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ANALOG DEVICES LTC3871ELXE#PBF
DC/DC Controller, Synchronous Boost, Synchronous Buck, 1.2 to 100V Supply, 1 Output, 98% Duty Cycle
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3871ELXE#PBF
- Order Code:
- 4026545
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- Technical Datasheet:
- LTC3871ELXE#PBF Datasheet
- ECAD / MCAD
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Product Overview
LTC3871 is a high performance bidirectional buck or boost switching regulator controller that operates in either buck or boost mode on demand. It regulates in buck mode from VHIGH-to-VLOW and boost mode from VLOW-to-VHIGH depending on a control signal, making it ideal for 48V/12V automotive dual battery systems. It allows both batteries to supply energy to the load simultaneously by converting energy from one battery to the other. Its proprietary constant-frequency current mode architecture enhances the signal-to-noise ratio enabling low-noise operation and provides excellent current matching between phases. Additional features include discontinuous or continuous mode of operation, OV/UV monitors, independent loop compensation for buck and boost operation, accurate output current monitoring and overcurrent protection. It is used in applications such as automotive 48V/12V dual battery systems, backup power systems etc.
- Unique architecture allows dynamic regulation of input voltage, output voltage or current
- VHIGH voltages upto 100V, VLOW voltages upto 30V
- Synchronous rectification upto 97% efficiency, selectable CCM/DCM modes
- ADI-proprietary advanced current mode control
- ±1% voltage regulation accuracy over temperature
- Selectable buck and boost current sense limits
- Programmable DRVCC/EXTVCC optimizes efficiency, multiphase/multi-ICs operation upto 12 phases
- Programmable VHIGH UV and OV thresholds, programmable VLOW OV threshold
- Operating temperature is -40°C to 125°C
- Package style is 48-lead plastic LQFP
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- Current Mode Control
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- 1.2V
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- 100V
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- 1Outputs
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- 98%
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- LQFP-EP
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- 48Pins
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- 500kHz
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- Synchronous Boost, Synchronous Buck
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- -40°C
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- 125°C
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- -
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- -
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- MSL 3 - 168 hours
Technical Documents (1)
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152 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 7/28/25
152 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥2,131.80
(
¥2,344.98
Inc. JCT)
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| 1+ | ¥2,131.80 (¥2,344.98) | ( ) |
| 10+ | ¥1,807.33 (¥1,988.06) | ( ) |
| 25+ | ¥1,446.81 (¥1,591.49) | ( ) |
| 100+ | ¥1,327.68 (¥1,460.45) | ( ) |
| 250+ | ¥1,246.17 (¥1,370.79) | ( ) |
| 500+ | ¥1,241.47 (¥1,365.62) | ( ) |
| 1000+ | ¥1,236.76 (¥1,360.44) | ( ) |
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