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Buck Switching Regulator IC Positive Adjustable 1V 1 Output 2A 8-PowerSOIC (0.154", 3.90mm Width)

LMR33620CDDAR General Description

For applications demanding high efficiency and precision, the LMR33620CDDAR regulator presents a reliable solution. Its intelligent design features, such as automatic frequency adjustment at light loads, contribute to enhanced performance and reduced power consumption. In addition, the regulator's integration eliminates the need for numerous external components, streamlining the design process and facilitating efficient PCB layout. With protection mechanisms like thermal shutdown and short-circuit protection in place, the LMR33620 prioritizes safety without compromising on functionality

Key Features

  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • Configured for rugged industrial applications
    • Input voltage range: 3.8 V to 36 V
    • Output voltage range: 1 V to 24 V
    • Output current: 2 A
    • Peak-current-mode control
    • Short minimum on-time of 68 ns
    • Frequency: 400 kHz, 1.4 MHz, 2.1 MHz
    • Junction temperature range –40°C to +125°C
    • Low EMI and low switching noise
    • Integrated compensation network
  • Low EMI and switching noise
    • HotRod™ package
    • Parallel input current paths
  • High power conversion at all loads
    • Peak efficiency > 95%
    • Low operating quiescent current of 25 µA
  • Flexible system interface
    • Power-good flag and precision enable
  • Use TPSM53602 module for faster time to market
  • Create a custom design using the LMR33620 with the WEBENCH Power Designer


Vin (min) (V) 3.8 Vin (max) (V) 36
Vout (min) (V) 1 Vout (max) (V) 34
Iout (max) (A) 2 Iq (typ) (mA) 0.024
Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 2100
Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package Operating temperature range (°C) -40 to 125
Rating Catalog TI functional safety category Functional Safety-Capable
Regulated outputs (#) 1 Control mode current mode
Duty cycle (max) (%) 98 Type Converter

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