LT8619IDD#PBF
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Analog Devices Inc. LT8619IDD#PBF

Manufacturer No:
LT8619IDD#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC REG BUCK 0.8V 1.2A 10DFN
Delivery:
Payment:
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Product Introduction

Overview

The LT8619IDD#PBF from Analog Devices Inc. is a high-efficiency, high-speed synchronous monolithic step-down switching regulator. This compact regulator is designed to operate with a wide input voltage range of 3V to 60V and can deliver up to 1.2A of continuous current. It features a low quiescent current of 6μA, making it suitable for applications requiring high efficiency and low power consumption. The LT8619 is available in various package options, including 16-lead MSOP and 10-lead DFN packages, with exposed pads for low thermal resistance.

Key Specifications

Parameter Value Unit
Input Voltage Range 3 to 60 V
Output Current Up to 1.2 A
Quiescent Current 6 μA
Operating Frequency 260 kHz to 2.1 MHz -
Minimum Switch-On Time 30 ns -
Output Ripple (No Load) 10 mV P-P -
Efficiency Up to 92% (0.5A, 5V from 12V) %
Operating Temperature Range -40°C to 125°C -
Package Options 16-Lead MSOP, 10-Lead DFN -

Key Features

  • High efficiency synchronous operation with up to 92% efficiency at 0.5A, 5V from 12V.
  • Wide input voltage range of 3V to 60V.
  • Low quiescent current of 6μA.
  • Fast minimum switch-on time of 30ns.
  • Low output ripple of 10mV P-P at no load.
  • Synchronizable and programmable fixed frequency operation from 260 kHz to 2.1 MHz.
  • Burst mode operation and pulse-skipping mode for high efficiency at low output currents.
  • Forced continuous mode operation and synchronization to an external clock via the SYNC pin.
  • Internal soft-start and compensation with peak current mode topology.
  • Accurate 1V enable pin threshold and power good flag.
  • AEC-Q100 qualified for automotive applications.

Applications

  • Automotive systems: The LT8619 is AEC-Q100 qualified, making it suitable for various automotive applications.
  • Industrial power supplies: Its wide input voltage range and high efficiency make it ideal for industrial power supply designs.
  • Portable electronics: The low quiescent current and compact package options are beneficial for battery-powered devices..
  • Telecommunications: High efficiency and low ripple make it suitable for telecom equipment power supplies.

Q & A

  1. What is the input voltage range of the LT8619? The input voltage range is from 3V to 60V..
  2. What is the maximum output current of the LT8619? The LT8619 can deliver up to 1.2A of continuous current..
  3. What is the quiescent current of the LT8619? The quiescent current is 6μA..
  4. What are the available package options for the LT8619? The LT8619 is available in 16-lead MSOP and 10-lead DFN packages..
  5. Is the LT8619 suitable for automotive applications? Yes, the LT8619 is AEC-Q100 qualified for automotive applications.
  6. What is the minimum switch-on time of the LT8619? The minimum switch-on time is 30ns.
  7. Can the LT8619 be synchronized to an external clock? Yes, the LT8619 can be synchronized to an external clock via the SYNC pin.
  8. What is the typical output ripple of the LT8619 at no load? The typical output ripple at no load is 10mV P-P.
  9. Does the LT8619 support burst mode operation? Yes, the LT8619 supports burst mode operation and pulse-skipping mode for high efficiency at low output currents.
  10. What is the operating temperature range of the LT8619? The operating temperature range is from -40°C to 125°C..

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Fixed
Number of Outputs:1
Voltage - Input (Min):3V
Voltage - Input (Max):60V
Voltage - Output (Min/Fixed):0.8V
Voltage - Output (Max):59.4V
Current - Output:1.2A
Frequency - Switching:300kHz ~ 2.2MHz
Synchronous Rectifier:Yes
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:10-WFDFN Exposed Pad
Supplier Device Package:10-DFN (3x3)
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$7.74
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