Datasheet > ISL70001SRH

ISL70001SRH

更新时间： 2024-11-19 14:58:11

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
24页	657K
描述
Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs

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ISL70001SRH 数据手册

DATASHEET

ISL70001SEH, ISL70001SRH

Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator

FN7956

Rev 3.02

Sep 16, 2022

The ISL70001SEH, ISL70001SRH are radiation hardened and

Features

SEE hardened high efficiency monolithic synchronous buck

• ±1% reference voltage over line, load, temperature and

radiation

regulators with integrated MOSFETs. This single chip power

solution operates over 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.

• Current mode control for excellent dynamic response

• Full Mil-temp range operation (T = -55°C to +125°C)

Output load current capacity is 6A for T < +145°C.

• High efficiency >90%

High integration and class leading radiation tolerance makes

the ISL70001SEH, ISL70001SRH ideal choices 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.

• Fixed 1MHz operating frequency

• Available in a thermally enhanced heatsink package - R48.B

• Operates from 3V to 5.5V supply

• Adjustable output voltage

- Two external resistors set V

from 0.8V to ~85% of V

OUT

In applications where the ENABLE input is tied high to PVIN we

recommend that the input voltage ramp rate be equal to or

greater than 10V/ms. This is to prevent unwanted voltage from

prematurely appearing on the output.

• Bidirectional SYNC pin allows two devices to be

synchronized 180° out-of-phase

• Starts into prebiased load

• Power-good output voltage monitor

• Adjustable analog soft-start

For a PVIN voltage that has a slower ramp rate or is stepped up

we recommend use of the ISL70001ASEH. Ensuring that the

ENABLE input is held low until the chosen VINPOR is satisfied

will prevent this ‘false start’.

• Input undervoltage, output undervoltage and output

overcurrent protection

• Electrically screened to DLA SMD 5962-09225

• QML qualified per MIL-PRF-38535 requirements

Applications

• FPGA, CPLD, DSP, CPU core or I/O voltages

• Radiation acceptance testing - ISL70001SEH

- HDR (50-300rad(Si)/s): 100krad(Si) (min)

- LDR (<10mrad(Si)/s): 50krad(Si) (min)

• Radiation acceptance testing - ISL70001SRH

- HDR (50-300rad(Si)/s): 100krad(Si) (min)

• SEE hardness (see SEE report for details)

• Low-voltage, high-density distributed power systems

- SEL and SEB LET . . . . . . . . . . . 86.4MeV/mg/cm (min)

eff

-6

- SEFI X-section (LET = 86.4MeV/mg/cm ) 1.4 x 10

eff

cm (max)

- SET LET (<1 pulse perturbation) 86.4MeV/mg/cm

eff

(min)

5V SUPPLY

ISL70001SEH

CORE

AUX

I/O

SYNCH

RAD TOLERANT

FPGA

ISL75051SEH

ISL70001SEH

SYNCH

LOAD CURRENT (A)

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. EFFICIENCY 5V INPUT TO 3.3V OUTPUT, T = +25°C

FN7956 Rev 3.02

Sep 16, 2022

Page 1 of 23

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与ISL70001SRH相关器件

型号	品牌	获取价格	描述	数据表
ISL70001SRH_11	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator
ISL70001SRHEVAL1Z	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator
ISL70001SRHF	INTERSIL	获取价格	Rad Hard and SEE Hard 6A Synchronous Buck Regulator
ISL70001SRHF/PROTO	RENESAS	获取价格	6A SWITCHING REGULATOR, 1200kHz SWITCHING FREQ-MAX, CQFP48, ROHS COMPLIANT, HERMETIC SEALE
ISL70001SRHF/PROTO	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs
ISL70001SRHQF	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs
ISL70001SRHVF	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs
ISL70001SRHVX	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs
ISL70001SRHX	INTERSIL	获取价格	Rad Hard and SEE Hard 6A Synchronous Buck Regulator
ISL70001SRHX/SAMPLE	INTERSIL	获取价格	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs

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