LMR14050 LMR14050 40V、5A SIMPLE SWITCHER®、2.2MHz 降圧レギュレータ、40uA 静止付 | TIJ.co.jp

LMR14050 (供給中)

LMR14050 40V、5A SIMPLE SWITCHER®、2.2MHz 降圧レギュレータ、40uA 静止付

 

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概要

The LMR14050 is a 40 V, 5 A step down regulator with an integrated high-side MOSFET. With a wide input range from 4 V to 40 V, it’s suitable for various applications from industrial to automotive for power conditioning from unregulated sources. The regulator’s quiescent current is 40 µA in Sleep-mode, which is suitable for battery powered systems. An ultra-low 1 µA current in shutdown mode can further prolong battery life. A wide adjustable switching frequency range allows either efficiency or external component size to be optimized. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components of the device. A precision enable input allows simplification of regulator control and system power sequencing. The device also has built-in protection features such as cycle-by-cycle current limit, thermal sensing and shutdown due to excessive power dissipation, and output overvoltage protection.

特長

  • 4 V to 40 V Input Range
  • 5 A Continuous Output Current
  • Ultra-low 40 µA Operating Quiescent Current
  • 90 mΩ High-Side MOSFET
  • Minimum Switch-On Time: 75 ns
  • Current Mode Control
  • Adjustable Switching Frequency from 200 kHz to
    2.5 MHz
  • Frequency Synchronization to External Clock
  • Internal Compensation for Ease of Use
  • High Duty Cycle Operation Supported
  • Precision Enable Input
  • 1 µA Shutdown Current
  • External Soft-start
  • Thermal, Overvoltage and Short Protection
  • 8-Pin HSOIC with PowerPAD™ Package

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WEBENCH® Designer LMR14050

  最小   最大 範囲
入力電圧  V 4.0 to 40.0V
出力電圧  V 0.75 to 38V
負荷電流  A ≤ 5A
周囲温度  °C -40 to 125°C

機能一覧

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Part number オーダー・オプション Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
LMR14050 ご注文 4     40     1     36     5     1     200     2500     0.04     Enable
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Tracking
UVLO Adjustable    
Current Mode     98     -40 to 125     Catalog     SO PowerPAD | 8     Converter     8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8)    
LM73605 ご注文 3.5     36     1     34     5     1     350     2200     0.015     Enable
Forced PWM
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
UVLO Fixed
Wettable Flanks Package
Soft Start Adjustable    
Current Mode     96     -40 to 125     Catalog     WQFN | 30     Converter     30WQFN: 24 mm2: 4 x 6 (WQFN | 30)    
LM73606 ご注文 3.5     36     1     34     6     1     350     2200     0.015     Enable
Forced PWM
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
UVLO Fixed
Wettable Flanks Package    
Current Mode     95     -40 to 125     Catalog     WQFN | 30     Converter     30WQFN: 24 mm2: 4 x 6 (WQFN | 30)    
LMR14006 ご注文 4     40     0.8     30     0.6     1     1100     2100     0.028     Enable
Light Load Efficiency
Over Current Protection
Pre-Bias Start-Up
UVLO Adjustable    
Current Mode     97     -40 to 125     Catalog     SOT-23-THIN | 6     Converter     6SOT-23-THIN: 8 mm2: 2.8 x 2.9 (SOT-23-THIN | 6)    
LMR14010A ご注文 4     40     0.8     30     1     1     700     700     0.03     Enable
Light Load Efficiency
Over Current Protection
Pre-Bias Start-Up
UVLO Fixed