LM25017SDE/NOPB

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Details for Texas Instruments

LM25017SDE/NOPB

7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator
Buy Directly from Texas Instruments (500 in Stock)
$1.4400 per unit
Series Information for LM25017SDE/NOPB - Texas Instruments

Features

  • feature
    Adjustable Output Voltage from 1.225 V
  • feature
    Adjustable Undervoltage Lockout (UVLO)
  • feature
    Constant On-Time Control
  • feature
    Frequency Adjustable to 1 MHz
  • feature
    Integrated 650-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 Diode 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 48-V Input Range

Description

DC-DC CONVERTER BUCK 1MHZ WSON-8
The LM25017 device is a 48-V, 650-mA synchronous step-down regulator with integrated high-side and low-side MOSFETs. The constant on-time (COT) control scheme employed in the LM25017 device requires no loop compensation, provides excellent transient response, and enables very high 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 (VCC UVLO). The LM25017 device is available in WSON-8 and HSOP-8 plastic packages.

Specifications

Topology:
Synchronous Buck (Step Down)
Input Voltage Min:
9V
Input Voltage Max:
48V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
WSON
No. of Pins:
8Pins
Output Current:
650mA
Output Voltage Min:
1.225V
Output Voltage Max:
40V
Switching Frequency:
1MHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Operating Temperature Min:
-40°C
Primary Input Voltage:
48V

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 9V to 48V 8-Pin WSON T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 9V to 48V 8-Pin WSON T/R

Avnet Europe product

Texas Instruments

7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator

Texas Instruments product