概览
优势和特点
- Three Synchronous DC-DC Buck Converter Outputs from a Single HV Input
- Wide 7V to 60V Input Range for HV Buck Converter
- Optional External Supply Input Connections for LV Buck Converters (4.5V to 5.5V for LVA, and 2.7V to 5.5V for LVB)
- Programmed 5V/1.5A Output for HV Buck Converter and 3.3V/1A and 1.8V/1A Output for LV Buck Converters
- 400kHz Switching Frequency for HV Buck Converter and 2MHz Switching Frequency for LV Buck Converters
- High 93% Efficiency (VINH = 12V, VOUT = 5V at 0.45A) for HV Buck Converter; 94% Efficiency (VIN = 5V, VOUT = 3.3V at 0.5A) for LV Buck Converters
- Enable/UVLO Input, Resistor-Programmable UVLO Threshold for HV Buck Converter
- Programmed 1ms Soft-Start Time for HV Buck Converter, and Internal 4096 Clock Cycles Soft-Start Time for LV Buck Converters
- Selectable PWM and PFM Modes of Operation
- External Clock Synchronization
- Independent Power-OK (POK_) Outputs for the Three Buck Converters
- Overcurrent and Overtemperature Protection
- Low-Profile, Surface-Mount Components
- Proven PCB Layout
- Fully Assembled and Tested
- Complies with CISPR 22 (EN 55022) Class B Conducted and Radiated Emissions Limits
产品详情
应用
- 基站电源
- 配电稳压器
- FPGA/CPLD电源
- 高压单板系统
- 工业控制电源
文档
-
MAX17673AEVKIT ODB Files - Design Files10/10/2022ZIP1M
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