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SC1408IS-TR, SC1408ISTRT, SC1409

Table of contents:
Info of SC1408IS-TR
Info of SC1408ISTRT
Info of SC1409

SC1408IS-TR, SC1408ISTRT, SC1409 Selling Leads, Datasheet

MFG:SC Package Cooled:SOP8 D/C:New

SC1408IS-TR, SC1408ISTRT, SC1409 Picture

SC1408IS-TR, SC1408ISTRT, SC1409 Datasheet download

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Part Number: SC1408IS-TR

MFG: SC

Package Cooled: SOP8

D/C: New

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SC1409 General Description

The SC1409 is a versatile, voltage-mode switching regulator designed for use in battery operated power supply applications. A simple, fixed-voltage buck regulator can be implemented using the SC1409 with a minimum of external components. Internal MOSFETs and control circuitry minimize board space and design time. The small device footprint allows for compact circuit design.

SC1409 features include a temperature compensated voltage reference, triangle wave oscillator, hiccup mode current limit, an internally compensated error amplifier, overcurrent temperature protection, soft start, and under voltage lock out.

The SC1409 operates at a selectable, fixed frequency of 300kHz or 500kHz, or can be synchronized to an external clock within this range, providing an optimum compromise between efficiency, external component size, and cost.

SC1409 Maximum Ratings

Parameter	Symbol	Maximum	Units
Supply Voltage	V_CC	-0.3 to +7	V
Ground Differential	P_GND to GND	± 1	V
Input Voltage	V_IN	-0.3 to +7	V
Operating Ambient Temperature Range	T_A	-40 to +85	°C
Operating Junction Temperature Range	T_J	-40 to +125	°C
Storage Temperature	T_STG	-60 to +150	°C
Lead Temperature (Soldering) 10 seconds	TL	300	°C
Thermal Resistance, Junction to Ambient	_JA	165	°C/W
Thermal Resistance, Junction to Case	_JC	40	°C/W
ESD Rating (Human Body Model)	ESD	2	kV

SC1409 Features

• Internal MOSFETs
• Excellent efficiency >88%
• 1% Voltage accuracy
• Built-in over current protection
• 1A Output current
• 5A Standby current
• Industrial temperature range
• 300kHz/500kHz selectable frequency

SC1409 Typical Application

• Handheld equipment
• PDA power supplies
• Notebook I/O power supplies
• Peripheral card supplies
• High density DC/DC conversion

SC1409 Connection Diagram

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