Edit Content

LM25137-Q1 supports a 100% duty cycle automotive grade 42V dual channel synchronous buck controller

Category 品牌:

描述

Parameter Details
Rating Automotive
Topology Buck
Iout (max) (A) 40
Vin (max) (V) 42
Vin (min) (V) 4.096
Vout (max) (V) 40
Vout (min) (V) 0.8
Control mode current mode
Features Adjustable current limit, Enable, Frequency synchronization, Light Load Efficiency, Multiple Outputs, Phase Interleaving, Power good, Pre – Bias Start – Up, Spread Spectrum, Synchronous Rectification, UVLO adjustable
Operating temperature range (°C) to
Iq (typ) (μA) 12
Duty cycle (max) (%) 100
Number of phases 4
TI functional safety category Functional Safety – Capable
EMI features Spread Spectrum
Parameter Details
Functional Safety Options Functional Safety – Compliant options – ASIL B and ASIL D – available through request
Controller Type Dual – channel synchronous buck DC/DC controller
Input Voltage Range Wide input voltage range of 4V to 42V
Output Voltage 1% accurate, fixed 3.3V, 5V, 12V, or adjustable outputs from 0.8V to 36V
Maximum Junction Temperature 150°C maximum junction temperature
Gate Drivers Charge – pump gate drivers for 100% duty cycle
Channel Configuration Two interleaved synchronous buck channels; Dual channel or single – output multiphase; Stackable up to four phases; SYNC in and SYNC out capability
Protection Features Inherent protection features for robust design; Internal hiccup – mode overcurrent protection; Independent ENABLE and PGOOD functions; Adjustable output voltage soft start; VCC and gate – drive UVLO protection; Thermal shutdown protection with hysteresis
EMI Design Designed for ultra – low EMI requirements; Dual Random Spread Spectrum (DRSS); Switching frequency from 100kHz to 2.5MHz
Package VQFN – 36 package with wettable flanks

评价

目前还没有评价

成为第一个“LM25137-Q1 supports a 100% duty cycle automotive grade 42V dual channel synchronous buck controller” 的评价者

您的邮箱地址不会被公开。 必填项已用 * 标注