Semtech SC1112 Triple Low Dropout Regulator Controllers Datasheet

This data sheet is the AGP circuit diagram of Lenovo X300 notebook computer

Brand: Semtech
Category: Power Management
Document type: Datasheet
Language: English
Pages: 21
File format: PDF
File size: 337 KB
Published: 06 July, 2012
Updated: 30 September, 2023
Model: SC1112
MD5 checksum: BE57473F2707CC35D534440B175B4144
PDF: Semtech SC1112 Triple Low Dropout Regulator Controllers Datasheet PDF

About this manual

The SC1112 is designed for high-speed motherboards to provide power for system AGTL bus termination voltage, chipset, and clock circuitry. It includes three linear controllers with an adjustable output and two selectable outputs for VTT (1.25V or 1.5V) and AGP (1.5V or 3.3V). The device tracks the 3.3V power supply as it cycles on and off.

What's inside

Features
Applications
Absolute Maximum Ratings
Electrical Characteristics
Timing Diagrams
Pin Configuration

Specifications

Supply Voltage (5VSTBY)	4.75 V to 5.25 V
Operating Temperature Range	0 to +70 °C
VTT Output Voltage (SC1112)	1.25 V typical
AGP Output Voltage (SC1112)	1.5V or 3.3V
Tracking Difference	up to 200mV

Frequently asked questions

What are the selectable output voltages for VTT and AGP?

The SC1112 provides selectable outputs of 1.25V or 1.5V for VTT, and 1.5V or 3.3V for AGP.

What is the typical application for this device?

The device is designed for Pentium III motherboards that require triple power supplies.

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