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LM25010MHX

LM25010MHX

Obsolete
Texas Instruments

IC REG BUCK ADJ 1A 14HTSSOP

LM25010MHX

LM25010MHX

Obsolete
Texas Instruments

IC REG BUCK ADJ 1A 14HTSSOP

Description

General part information

LM25010 Series

The LM25010 features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.

The LM25010 features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.

Technical Specifications

Parameters and characteristics for this part

SpecificationLM25010MHX
Current - Output1 A
Frequency - Switching (Max)1 MHz
Frequency - Switching (Min)100 kHz
FunctionStep-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)125 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive
Output TypeAdjustable
Package Length0.173 in
Package Name14-PowerTSSOP, 14-HTSSOP
Package Width4.4 mm
Synchronous RectifierNo
TopologyBuck
Voltage - Input (Max)42 V
Voltage - Input (Min)6 V
Voltage - Output (Max)37 V
Voltage - Output (Min/Fixed)2.5 V

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