Automotive Qualified SIMPLE SWITCHER®, 4V to 36V, 2.5A Synchronous Step-Down Converter
Product details
Parameters
Package | Pins | Size
Features
- 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
Description
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.
Technical documentation
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | LMR23625-Q1 SIMPLE SWITCHER® 36-V, 2.5-A Synchronous Step-Down Converter datasheet (Rev. B) | Mar. 01, 2018 |
| Selection guide | Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) | Apr. 15, 2021 | |
| Technical article | Minimize the impact of the MLCC shortage on your power application | Mar. 29, 2019 | |
| User guide | LMR23625C-Q1 EVM User's Guide | Nov. 08, 2016 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
Features
- 4V to 36V Input Voltage Range
- Jumper Selectable Output Options (5V or 3.3V)
- Up to 2.5A Output Current
- 2.1MHz Switching Frequency
- Frequency Synchronization to External Clock
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| SO PowerPAD (DDA) | 8 | View options |
| WSON (DRR) | 12 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
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Support & training
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