Part LM27241
Description Synchronous Buck Regulator Controller
Manufacturer National Semiconductor
Size 1.24 MB
Pricing from 1.42 USD, available from Rochester Electronics and Worldway Electronics.
National Semiconductor

LM27241 Overview

Key Specifications

Package: TSSOP
Mount Type: Surface Mount
Pins: 20
Max Frequency: 500 kHz

Description

The LM27241 is an adjustable 200kHz-500kHz single channel voltage-mode controlled high-speed synchronous buck regulator controller. It is ideally suited for battery powered applications such as laptop and notebook computers.

Key Features

  • Forced-PWM or Pulse-skip modes
  • Lossless bottom-side FET current sensing
  • Adaptive duty cycle clamping
  • High current N-channel FET drivers
  • Low shutdown supply currents
  • Reference voltage accurate to within ±1.5%
  • Output voltage adjustable down to 0.6V
  • Power Good flag and Chip Enable
  • Under-voltage lockout
  • Over-voltage/Under-voltage protection

Price & Availability

Seller Inventory Price Breaks Buy
Rochester Electronics 1 100+ : 1.42 USD
500+ : 1.28 USD
1000+ : 1.18 USD
10000+ : 1.05 USD
View Offer
Worldway Electronics 17906 7+ : 0.4037 USD
10+ : 0.3956 USD
100+ : 0.3835 USD
500+ : 0.3714 USD
View Offer