LTC7851集成電路（IC）的PMIC-穩(wěn)壓器-DCDC開關(guān)式控制器規(guī)格書PDF中文資料

LTC7851屬于集成電路（IC）的PMIC-穩(wěn)壓器-DCDC開關(guān)式控制器。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的LTC7851DC-DC 開關(guān)控制器PMIC（電源管理集成電路）DC 到 DC 開關(guān)式控制器是用于高效率電路的穩(wěn)壓 IC，其配置為生成高于（突升或步升）或低于（突降或步降）輸入電源的輸出電源電壓。其他拓?fù)浣Y(jié)構(gòu)可能包括：降壓-升壓、反激、正激、Cuk、SEPIC、全橋、半橋和推挽式。這些器件不同于需要最小電壓并“燒盡”多余電壓的線性穩(wěn)壓器。

DESCRIPTION

The LTC?7051-1 monolithic power stage fully integrates

high speed drivers with low resistance half-bridge power

switches plus comprehensive monitoring and protection

circuitry in an electrically and thermally optimized package.

With a suitable high frequency controller, this power stage

forms a compact, high current voltage regulator system

with state-of-the-art efficiency and transient response.

SilentMOS technology utilizes second generation Silent

Switcher 2 architecture reducing both EMI and switchnode

voltage overshoot while maximizing efficiency at

high switching frequencies.

High speed current sensing provides low latency switch

current information, enabling tight current balancing and

immediate overcurrent protection.

Thermally-enhanced packaging provides 65A rated output

current capability.

FEATURES

- 140A Peak Output Current

- SilentMOS? Smart Power Stage

- Utilizes Low EMI/EMC Silent Switcher?2 Architecture

- Ultra-low SW-Voltage Overshoot

- Frequency Up to 2MHz

- VIN Up to 16V

- Up to 94 Efficiency at 1MHz with 1.8VOUT

- Integrated Boost Diodes and Capacitors and Power Switches

- Accurate Switch Current Monitoring

- Power MOSFET Overcurrent Protection

- Input Overvoltage and Bias Undervoltage Protection

- Thermal Monitor with Overtemperature Flag

- 3.3V/5V Compatible Tri-State PWM Input

- 5mm × 8mm LQFN Package

APPLICATIONS

- High Current Servers and Workstations

- Networking/Telecom Microprocessor Supplies

- Small Form-Factor POL Converter