Features • Compatible with advanced applications processors and FPGAs • 2 LDOs for powering Internal processor functions and I/Os • Precision internal reference • Thermal overload protection • Current overload protection • 24-lead 4 × 4 × 0.8mm LLP package • External Power-On-Reset function for Buck1 and Buck2 • Undervoltage lock-out detector to monitor input supply voltage Description The LM26480 is a multi-functional Power Management Unit, optimized for low-power digital applications. This device integrates two highly efficient 1.5A step-down DC/DC converters and two 300 mA linear regulators. The LM26480 is offered in a tiny 4 x 4 x 0.8mm LLP-24 pin package. Key Specification Step-Down DC/DC Converter (Buck) Linear Regulators (LDO) • 1.5A output current • VOUT from: • Buck1 : 0.8V–2.0V @ 1.5A • Buck2 : 1.0V–3.3V @ 1.5A • Up to 96% efficiency • ±3% FB voltage accuracy • 2 MHz PWM switching frequency • PWM - PFM automatic mode change under low loads • Automatic soft start • VOUT of 1.0V–3.5V • ±3% FB voltage accuracy • 300 mA output current • 25 mV (typ) dropout Applications • Core digital power • Applications processors • Peripheral I/O power

Also Recommended LM26420 Dual 2A Buck With Power Good And Enable For Each Channel typicla application circuit MY BRIEFCASE                                       Click any "Briefcase" icon to add an item

Typical Application click for larger image typicla application circuit	Connection Diagram click for larger image revised package drawing
Typical Performance click for larger image

Datasheet

Title		Size	Date	Other Language
	LM26480 Externally Programmable Dual High-Current Step-Down DC/DC and Dual Linear Regulators	2405 Kbytes	12-Sep-08

Featured Application Notes

Title		Size	Date	Other Language
	AN-1800: Application Note 1800 Evaluation Kit for LM26480 - Dual DC/DC Buck Regulators with Dual Low-Noise Linear Regulators	2805 Kbytes	3-Sep-08	中文
	AN-1858: Application Note 1858 LM26484 Power Management Unit Evaluation Board Application Note	582 Kbytes	4-Nov-09

More Application Notes

Title		Size	Date	Other Language
	AN-1973: Application Note 1973 Benefits and Challenges of High-Frequency Regulators	348 Kbytes	25-Jun-09
	AN-1870: Application Note 1870 LM26420 Evaluation Board	429 Kbytes	14-Apr-09