300kHz Dual, 180° Out-of-Phase, StepDown PWM and Single Linear Controller

The ISL6402 is a high-performance, triple-output controller optimized for converting wall adapter, battery or network intermediate bus DC input supplies into the system supply voltages required for a wide variety of applications. Each output is adjustable down to 0.8V. The two PWMs are synchronized 180o out of phase reducing the RMS input current and ripple voltage.

Features

? Wide Input Supply Voltage Range . . . . . . . . . 4.5V to 24V

? Three Independently Programmable Output Voltages

? Switching Frequency . . . . . . . . . . . . . . . . . . . . . . . 300kHz

? Out of Phase PWM Controller Operation

- Reduces Required Input Capacitance and Power Supply Induced Loads

? No External Current Sense Resistor

- Uses Lower MOSFET’s rDS(ON)

? Bidirectional Frequency Synchronization for Synchronizing Multiple ISL6402s

? Programmable Soft-Start

? Extensive circuit protection functions

- PGOOD

- UVLO

- Overcurrent

- Overtemperature

- Independent Shutdown for Both PWMs

? Excellent Dynamic Response

- Voltage Feed-Forward with Current Mode Control

? QFN Packages:

- QFN - Compliant to JEDEC PUB95 MO-220

QFN - Quad Flat No Leads - Package Outline

- Near Chip Scale Package footprint, which improves

PCB efficiency and has a thinner profile

? Pb-Free Available (RoHS Compliant)

Applications

? Power Supplies with Multiple Outputs

? xDSL Modems/Routers

? DSP, ASIC, and FPGA Power Supplies

? Set-Top Boxes

? Dual Output Supplies for DSP, Memory, Logic, μP Core and I/O

? Telecom Systems

ISL6402IR-T屬于集成電路（IC） > 線性穩(wěn)壓器控制器。瑞薩科技有限公司制造生產(chǎn)的ISL6402IR-T穩(wěn)壓器 - 線性 + 開(kāi)關(guān)此產(chǎn)品族中的產(chǎn)品用于構(gòu)建執(zhí)行 DC-DC 轉(zhuǎn)換或電壓調(diào)節(jié)功能的電路，采用的是開(kāi)關(guān)模式和線性穩(wěn)壓器功能的組合。雖然具體的拓?fù)涓鞑幌嗤?，但此類產(chǎn)品的主要目的是將開(kāi)關(guān)模式技術(shù)的效率優(yōu)勢(shì)與線性穩(wěn)壓技術(shù)的低噪聲特性結(jié)合在一起。