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ANALOG DEVICES LTC3869IUFD#PBF
DC/DC Controller, Synchronous Buck, 4V to 38V Supply, 2 Output, 95% Duty Cycle, 780kHz, QFN-EP-28
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC3869IUFD#PBF
- Order Code:
- 4033879
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- Technical Datasheet:
- LTC3869IUFD#PBF Datasheet
- ECAD / MCAD
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Product Overview
LTC3869 is a high performance dual synchronous step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency current mode architecture allows a phase lockable frequency of up to 780KHz. Power loss and noise due to the ESR of the input capacitors are minimized by operating the two controller output stages out-of-phase. OPTI-LOOP® compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. Independent TK/SS pins for each controller ramp the output voltage during start-up. The MODE/PLLIN pin selects among Burst Mode® operation, pulse-skipping mode, or continuous inductor current mode and allows the IC to be synchronized to an external clock. Typical applications are server systems, telecom systems, industrial and medical instruments, high power battery-operated devices, DC power distribution systems.
- Dual, 180° phased controllers reduce required input capacitance and power supply induced noise
- Accurate multiphase current matching, RSENSE or DCR current sensing
- ±0.75% 0.6V output voltage accuracy, phase-lockable fixed frequency 250KHz to 780KHz
- Foldback output current limiting, output overvoltage protection
- Adjustable soft-start current ramping or tracking, dual N-channel MOSFET synchronous drive
- Power good output voltage monitor, 5V low dropout regulator
- Input voltage range from 4 to 38V, output voltage range from 0.6 to 12.5V
- 28-lead plastic QFN package
- Temperature rating range from –40°C to 125°C
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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- 4V
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- 38V
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- 2Outputs
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- 95%
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- QFN-EP
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- 28Pins
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- 780kHz
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- Synchronous Buck (Step Down)
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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 1 - Unlimited
Technical Documents (1)
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Extra stock is available upon order to the Supplier Lead Time which is approximately 4/7/25
73 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
¥1,591.32
(
¥1,750.45
Inc. JCT)
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| 1+ | ¥1,591.32 (¥1,750.45) | ( ) |
| 10+ | ¥1,106.48 (¥1,217.13) | ( ) |
| 73+ | ¥981.36 (¥1,079.50) | ( ) |
| 146+ | ¥841.36 (¥925.50) | ( ) |
| 292+ | ¥773.54 (¥850.89) | ( ) |
| 511+ | ¥732.23 (¥805.45) | ( ) |
| 1022+ | ¥697.95 (¥767.75) | ( ) |
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