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Analog Devices MAX17761
76V Synchronous Buck Converter with Internal FETs Enables High Efficiency and Low Temperature Rise
Overview
| Topology | Buck Converter |
| Input voltage | 6.5-76 V |
| Output 1 | 5 V / 1 A |
| IC revision | 1 |
Description
The MAX17761 5V output EV kit is a proven design to evaluate the MAX17761 high-efficiency, high-voltage, synchronous step-down DC-DC converter in a TDFN package. The EV kit generates 5V at load currents up to 1A from a 6.5V to 76V input supply. The EV kit features a 400kHz switching frequency for optimum efficiency and component size. The EV kit features adjustable input undervoltage lockout, adjustable soft-start, adjustable switching frequency, adjustable current limit, open-drain RESET signal and external frequency synchronization.
Features
- Operates from a 6.5V to 76V Input Supply
- 5V Output Voltage
- Up to 1A Output Current
- 400kHz Switching Frequency
- Enable/UVLO Input, Resistor-Programmable UVLO Threshold
- Adjustable Soft-Start Time
- MODE/ILIM Pin to Select Among PWM or PFMModes and 1.6A or 1.14A current limits
- Auxiliary Bootstrap LDO to improve efficiency
- Open-Drain RESET Output
- External Frequency Synchronization
- Overcurrent and Overtemperature Protection
- Proven PCB Layout
- Fully Assembled and Tested
Typical applications
- Basestation Power Supplies/Distributed Supply Regulation/General-Purpose Point-of-Load/Industrial Control Power Supplies/Wall Transformer Regulation
- High-Voltage, Single-Board Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LQS SMT Power Inductor, 33 µH, 1.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | Inductance33 µH | Rated Current1.8 A | Saturation Current2 A | Self Resonant Frequency12 MHz |