MP3430 Datasheet (data sheet) PDF





MP3430 Datasheet, 90V Step-Up Converter

MP3430   MP3430  

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The Future of Analog IC Technology DESCR IPTION The MP3430 is a monolithic step- up converter that integrates a power sw itch and a biased avalanche photodiode (APD) current monitor. The device can d ouble the output voltage through the AP D optical receivers. The MP3430 can pro vide up to 90V output. The MP3430 uses a current-mode, fixedfrequency architec ture to regulate the output voltage, wh ich provides a fast transient response and cycle-by-cycle current limiting. Th e MP3430 features two accurate APD curr ent monitoring outputs with 1:10 and 1: 2 ratios, respectively. Resistor-adjust able current limiting protects the APD from optical power transi

MP3430 Datasheet, 90V Step-Up Converter

MP3430   MP3430  
ents. The MP3430 includes over-current a nd thermaloverload protection to preven t damage in the event of an output over load. The MP3430 is available in a smal l 3mm×3mm QFN16 package. TYPICAL APPLI CATION MP3430 90V Step-Up Converter wi th APD Current Monitor FEATURES  2.7 V-to-5.5V Input Voltage  100V/1Ω N FET with 0.9A Limit  Up to 90V Outpu t Voltage  50ns APD Current Monitori ng Response Speed  1.3MHz Fixed Swit ching Frequency  Internal Compensati on and Soft-Start  High-Side APD Cur rent Monitor with less than ±5% Tolera nce.  1:10 and 1:2 Ratio Outputs for APD Current Monitoring  Thermal-Shu tdown Protection  Programmable APD O ver-Current Limit and Protection  3 3mm QFN16 Package APPLICATIONS  APD Biasing  PIN Diode Biasing  Opti cal Receivers and Modules  Fiber-Opt ic–Network Equipment All MPS parts ar e lead-free, halogen-free, and adhere t o the RoHS directive. For MPS green sta tus, please visit the MPS website under Quality Assurance. “MPS” and “Th e Future of Analog IC Technology” are registered trademarks of Monolithic Po wer Systems, Inc. MP3430 Rev 1.3 5/14/ 2018 www.MonolithicPower.com MPS Propr ietary Information. Patent Protected. U nauthorized Photocopy and Duplication P rohibited. © 2018 MPS. All Rights Reserved. 1 MP3430 — 90V STEP-UP CONVERTER WITH APD CURRENT








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