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Details for LM25017MR/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM25017MR/NOPB
Buy Directly from Texas Instruments (13339 in stock) $1.3200
SWITCHING REG ADJUSTABLE 1MHZ HSOIC-8
LM25017MR/NOPB image

LM25017MR/NOPB by Texas Instruments

SWITCHING REG ADJUSTABLE 1MHZ HSOIC-8
Features
Adjustable Output Voltage from 1.225 V
Adjustable Undervoltage Lockout (UVLO)
Constant On-Time Control
Frequency Adjustable to 1 MHz
Integrated 650-mA High-Side and Low-Side Switches
Intelligent Peak Current Limit
Nearly Constant Operating Frequency
No Loop Compensation Required
No Schottky Diode Required
Packages:
Precision 2% Feedback Reference
Remote Shutdown
Thermal Shutdown
Ultra-Fast Transient Response
Wide 7.5-V to 48-V Input Range
Part Information
LM25017MR/NOPB image
RoHS Compliant
Description
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:
SO PowerPAD
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 3 - 168 hours
SVHC:
No SVHC (27-Jun-2018)
Operating Temperature Min:
-40°C
Primary Input Voltage:
48V
Alternate Descriptions
SWITCHING REG, ADJUSTABLE, 1MHZ, HSOIC-8; Topology:Synchronous Buck (Step Down); Input Voltage Min:9V; Input Voltage Max:48V; No. of Outputs:1Outputs; DC / DC Converter IC Case:SO PowerPAD; No. of Pins:8Pins; Output Current:650mA; RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single-OUT Step Down 9V 48V 8-Pin PowerSO Tube Avnet America
Conv DC-DC Single-OUT Step Down 9V 48V 8-Pin PowerSO Tube Avnet Europe
7.5-48V Wide Vin, 650mA Constant On-Time Synchronous Buck Regulator Texas Instruments