Product Summary

The LTC1530IS8#TR is a high power synchronous switching regulator controller optimized for 5V to 1.3V-3.5V output applications. Its synchronous switching architecture drives two external N-channel MOSFET devices to provide high efficiency. The LTC1530IS8#TR contains a precision trimmed reference and feedback system that provides worst-case output voltage regulation of ±2% over temperature, load current and line voltage shifts. The applications of the LTC1530IS8#TR include Power Supply for Pentium II, AMD-K6-2, SPARC, ALPHA and PA-RISC Microprocessors, High Power 5V to 1.3V-3.5V Regulators.

Parametrics

LTC1530IS8#TR absolute maximum ratings: (1)Supply Voltage, PVCC: 14V; (2)Input Voltage, IFB (Note 2): PVCC + 0.3V; IMAX: -0.3V to 14V; IFB Input Current (Notes 2,3): 100mA; (3)Operating Ambient Temperature Range: 0℃ to 70℃; (4)Maximum Junction Temperature: 125℃; (5)Storage Temperature Range: -65℃ to 150℃; (6)Lead Temperature (Soldering, 10 sec): 300℃.

Features

LTC1530IS8#TR features: (1)High Power Buck Converter from 5V or 3.3V Main Power; (2)Adjustable Current Limit in S0-8 with Topside FET RDS(ON) Sensing; (3)No External Sense Resistor Required; (4)Hiccup Mode Current Limit Protection; (5)Adjustable, Fixed 1.9V, 2.5V, 2.8V and 3.3V Output; (6)All N-Channel MOSFET Synchronous Driver; (7)Excellent Output Regulation: ±2% over Line, Load and Temperature Variations; (8)High Efficiency: Over 95% Possible; (9)Fast Transient Response; (10)Fixed 300kHz Frequency Operation; (11)Internal Soft-Start Circuit; (12)Quiescent Current: 1mA, 45mA in Shutdown.

Diagrams

LTC1530IS8#TR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC1530IS8#TR
LTC1530IS8#TR


IC SW REG CTRLR SYNC HIPWR 8SOIC

Data Sheet

0-2500: $2.17
LTC1530IS8#TRPBF
LTC1530IS8#TRPBF


IC SW REG CNTRLR SYNC ADJ 8-SOIC

Data Sheet

0-2500: $2.17