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LCD Bias Power Reference Design with TPS61085
PMP9770: This reference design delivers a low cost LCD bias power circuit using the boost converter IC TPS61085. The solution provides all four voltages required by the thin film transistor (TFT) LCD display. The TPS61085 boost converter generates the AVDD voltage. Two external charge pump circuits provide the positive VGH and negative VGL bias voltage for the TFT. One external op-amp LM7321MF acts as a high current buffer; it provides the VCOM voltage for the TFT backplane.
A Fully Featured, 350W Offline High Performance Power Supply
PMP5568: This project is a complete 350W, high performance, high speed offline power supply solution. It contains a novel, microcontroller-driven synchronous bridge rectifier, a 2-phase interleaved PFC stage and a phase-shifted fullbridge as down converter. It has an universal input (85 .. 265V AC) and the output voltage is adjustable between 12 and 14V. The continuous output current is 25A, the peak current is 27A. A second microcontroller monitors several values (input voltage, PFC voltage, output voltage, output current, temperatures), is the interface to the user (LCD, push-buttons), adjusts the output voltage and synchronizes the switching frequency of all converters.
1mW Converter: 3.1V @ 300uA
PMP7022: The PMP7022 is 1mW (3.1V at 300uA) galvanic isolated DC/DC reference design built to supply a MSP430 metering unit. The design utilising again MSP430 open loop push-pull stage. Very efficient design with current supply (inclusive load current) as low as 800uA. Input voltage range: 3.1VDC-3.3VDC; Output current: 300uA; Output voltage: 3.1VDC
Bristol Electronics
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- 14+ ¥2.9647 -
- 41+ ¥1.4824 -
- 268+ ¥0.8894 -
- 1335+ ¥0.5929 -
- 4668+ ¥0.4443 -
- 11122+ ¥0.4000 -
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