Datasheet > ISL71001SLHM

ISL71001SLHM

更新时间： 2024-11-26 14:58:27

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
27页	766K
描述
6A Radiation Hardened Synchronous Buck Regulator with Integrated MOSFETs

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ISL71001SLHM 数据手册

Datasheet

ISL71001SLHM

Radiation Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs

The ISL71001SLHM is a radiation hardened and

high-efficiency monolithic synchronous buck regulator

Features

▪ Production testing and qualification follow the

AS6294/1 standard (see Radiation Hardened

Plastic Production and QCI Flow)

▪ Passes NASA low outgassing specifications

▪ Operates from 3V to 5.5V supply

▪ Current mode controlled feedback

▪ Fixed 1MHz switching frequency

▪ ±1.2% reference voltage

with integrated MOSFETs. This single-chip power

solution operates across an input voltage range of 3V

to 5.5V and provides a tightly regulated output voltage

that is externally adjustable from 0.8V to ~85% of the

input voltage with an output load current capacity of

6A. The ISL71001SLHM is available in a plastic 64 Ld

Thin Quad Flatpack (EP-TQFP) package.

The ISL71001SLHM uses peak current-mode control

for excellent output load transient response and

features integrated compensation and switches at a

fixed frequency of 1MHz to reduce component size

and count. In applications where two regulators are

needed, two ISL71001SLHM devices can be

synchronized 180° out-of-phase to reduce the overall

input RMS ripple current. The internal synchronous

power switches are optimized for high efficiency and

good thermal performance.

▪ Highly efficient: 95% peak efficiency

▪ SYNC pin allows synchronization of two devices

▪ Adjustable output voltage

▪ Output undervoltage and output overcurrent

protection with power-good output voltage monitor

▪ Radiation acceptance testing - ISL71001SLHM

• 75krad(Si) at a low dose rate (< 10mrad(Si)/s)

▪ SEE hardness (see SEE report for details)

The ISL71001SLHM incorporates fault protection for

the regulator. The protection circuits include input

undervoltage, output undervoltage, and output

overcurrent.

• Single-event effects at LET = 86MeV•cm /mg

Applications

▪ FPGA, CPLD, DSP, CPU Core, or I/O voltages

High integration makes the ISL71001SLHM an ideal

choice to power many of today’s small form factor

applications. Two devices can be synchronized to

provide a complete power solution for large-scale

digital ICs, like Field Programmable Gate Arrays

(FPGAs), that require separate core and I/O voltages.

▪ Low-voltage, high-density distributed power

systems

▪ Medium/Geostationary Earth Orbit (MEO/GEO)

▪ Launch Vehicles and High Altitude Avionics

100

3.3V

ISL71001SLHM

SYNC

CORE

SYNC

I/O

FPGA

ISL71001SLHM

3.3VIN

5VIN

LDO

AUX

(A)

OUT

Figure 2. Efficiency vs V_INfor 2.5V Output, T_C= +25°C

Figure 1. Typical Application

R34DS0014EU0101 Rev.1.1

Aug 10, 2021

Page 1

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