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Details for LM5019MR/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC CONV SYNC BUCK 1MHZ HSOP-8
LM5019MR/NOPB image

LM5019MR/NOPB by Texas Instruments

DC/DC CONV SYNC BUCK 1MHZ HSOP-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 100-V Input Range
Part Information
LM5019MR/NOPB image
RoHS Compliant
Description
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
DC/DC CONV, SYNC BUCK, 1MHZ, HSOP-8; 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 RoHS Compliant: Yes Newark Electronics
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