LM5019MR/NOPB

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Details for Texas Instruments

LM5019MR/NOPB

7.5-100V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator
Buy Directly from Texas Instruments (8300 in Stock)
$1.5000 per unit
Series Information for LM5019MR/NOPB - Texas Instruments

Features

  • feature
    Adjustable Output Voltage from 1.225 V
  • feature
    Adjustable Undervoltage Lockout
  • feature
    Constant On-Time Control
  • feature
    Frequency Adjustable to 1 MHz
  • feature
    Integrated 100-mA High-Side and Low-Side Switches
  • feature
    Intelligent Peak Current Limit
  • feature
    Nearly Constant Operating Frequency
  • feature
    No Loop Compensation Required
  • feature
    No Schottky Required
  • feature
    Packages:
  • feature
    Precision 2% Feedback Reference
  • feature
    Remote Shutdown
  • feature
    Thermal Shutdown
  • feature
    Ultra-Fast Transient Response
  • feature
    Wide 7.5-V to 100-V Input Range

Description

DC/DC CONV SYNC BUCK 1MHZ HSOP-8
The LM5019 is a 100-V, 100-mA synchronous stepdown regulator with integrated high-side and low-side MOSFETs. The constant-on-time (COT) control scheme employed in the LM5019 requires no loop compensation, provides excellent transient response, and enables very low step-down ratios. The on-time varies inversely with the input voltage resulting in nearly constant frequency over the input voltage range. A high-voltage startup regulator provides bias power for internal operation of the IC and for integrated gate drivers. A peak current limit circuit protects against overload conditions. The undervoltage lockout (UVLO) circuit allows the input undervoltage threshold and hysteresis to be independently programmed. Other protection features include thermal shutdown and bias supply undervoltage lockout. The LM5019 device is available in WSON-8 and SO PowerPAD-8 plastic packages.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
7.5V
Input Voltage Max:
100V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
HSOP
No. of Pins:
8Pins
Output Current:
100mA
Output Voltage Min:
1.225V
Output Voltage Max:
90V
Switching Frequency:
1MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 9V to 100V 8-Pin PSOP EP Tube

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 9V to 100V 8-Pin PSOP EP Tube

Avnet Europe product

Texas Instruments

7.5-100V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product