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LMR16030PDDAR

60V 3A buck converter, 40uA Iq, 200k-2.5MHz, internal comp, HSOIC-8 PowerPAD

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Manufacturer Part：

LMR16030PDDAR

Package：

8-HSOIC with PowerPAD (4.89 x 3.90 x 1.55mm)

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Description

Product Overview

The LMR16030PDDAR from Texas Instruments is a SIMPLE SWITCHER 60V, 3A step-down buck converter with 40uA quiescent current, integrated high-side MOSFET, 200kHz-2.5MHz adjustable switching frequency, and internal loop compensation in an 8-pin HSOIC package with PowerPAD.

Key Specifications

Manufacturer Texas Instruments
Topology Buck (Step-Down)
Output Current 3A
Input Voltage Range 4.3V to 60V
Output Voltage Range 0.8V to 50V (adjustable)
Switching Frequency 200kHz to 2500kHz (adjustable)
Quiescent Current 40uA (sleep mode)
Shutdown Current 1uA
Min On-Time 90ns
Max Duty Cycle 97%
Package 8-HSOIC with PowerPAD (4.9 x 3.9mm)
Operating Temperature -40C to +125C

Features

  • 60V maximum input voltage
  • 3A output current with integrated high-side MOSFET
  • 40uA ultra-low quiescent current in sleep mode
  • 1uA shutdown current for battery life extension
  • 200kHz to 2.5MHz adjustable switching frequency
  • Internal loop compensation
  • Precision enable input for power sequencing
  • Cycle-by-cycle current limit
  • Output overvoltage protection
  • Thermal shutdown protection
  • Power good output

Applications

  • Industrial power supply regulation
  • Automotive battery-powered systems
  • Telecom and networking equipment
  • Battery-powered instruments
  • General-purpose step-down conversion

The Texas Instruments LMR16030PDDAR is a 60V, 3A SIMPLE SWITCHER step-down regulator with an integrated high-side MOSFET. The wide 4.3V to 60V input range makes it suitable for industrial and automotive applications with unregulated power sources. The 40uA quiescent current in sleep mode extends battery life in always-on systems, while the 1uA shutdown current minimizes drain during standby. The adjustable switching frequency from 200kHz to 2.5MHz allows optimization for either efficiency or external component size. Internal loop compensation simplifies design and minimizes external components. Protection features include cycle-by-cycle current limit, thermal shutdown, and output overvoltage protection. The PowerPAD package provides excellent thermal performance.

The LMR16030PDDAR operates as a current-mode buck converter with four key subsystems: 1) Power Stage: The integrated N-channel high-side MOSFET switches at the programmed frequency, storing energy in the external inductor during on-time and releasing it through the external catch diode during off-time. The 90ns minimum on-time enables high-frequency operation at high step-down ratios. 2) Control Loop: Current-mode control with internal compensation regulates the output voltage by comparing the feedback voltage (0.8V reference) with the internal reference and adjusting the peak switch current. The internal compensation eliminates the need for external RC networks. 3) Frequency Control: An external resistor from the FB pin to ground sets the switching frequency (200kHz-2.5MHz), allowing optimization of efficiency versus component size. 4) Protection: Cycle-by-cycle current limiting, output overvoltage protection, and thermal shutdown protect the device and system. The precision enable input provides adjustable UVLO and power sequencing.

Pin Name Type Function
1 BOOT Capacitor Bootstrap capacitor for high-side driver
2 VIN Power Input supply (4.3V to 60V)
3 EN Input Enable (precision threshold, adjustable UVLO)
4 FB Input Feedback (0.8V reference) and frequency set
5 PG Output Power good (open-drain)
6 GND Ground Ground and PowerPAD
7 EP Ground Exposed pad (connect to GND plane)
8 SW Output Switch output (connect to inductor)
  • 12V/24V/48V industrial bus to 5V/3.3V point-of-load conversion
  • Automotive battery-powered systems with 40uA sleep current
  • Telecom 48V input step-down regulation
Manufacturer Part Number Package Notes
TI LMR16030SDDAR VSON-8 Same function, SON package
TI LMR16020PDDAR HSOIC-8 60V, 2A version
TI LMR23630ADDAR HSOIC-8 36V, 3A, automotive
Monolithic Power MP8759GD-Z QFN-8 60V, 3A, similar
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Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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