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LMR14203XMKX/NOPB +BOM

Wide input and output range

LMR14203XMKX/NOPB General Description

The LMR14203XMKX/NOPB is a highly efficient PWM DC/DC buck regulator that caters to a diverse range of applications with its wide input voltage range of 4.5V to 42V. Featuring an internal switch with a low RDS(ON) of 0.9Ω, this regulator ensures maximum efficiency of up to 85%. Operating at a fixed frequency of 1.25 MHz, it allows for the use of small external components while minimizing output voltage ripple. The soft-start capability, enabled through the shutdown pin and a customized RC circuit, offers users the flexibility to adjust the start-up time based on their specific needs

Key Features

  • Input Voltage Range of 4.5V to 42V
  • Output Voltage Range of 0.765V to 34V
  • Output Current up to 0.3A
  • 1.25 MHz Switching Frequency
  • Low Shutdown Iq, 16 µA Typical
  • Short Circuit Protected
  • Internally Compensated
  • Soft-Start Function
  • Thin SOT-23-6 Package (2.97 x 1.65 x 1mm)
  • Fully Enabled for WEBENCH® Power Designer
Performance Benefits
  • Tight Accuracy for Powering Digital ICs
  • Extremely Easy to Use
  • Tiny Overall Solution Reduces System Cost

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Specifications

Vin (min) (V) 4.5 Vin (max) (V) 42
Vout (min) (V) 0.765 Vout (max) (V) 34
Iout (max) (A) 0.3 Iq (typ) (mA) 1.3
Switching frequency (min) (kHz) 950 Switching frequency (max) (kHz) 1500
Features Enable, Over Current Protection Operating temperature range (°C) -40 to 125
Rating Catalog Regulated outputs (#) 1
Control mode current mode Duty cycle (max) (%) 87
Type Converter

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In Stock: 6,392

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $1.717 $1.72
10+ $1.475 $14.75
30+ $1.325 $39.75
100+ $1.170 $117.00
500+ $1.100 $550.00
1000+ $1.069 $1,069.00

The prices below are for reference only.