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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LMR14010A

現行

具有高效率 Eco-Mode 的 SIMPLE SWITCHER® 4V 至 40V、1A 降壓轉換器

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LMR54410 現行 4V 至 36V、1A、80µA Iq 同步 SIMPLE SWITCHER® 電源轉換器 Smaller footprint, lower quiescent current, FPWM and PFM options.

LMR14010A

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 1 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 30 Vout (min) (V) 0.8 Features Enable, Fixed soft start, Light-load efficiency, Overcurrent protection, Pre-bias startup, UVLO Fixed Control mode current mode Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 30 Duty cycle (max) (%) 96 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 1 Vin (max) (V) 40 Vin (min) (V) 4 Vout (max) (V) 30 Vout (min) (V) 0.8 Features Enable, Fixed soft start, Light-load efficiency, Overcurrent protection, Pre-bias startup, UVLO Fixed Control mode current mode Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 30 Duty cycle (max) (%) 96 Type Converter
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • Input voltage range: 4V to 40V with Transient protection to 45V
  • 0.7MHz switching frequency
  • Ultra-high efficiency at light load with Eco-mode
  • Low dropout operation
  • Output current up to 1A
  • Precision enable input
  • Overcurrent protection
  • Internal compensation
  • Internal soft start
  • Small overall design size (TSOT-6L package)
  • Create a custom design using the LMR14010A with the WEBENCH Power Designer
  • Input voltage range: 4V to 40V with Transient protection to 45V
  • 0.7MHz switching frequency
  • Ultra-high efficiency at light load with Eco-mode
  • Low dropout operation
  • Output current up to 1A
  • Precision enable input
  • Overcurrent protection
  • Internal compensation
  • Internal soft start
  • Small overall design size (TSOT-6L package)
  • Create a custom design using the LMR14010A with the WEBENCH Power Designer

The LMR14010A is a PWM DC-to-DC buck (step-down) regulator. With a wide input range from 4V to 40V, the device is deigned for a wide range of applications from industrial to automotive. An ultra-low 1µA shutdown current prolongs battery life. Operating frequency is fixed at 0.7MHz, allowing the use of small external components while minimizing output ripple voltage. Soft-start and compensation circuits are implemented internally, limiting the number of external components.

The LMR14010A is optimized for up to 1A load current. The device has a 0.765V nominal feedback voltage.

The device has built-in protection features such as pulse-by-pulse current limit, thermal sensing and shutdown due to excessive power dissipation. The LMR14010A is available in a low profile TSOT-6L package (2.9mm × 1.6mm × 0.85mm).

The LMR14010A is a PWM DC-to-DC buck (step-down) regulator. With a wide input range from 4V to 40V, the device is deigned for a wide range of applications from industrial to automotive. An ultra-low 1µA shutdown current prolongs battery life. Operating frequency is fixed at 0.7MHz, allowing the use of small external components while minimizing output ripple voltage. Soft-start and compensation circuits are implemented internally, limiting the number of external components.

The LMR14010A is optimized for up to 1A load current. The device has a 0.765V nominal feedback voltage.

The device has built-in protection features such as pulse-by-pulse current limit, thermal sensing and shutdown due to excessive power dissipation. The LMR14010A is available in a low profile TSOT-6L package (2.9mm × 1.6mm × 0.85mm).
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類型 標題 日期
* Data sheet LMR14010A 4V to 40V, 1A Step-Down Converter With High Efficiency Eco-mode datasheet (Rev. A) PDF | HTML 2024年 1月 2日

設計與開發

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開發板

LMR14010AEVM — 1-A 非同步降壓轉換器評估模組

LMR14010A 是一款簡單易用的 1A 同步降壓轉換器，採用SOT23-6封裝，固定頻率為700kHz。LMR14010AEVM 是完全組裝過且經測試的電路，可用於評估 LMR14010A 的降壓轉換器。LMR14010AEVM 的輸入電壓範圍為 6V 至 18V 輸入（額定 12V），並提供 5V 輸出，最大電流 1A。該電路板具備跳線接頭，可啟用或停用轉換器的運作。
使用指南: PDF
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模擬型號

LMR14010A PSpice Non-Inverting and Inverting Transient Model

SLUM629.ZIP (137 KB) - PSpice Model
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模擬型號

LMR14010A Unencrypted PSpice Non-Inverting and Inverting Transient Model

SLUM630.ZIP (6 KB) - PSpice Model
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