LTC7802 & LTC7802-3.3 Step-Down Controllers

Analog Devices Inc. LTC7802 and LTC7802-3.3 Step-Down Controllers are high-performance, dual-channel, step-down, synchronous DC-DC switching regulator controllers that drive all N-channel power MOSFET stages. Constant frequency current-mode architecture allows a phase-lockable switching frequency of up to 3MHz. Both the devices operate from a wide 4.5V to 40.0V input supply range. The LTC7802 provides an output voltage range from 0.8V to 99% of the input voltage. The LTC7802-3.3 provides a fixed 3.3V on channel 1, and 0.8V to 99% of the input voltage on channel 2. Power loss and supply noise are minimised by operating the two controller output stages out of phase.

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Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Topology
Number of Outputs
Switching Frequency
Duty Cycle - Max
Output Voltage
Output Current
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Qualification
Packaging
Analog Devices Switching Controllers 40V Low IQ Dual Buck CTL w/ 3.3VOUT1
Datasheet
199In Stock
Min.: 1
Mult.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 125 C SMD/SMT Tube
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
17In Stock
146Expected 23/02/2026
Min.: 1
Mult.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 125 C SMD/SMT AEC-Q100 Tube
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
138In Stock
Min.: 1
Mult.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 150 C SMD/SMT AEC-Q100 Tube
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
265In Stock
Min.: 1
Mult.: 1

Buck 1 Output 100 kHz to 3 MHz 99 % 800 mV to 40 V 5 A - 40 C + 125 C SMD/SMT Tube
Analog Devices LTC7802EUFDM#TRPBF
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Analog Devices LTC7802EUFDM-3.3#TRPBF
Analog Devices Switching Controllers 40V Low IQ Dual Buck CTL w/ 3.3VOUT1
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

Reel
Analog Devices LTC7802IUFDM#WTRPBF
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

AEC-Q100 Reel
Analog Devices LTC7802JUFDM#WTRPBF
Analog Devices Switching Controllers 40V, Low Iq Dual Phse Sych Stp-Dwn Cntlr
Datasheet
Non-Stocked Lead-Time 10 Weeks
Min.: 2.500
Mult.: 2.500
Reel: 2.500

AEC-Q100 Reel