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Details for LM25019SDE/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM25019SDE/NOPB
Buy Directly from Texas Instruments (750 in stock) $0.8200
DC-DC CONVERTER BUCK 1MHZ WSON-8
LM25019SDE/NOPB image

LM25019SDE/NOPB by Texas Instruments

DC-DC CONVERTER BUCK 1MHZ WSON-8
Features
Adjustable Output Voltage From 1.225 V
Adjustable Undervoltage Lockout
Constant On-Time Control
Frequency Adjustable to 1 MHz
Integrated 100-mA High-Side and Low-Side Switches
Intelligent Peak Current Limit
Nearly Constant Operating Frequency
No Loop Compensation Required
No Schottky 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
LM25019SDE/NOPB image
RoHS Compliant
Description
The LM25019 is a 48-V, 100-mA synchronous stepdown regulator with integrated high-side and low-side MOSFETs. The constant on-time (COT) control scheme employed in the LM25019 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 start-up 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 LM25019 is available in 8-pin WSON and 8-pin SO PowerPAD 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:
100mA
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
Conv DC-DC Single Step Down 9V to 18V 8-Pin WSON EP T/R Avnet America
Conv DC-DC Single Step Down 9V to 18V 8-Pin WSON EP T/R Avnet Europe
7.5-48V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator Texas Instruments