LM25117PMH/NOPB

$3.29

Description：IC REG CTRLR BUCK 20TSSOP
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:07c0ddbc684b Category: DC DC Switching Controllers Brand: Texas Instruments

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Product introduction

LM25117PMH/NOPB is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CTRLR BUCK 20TSSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LM25117PMH/NOPB

Description：IC REG CTRLR BUCK 20TSSOP
Series：-
Mfr：Texas Instruments
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4.5V ~ 42V
Frequency - Switching：Up to 750kHz
Duty Cycle (Max)：-
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Frequency Control, Ramp, Soft Start
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package：20-HTSSOP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for LM25117PMH/NOPB

LM25117PMH/NOPB

DC DC Switching Controllers Overview

The LM25117PMH/NOPB is a wide input range synchronous buck controller designed for automotive and industrial applications. It operates with an input voltage range of 4.5V to 42V, supporting output voltages from 800mV to 41V. The device utilizes current-mode control architecture and features a programmable switching frequency adjustable between 50kHz and 750kHz. It is housed in a 20-pin HTSSOP package with an exposed pad and supports operation across a temperature range of -40°C to +125°C.

DC DC Switching Controllers Feature Summary

Synchronous buck topology with integrated high-side and low-side gate drivers
Current-mode control architecture for fast transient response
Programmable switching frequency allows optimization for efficiency or size
Automotive-grade reliability with extended temperature range support

DC DC Switching Controllers Applications

Automotive infotainment systems
Body control modules
Industrial power distribution networks
Wide-input DC-DC conversion stages

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'Q' if automotive qualification per AEC-Q100 is required, as standard variants may differ. Confirm package type matches HTSSOP-20 requirements. Ensure ESD handling protocols are followed during assembly due to moisture sensitivity classification. Cross-reference datasheet revisions to confirm pinout compatibility with existing designs.

DC DC Switching Controllers Selection Notes

Select this component when a wide input voltage range up to 42V is necessary for synchronous step-down conversion. The current-mode control offers superior transient performance compared to voltage-mode alternatives. Consider the 750kHz maximum frequency for minimizing passive component size while balancing switching losses against efficiency requirements in compact form factors.

DC DC Switching Controllers Part Context

This part belongs to the LM2511x family of wide-input DC/DC controllers from Texas Instruments. It serves as a synchronous variant within the series, offering higher efficiency than non-synchronous counterparts like the LM25117PMHE. The family targets robust power management solutions requiring high input voltage tolerance and precise regulation in demanding environments.