LM2648

Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller

LM2648

Two-Phase, Synchronous Step-Down 3-Channel Switching Regulator Controller;

LM26480-Q1

支持外部配置的雙路 1.5A 降壓直流/直流和雙路 300mA 線性穩(wěn)壓器; ? 符合汽車應用 標準 \n? 具有符合 AEC Q100 的下列結(jié)果： \n? 器件溫度 1 級：-40℃ 至 +125℃ 的環(huán)境工作溫度范圍\n \n? 輸入電壓：2.8V 至 5.5V\n? 兼容高級 應用 處理器和現(xiàn)場可編程門陣列 (FPGA)\n? 兩個低壓差線性穩(wěn)壓器 (LDO)，用于為內(nèi)部處理器的運行和 I/O 供電\n? 精密的內(nèi)部基準電壓\n? 熱過載保護\n? 電流過載保護\n? 針對 Buck1 和 Buck2 提供外部上電復位功能\n? 配有欠壓閉鎖檢測器，用于監(jiān)視輸入電源電壓\n? 降壓直流/直流轉(zhuǎn)換器（Buck） \n? 1.5A 輸出電流\n? VOUT 范圍：\n? Buck1：1.5A 時為 0.8V 至 2V\n? Buck2：1.5A 時為 1V 至 3.3V\n? 效率高達 96%\n? FB 電壓精度為 ±3%\n? 2MHz 脈沖寬度調(diào)制 (PWM) 開關頻率\n? 低負載條件下從 PWM 模式自動切換到脈沖頻率調(diào)制 (PFM) 模式\n? 自動軟啟動\n \n? 線性穩(wěn)壓器 (LDO) \n? VOUT 為 1V 至 3.5V\n? FB 電壓精度為 ±3% \n? 300mA 輸出電流\n? 25mV 壓降（典型值）\n? 使用 LM26480-Q1 并借助 WEBENCH? 電源設計器創(chuàng)建定制設計;

LM26480-Q1 是經(jīng)過汽車認證的多功能電源管理單元 (PMU)，針對低功耗數(shù)字應用進行了優(yōu)化 應用進行了優(yōu)化。此器件集成了兩個高效的 1.5A 降壓直流/直流轉(zhuǎn)換器和兩個 300mA 線性穩(wěn)壓器。直流/直流降壓轉(zhuǎn)換器提供的典型效率為 96%，可實現(xiàn)最低功耗。該器件可提供 軟啟動、欠壓鎖定、電流過載保護、熱過載保護功能，還具有內(nèi)部上電復位 (POR) 電路，可監(jiān)控降壓轉(zhuǎn)換器 1 和 2 上的輸出電壓電平。

LM26484

兩個直流/直流轉(zhuǎn)換器和一個 LDO 可配置 PMIC; ? Step-Down DC/DC Converter (Buck) \n? 3.0–5.5V Input Range\n? Externally Adjustable VOUT:\n? Bucks 1 & 2: 0.8V–3.5V @ 2A\n? 180° Phase Shift Between Bucks Clocks\n? 2 MHz PWM Switching Frequency \n? ±1% feedback Voltage Accuracy\n? Automatic Soft Start\n? Current Overload Protection\n? PWM/PFM efficiency Modes Available\n \n? Linear Regulator (LDO) Controller \n? 3.0V–5.5V Input Range\n? Externally Adjustable VOUT\n? ±1.5% Feedback Voltage Accuracy\n? Regulated to Low VIN - Low VOUT LI-LO (Low Input Low Output) NFET Operation\n? Input to the LI-LO Configuration, Can Be Post Regulated When Supply is Regulated by Buck2\n? Up to 1000 mA Output Current by Selection of External FET;

The LM26484 is a multi-function, configurable Power Management Unit. This device integrates two highly efficient 2.0A Step-Down DC/DC converters, one LDO Controller, a POR (Power On Reset) circuit, and thermal overload protection circuitry. All regulator output voltages are externally adjustable. The LDO controller is a low-voltage NMOS voltage regulator. The LM26484 is offered in a 5 x 4 x 0.8 mm WQFN-24 pin package.

LM26480

Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators

LM26480

Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators

LM26480

Compatible with Advanced Applications Processors and FPGAs, 2 LDOs for Powering Internal Processor Functions and I/Os

LM26480_10

Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators

LM26480_15

LM26480 Externally Programmable Dual High-Current Step-Down DC-DC and Dual Linear Regulators

LM26480-Q1

LM26480-Q1 Externally Programmable Dual High-Current Step-Down DC-DC and Dual Linear Regulators