ISL70001ASEH datasheet(1/28 Pages) RENESAS

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Giải thích chi tiết về linh kiện	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator

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FN8365 Rev.3.03

Page 1 of 27

Sep 16, 2022

FN8365

Rev.3.03

Sep 16, 2022

ISL70001ASEH

Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator

DATASHEET

The ISL70001ASEH is a radiation hardened and SEE

hardened high-efficiency monolithic synchronous buck

regulator 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.

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

The ISL70001ASEH 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 application

where two POLs are needed, two ISL70001ASEH 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.

The ISL70001ASEH incorporates fault protection for the

regulator. The protection circuits include input undervoltage,

output undervoltage, and output overcurrent.

High integration and class leading radiation tolerance makes

the ISL70001ASEH 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.

Applications

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

• Low-voltage, high-density distributed power systems

Features

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

radiation

• Current mode control for excellent dynamic response

• Full mil-temp range operation (TA = -55°C to +125°C)

• 50% lower shutdown supply current than the ISL70001SEH

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

• Highly efficient: 94% peak efficiency

• Operates from 3V to 5.5V supply

• Adjustable output voltage

- Two external resistors set VOUT from 0.8V to ~85% of VIN

• Bidirectional SYNC pin allows two devices to be

synchronized 180° out-of-phase

• Power-good output voltage monitor

• Adjustable analog soft-start

• Input undervoltage, output undervoltage and output

overcurrent protection

• Electrically screened to DLA SMD 5962-09225

• QML qualified per MIL-PRF-38535 requirements

• Radiation acceptance testing

- HDR [50-300rad(Si)/s] . . . . . . . . . . . . . . . . . . . 100krad(Si)

- LDR [<10mrad(Si)/s]. . . . . . . . . . . . . . . . . . . . . . .50krad(Si)

• SEE hardness (see SEE report for details)

- SEL and SEB LETeff . . . . . . . . . . . . 86.4MeV/mg/cm2 min

-SEFI X-section (LETeff = 86.4MeV/mg/cm2)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.4 x 10-6 cm2 max

- SET LETeff (< 1 pulse perturbation) 86.4MeV/mg/cm2 min

FIGURE 1. TYPICAL APPLICATION

FIGURE 2. EFFICIENCY 5V INPUT, TA = +25°C

ISL70001ASEH

ISL75051SEH

ISL70001ASEH

5V Supply

CORE

AUX

I/O

RAD TOLERANT

FPGA

SYNCH

LOAD CURRENT (A)

70

75

80

85

90

95

0123

6

100

45

1.5V

1.2V

1.8V

2.5V

3.3V

Số phần tương tự - ISL70001ASEH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Intersil Corporation	ISL70001ASEH	1Mb / 25P	Rad Hard and SEE Hard 6A Synchronous Buck Regulator May 22, 2013
	ISL70001ASEHEV1Z	1Mb / 25P	Rad Hard and SEE Hard 6A Synchronous Buck Regulator May 22, 2013
	ISL70001ASEHF	1Mb / 25P	Rad Hard and SEE Hard 6A Synchronous Buck Regulator May 22, 2013
	ISL70001ASEHFE	1Mb / 25P	Rad Hard and SEE Hard 6A Synchronous Buck Regulator May 22, 2013
	ISL70001ASEHVF	1Mb / 25P	Rad Hard and SEE Hard 6A Synchronous Buck Regulator May 22, 2013

More results

Mô tả tương tự - ISL70001ASEH

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Intersil Corporation	ISL7457SRH	388Kb / 12P	Radiation Hardened, SEE Hardened, Non-Inverting, Quad CMOS Driver March 16, 2009
	ISL70001SRH	289Kb / 16P	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs December 15, 2009
	ISL7457SRH	642Kb / 12P	Radiation Hardened, SEE Hardened, Non-Inverting, Quad CMOS Driver May 16, 2011
	ISL70001SRH	598Kb / 16P	Radiation Hardened and SEE Hardened 6A Synchronous Buck Regulator May 23, 2011
	ISL70003SEH	1Mb / 32P	Radiation Hardened and SEE Hardened 3V to 13.2V, 6A Buck Regulator May 12, 2016
Renesas Technology Corp	ISL7457SRH	567Kb / 16P	Radiation Hardened, SEE Hardened, Non-Inverting, Quad CMOS Driver May 6, 2021
	ISL70002SEH	1Mb / 28P	Radiation Hardened and SEE Hardened 22A Synchronous Buck Regulators with Current Sharing Mar 31, 2022
	ISL70003ASEH	1Mb / 36P	Radiation and SEE Hardened 3V to 13.2V, 9A Buck Regulator Dec 12, 2019
	ISL70003SEH	1Mb / 32P	Radiation Hardened and SEE Hardened 3V to 13.2V, 6A Buck Regulator December 8, 2016
	ISL71001SLHM	771Kb / 27P	Radiation Hardened 6A Synchronous Buck Regulator with Integrated MOSFETs Aug 10, 2021

More results

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