LMR23625-Q1

Name: LMR23625-Q1
Brand: TI
SKU: LMR23625-Q1
Price: 1.781 USD

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Automotive Qualified SIMPLE SWITCHER®, 4V to 36V, 2.5A Synchronous Step-Down Converter

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Data sheet

document-pdfAcrobat LMR23625-Q1 SIMPLE SWITCHER® 36-V, 2.5-A Synchronous Step-Down Converter datasheet (Rev. B) PDF | HTML

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LMR23625-Q1

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Data sheet

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Product details

Rating

Automotive

Topology

Buck

Iout (max) (A)

2.5

Vin (max) (V)

36

Vin (min) (V)

4

Vout (max) (V)

34

Vout (min) (V)

1

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, Wettable flanks package

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000075

Duty cycle (max) (%)

99

Rating

Automotive

Topology

Buck

Iout (max) (A)

2.5

Vin (max) (V)

36

Vin (min) (V)

4

Vout (max) (V)

34

Vout (min) (V)

1

Features

Enable, Forced PWM, Frequency synchronization, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification, Wettable flanks package

Control mode

current mode

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000075

Duty cycle (max) (%)

99

HSOIC (DDA)

8

29.4 mm² 4.9 x 6

WSON (DRR)

12

9 mm² 3 x 3

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level H1C
- Device CDM ESD Classification Level C4A
4-V to 36-V Input Range
2.5-A Continuous Output Current
Integrated Synchronous Rectification
Minimum Switch-On Time: 60 ns
Internal Compensation for Ease of Use
Fixed 2.1-MHz Switching Frequency
PFM and Forced PWM Mode Options at Light Load
Frequency Synchronization to External Clock
75-µA Quiescent Current at No Load for PFM Option
Power-Good Option
Soft Start into a Prebiased Load
High Duty-Cycle Operation Supported
Output Short-Circuit Protection With Hiccup Mode
8-Pin HSOIC and 12-Pin WSON Wettable Flank with PowerPAD™ Package Options
Create a Custom Design Using the LMR23625-Q1 With the WEBENCH^® Power Designer

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level H1C
- Device CDM ESD Classification Level C4A
4-V to 36-V Input Range
2.5-A Continuous Output Current
Integrated Synchronous Rectification
Minimum Switch-On Time: 60 ns
Internal Compensation for Ease of Use
Fixed 2.1-MHz Switching Frequency
PFM and Forced PWM Mode Options at Light Load
Frequency Synchronization to External Clock
75-µA Quiescent Current at No Load for PFM Option
Power-Good Option
Soft Start into a Prebiased Load
High Duty-Cycle Operation Supported
Output Short-Circuit Protection With Hiccup Mode
8-Pin HSOIC and 12-Pin WSON Wettable Flank with PowerPAD™ Package Options
Create a Custom Design Using the LMR23625-Q1 With the WEBENCH^® Power Designer

The LMR23625-Q1 SIMPLE SWITCHER^® is an easy-to-use 36-V, 2.5-A synchronous step down regulator. With a wide input range from 4 V to 36 V, the device is suitable for various applications from industrial to automotive for power conditioning from unregulated sources. Peak-current-mode control is employed to achieve simple control-loop compensation and cycle-by-cycle current limiting. A quiescent current of 75 µA makes it suitable for battery powered systems. Internal loop compensation means that the user is free from the tedious task of loop compensation design. This also minimizes the external components. The device has option for fixed-frequency, forced-pulse-width-modulation (FPWM) mode to achieve small output voltage ripple at light load. An extended family is available in 1-A (LMR23610-Q1), 1.5-A (LMR23615-Q1), and 3-A (LMR23630-Q1) load current options in pin-to-pin compatible packages, which allows simple, optimum PCB layout. A precision-enable input allows simplification of regulator control and system-power sequencing. Protection features include cycle-by-cycle current limit, hiccup-mode short-circuit protection and thermal shutdown due to excessive power dissipation.

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Technical documentation

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Top documentation	Type	Title	Format options	Date
*	Data sheet	LMR23625-Q1 SIMPLE SWITCHER® 36-V, 2.5-A Synchronous Step-Down Converter datasheet (Rev. B)	PDF \| HTML	01 Mar 2018
	Selection guide	Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B)		15 Apr 2021

Design & development

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Evaluation board

LMR23625CFPEVM — LMR23625CFPDDR Wide Vin Synchronous Step-down Converter Evaluation Module

The LMR23625CFPEVM is a fully assembled and tested circuit for evaluating the LMR23625CFPDRR step-down converter. The LMR23625CFPEVM operates from 4V to 36V input (12V nominal) and provides a 5.0V/3.3V output at 2.5A. The board has jumper connectors to select output options, enable or disable (...)

User guide: PDF