ISL6421ER-T集成电路（IC）的特殊用途稳压器规格书PDF中文资料

特性 Features

• Switch-Mode Power Converter for Lowest Dissipation

- Boost PWM with >92 Efficiency

- Selectable 13V or 18V Outputs

- Digital Cable Length Compensation (1V)

• External Pin to Select 13V/18V Options

• I2C Compatible Interface for Remote Device Control

- Registered Slave Address 0001 00XX

- Fully Functional 3.3V, 5V Operation up to 400kHz

• Built-In Tone Oscillator Factory Trimmed to 22kHz

- Facilitates DiSEqC (EUTELSAT) Encoding

• Internal Over-Temperature Protection and Diagnostics

• Internal Overload and Overtemp Flags (Visible on I2C)

• LNB Short-Circuit Protection and Diagnostics

• QFN Package

- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat

No Leads - Product Outline

- Near Chip-Scale Package Footprint

• Pb-free available

Applications

• LNB Power Supply and Control for Satellite Set-Top Box

References

• Tech Brief 389 (TB389) - “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”; Available

on the Intersil website, www.intersil.com