump
This app note discusses battery-powered equipment that uses dc/dc step-up converters to generate supply voltages for internal circuits that require higher voltages than the available battery voltage
2011-04-20 Providing continuous gate drive using charge pump
Know the the design and implementation of a charge pump that allows the BOOT capacitor to remain charged beyond the time that would normally be achievable.
2005-11-08 ON Semi unveils "the only" floating regulated charge pump
ON Semiconductor released what it touts as the industry's only floating regulated charge pump for low power applications.
2006-01-23 New charge pumps for cellphone LED displays
Linear Tech released low noise, high efficiency 1x/1.5x/2x multimode charge pumps for driving main, camera and auxiliary LED displays in cellphones
2005-12-27 New charge pump tailored for cellphone camera apps
Linear Technology unveiled a 850kHz, high efficiency 1x/1.5x/2x multimode charge pump for driving multiple high current LEDs in cellphone camera apps.
2004-12-27 New charge pump eliminates need for inductor
The new fixed frequency, high efficiency charge pump from AnalogicTech can be used with ultra-small 1?F capacitors at VIN and VOUT.
2009-02-24 Negative charge pumps achieve inductor-like efficiency for WLED backlights
This application note presents a negative-charge-pump design that achieves the efficiency of inductor-based designs while still retaining the simplicity and low cost of an inductorless design.
2007-06-22 Negative charge offers optimized light management
Maxim Integrated Products introduces the MAX8647, a negative charge pump that provides the industry's highest efficiency in powering LCD display backlights.
2005-10-24 Mitsumi unveils charge-pump-type white LED drivers
Mitsumi Electric has developed a charge-pump-type IC that promises higher efficiency than its competitors.
2004-09-08 Maxim power supply with one inductor, no charge-pump diode
Maxim released its MAX1578 and MAX1579 devices, which it claims as the first complete LCD bias and white-LED power supplies with only one inductor and no charge-pump diode.
2002-06-25 Maxim charge pump regulator delivers 125mA output
The MAX5008 charge-pump regulator from Maxim Integrated Products Inc. accepts an input from 2.9V to 5.5V and delivers up to 125mA of output current, while providing a programmable output limit from 1mA to 150mA.
2004-02-09 Maxim charge pump drives four white LEDs in main display
Maxim has introduced a charge pump for driving up to four white LEDs in the main display and up to two white LEDs in the sub-display.
2007-01-01 Low-EMI charge pump drives six white LEDs
Allegro's A8434 touts a proprietary high-efficiency, low-EMI charge pump design, which provides a well regulated output for driving up to six white LEDs.
2008-11-06 LM2755 charge pump LED controller with I?C compatible interface in ?SMD
The LM2755 is a charge-pump-based, constant current LED driver capable of driving 3 LEDs with a total output current up to 90mA.
2009-12-14 LED pump drivers pack digital low-pass filters
Semtech Corp. has added two LED backlight charge pump drivers in its SC65x charge pump platform.
2007-08-10 LED drivers add 1.33x pump mode
Leadis Technology's LDS8842 and LDS8830 new charge pump-based LED drivers feature a highly efficient 1.33x-mode enabled charge pump.
2011-10-20 Increase 1V to 1.8V at 90% efficiency with microwatt charge pump
Take a look at this design that provides "always on" standby power for microcontrollers.
2005-06-16 Hot swap protection IC with charge pump, temp sensing circuitry
ON Semiconductor expanded its SMART HotPlug family with the release of the NIS5102 high side, hot swap protection IC with built-in charge pump and accurate temperature sensing circuitry.
2002-05-20 Fairchild MOSFETs eliminate external charge pump circuit
Fairchild Semiconductor has introduced a line of p-channel BGA MOSFETs that eliminate the need for external charge pump circuitry, and are 2.5V/4.5V gate-drive specified.
2008-05-09 EV-128 AAT3174 Eval: High-current, high-efficiency charge pump
The AAT3174 evaluation board demonstrates the functionality of AnalogicTech's AAT3174 and its application as a high-current white LED flash driver.
2008-05-07 EV-122 AAT3175 Eval: High-efficiency 1X/1.5X/2X charge pump for white LED flash apps
The AAT3175 evaluation board demonstrates the functionality of AnalogicTech's AAT3175 and its application as a white LED flash driver.
2002-04-10 Elantec dc/dc regulator packs FET boost regulator, charge pumps
The EL7583CR dc/dc regulator from Elantec Semiconductor Inc. integrates a FET boost regulator and two regulated charge pumps into a TSSOP-20, and is aimed at satisfying the bias voltages required by 12-inch to 15-inch TFT-LCD flat-panel displays
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