Part TPS51123
Description Step-Down Controller
Manufacturer Texas Instruments
Size 2.40 MB
Pricing from 4.15 USD, available from Rochester Electronics and Verical.
Texas Instruments

TPS51123 Overview

Key Specifications

Package: VQFN
Pins: 24
Max Voltage (typical range): 28 V
Min Voltage (typical range): 5.5 V

Description

The TPS51123 is a cost effective, dual-synchronous buck controller targeted for notebook system power supply solutions. It provides 5-V and 3.3-V LDOs and requires few external components.

Key Features

  • 2 Wide-Input Voltage Range: 5.5 V to 28 V
  • Output Voltage Range: 2 V to 5.5 V
  • Built-in 100-mA 5-V/3.3-V LDO with Switches
  • Built-in 1% 2-V Reference Output
  • With/Without Out-of-Audio™ Mode Selectable Light-Load and PWM only Operation
  • Internal 1.6-ms Voltage Servo Softstart
  • Adaptive On-Time Control Architecture with Four Selectable Frequency Setting
  • 4500 ppm/°C RDS(on) Current Sensing
  • Built-In Output Discharge
  • Power Good Output
TPS51123 reference image

Representative TPS51123 image (package may vary by manufacturer)

Price & Availability

Seller Inventory Price Breaks Buy
Rochester Electronics 36624 25+ : 4.15 USD
100+ : 3.94 USD
500+ : 3.74 USD
1000+ : 3.53 USD
View Offer
Verical 20835 73+ : 5.1875 USD
100+ : 4.925 USD
500+ : 4.675 USD
1000+ : 4.4125 USD
View Offer