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LTC7805RUFDM is a high performance dual step-down synchronous DC/DC switching regulator controller that drives all N-channel power MOSFET stages.

Product Attributes Of LTC7805RUFDM

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Voltage - Supply (Vcc/Vdd): 4.5V ~ 40V

Frequency - Switching: 100kHz ~ 3MHz

Duty Cycle (Max): 100%

Synchronous Rectifier: Yes

Clock Sync: No

Control Features: Power Good

Operating Temperature: -40°C ~ 150°C (TJ)

Mounting Type: Surface Mount, Wettable Flank

Package / Case: 28-WFQFN Exposed Pad

Supplier Device Package: 28-QFN (4x5)

Features Of LTC7805RUFDM

Wide Input Voltage Range: 4.5V to 40V

Wide Output Voltage Range: 0.8V to 40V

Low Operating IQ

14μA (14V to 3.3V, Channel 1 On)

PassThru™/100% Duty Cycle Capable

Spread Spectrum Operation

RSENSE or DCR Current Sensing

Programmable Fixed Frequency (100kHz to 3MHz)

Phase-Lockable Frequency (100kHz to 3MHz)

Internal LDO Powers Gate Drive from VIN or EXTVCC

Low Shutdown IQ: 1.5μA

Side Wettable 28-Lead 4mm × 5mm QFN Package

LTC7805RUFDM is 40V Low IQ, Dual, 2-Phase 100% Duty Cycle Synchronous Step-Down Controller.

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  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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