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AC/DC 和 DC/DC 轉換器 (整合式 FET)

LMR23630-Q1

現行

符合車用資格的 SIMPLE SWITCHER® 4V 至 36V、3A 同步降壓轉換器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
LMR33630AP-Q1 現行 汽車 3.8-V 至 36-V、3-A 同步降壓轉換器 Smaller footprint, higher efficiency, lower IQ and lower EMI.

LMR23630-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Soft Start Fixed, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 75 Duty cycle (max) (%) 99
Rating Automotive Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4 Vin (max) (V) 36 Switching frequency (min) (kHz) 200 Switching frequency (max) (kHz) 2200 Features Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Soft Start Fixed, Synchronous Rectification, Wettable flanks package Control mode current mode Vout (min) (V) 1 Vout (max) (V) 34 Iq (typ) (µA) 75 Duty cycle (max) (%) 99
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 WSON (DRR) 12 9 mm² 3 x 3
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification:
      • SOIC and WSON With RT — Level C4B
      • WSON With PGOOD — Level C5
  • 4-V to 36-V Input Range
  • 3-A Continuous Output Current
  • Minimum Switch-On Time: 60 ns
  • Internal Compensation for Ease of Use
  • 400 kHz Switching Frequency and Adjustable Switching Frequency Options
  • PFM and Forced PWM Mode Options at Light Load
  • Frequency Synchronization to External Clock
  • 75-µA Quiescent Current at No Load for PFM Option
  • Power-Good Option
  • Soft Start into a Prebiased Load
  • High Duty-Cycle Operation Supported
  • Output Short-Circuit Protection With Hiccup Mode
  • 8-Pin HSOIC and 12-Pin WSON Wettable Flank with PowerPAD™ Package Options
  • Create a Custom Design Using the LMR23630-Q1 With the WEBENCH® Power Designer
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification:
      • SOIC and WSON With RT — Level C4B
      • WSON With PGOOD — Level C5
  • 4-V to 36-V Input Range
  • 3-A Continuous Output Current
  • Minimum Switch-On Time: 60 ns
  • Internal Compensation for Ease of Use
  • 400 kHz Switching Frequency and Adjustable Switching Frequency Options
  • PFM and Forced PWM Mode Options at Light Load
  • Frequency Synchronization to External Clock
  • 75-µA Quiescent Current at No Load for PFM Option
  • Power-Good Option
  • Soft Start into a Prebiased Load
  • High Duty-Cycle Operation Supported
  • Output Short-Circuit Protection With Hiccup Mode
  • 8-Pin HSOIC and 12-Pin WSON Wettable Flank with PowerPAD™ Package Options
  • Create a Custom Design Using the LMR23630-Q1 With the WEBENCH® Power Designer

The LMR23630-Q1 SIMPLE SWITCHER® is an easy-to-use 36-V, 3-A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple control-loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. The device has option for constant frequency FPWM mode to achieve small output voltage ripple at light load. An extended family is available in 1-A (LMR23610-Q1), 1.5-A (LMR23615-Q1), and 2.5-A (LMR23625-Q1) load current options in pin-to-pin compatible package which allows simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown due to excessive power dissipation.

The LMR23630-Q1 SIMPLE SWITCHER® is an easy-to-use 36-V, 3-A synchronous step-down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple control-loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. The device has option for constant frequency FPWM mode to achieve small output voltage ripple at light load. An extended family is available in 1-A (LMR23610-Q1), 1.5-A (LMR23615-Q1), and 2.5-A (LMR23625-Q1) load current options in pin-to-pin compatible package which allows simple, optimum PCB layout. A precision enable input allows simplification of regulator control and system power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection, and thermal shutdown due to excessive power dissipation.
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類型 標題 日期
* Data sheet LMR23630-Q1 SIMPLE SWITCHER® 36-V, 3-A Synchronous Step-Down Converter datasheet (Rev. B) PDF | HTML 2018年 3月 5日
EVM User's guide LMR23630A-Q1 EVM User's Guide 2016年 11月 8日

設計與開發

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開發板

LMR23630EVM — LMR23630DDR 寬輸入電壓同步降壓轉換器評估模組

The LMR23630EVM is a fully assembled and tested circuit for evaluating the LMR23630DRR step-down converter. The LMR23630EVM operates from 4V to 36V input (12V nominal) and provides a 5.0V/3.3V output at 3A. The board has jumper connectors to select output options, enable or disable the (...)
使用指南: PDF
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模擬型號

LMR23630 Non-Inverting and Inverting PSpice Transient Model

SNVMBC2.ZIP (223 KB) - PSpice Model
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模擬型號

LMR23630 Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMBC1.ZIP (7 KB) - PSpice Model
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模擬型號

LMR23630A Non-Inverting and Inverting PSpice Transient Model

SNVMAT9.ZIP (899 KB) - PSpice Model
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模擬型號

LMR23630A Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMAT8.ZIP (7 KB) - PSpice Model
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模擬型號

LMR23630AF Non-Inverting and Inverting PSpice Transient Model

SNVMAU0.ZIP (912 KB) - PSpice Model
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模擬型號

LMR23630AF Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMAU1.ZIP (7 KB) - PSpice Model
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模擬型號

LMR23630AP Non-Inverting and Inverting PSpice Transient Model

SNVMBC5.ZIP (224 KB) - PSpice Model
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模擬型號

LMR23630AP Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMBC6.ZIP (7 KB) - PSpice Model
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模擬型號

LMR23630F Non-Inverting and Inverting PSpice Transient Model

SNVMBC3.ZIP (220 KB) - PSpice Model
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模擬型號

LMR23630F Unencrypted Non-Inverting and Inverting PSpice Transient Model

SNVMBC4.ZIP (7 KB) - PSpice Model
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參考設計

PMP31247 — 適用於 C2000™ MCU 的車用 9-W 雙降壓轉換器參考設計

此參考設計是 C2000™ 微控制器的車用電源供應器，可從額定 12-V 電池產生兩個輸出電壓軌。LMR23630-Q1 將輸入電壓轉換為穩壓 3.3-V 電壓軌；由第一個輸出供應的 TPS628501-Q1 會產生 1.2-V 輸出軌。兩部轉換器皆以強制脈衝寬度調變 (FPWM) 運作，可將輸出漣波降到最低，並將負載暫態回應最佳化。所有測試都會在 PMP31047 修訂版 B 電路板上完成。
Test report: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
HSOIC (DDA) 8 Ultra Librarian
WSON (DRR) 12 Ultra Librarian
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