Datasheet > ISL70321SEH

ISL70321SEH

更新时间： 2024-09-27 14:58:15

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
26页	1147K
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Radiation Hardened Quad Power Supply Sequencer

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ISL70321SEH 数据手册

DATASHEET

ISL70321SEH, ISL73321SEH

Radiation Hardened Quad Power Supply Sequencers

FN8942

Rev.3.0

Jul 30, 2021

The ISL70321SEH and ISL73321SEH are radiation

hardened and SEE mitigated power supply sequencers

designed to drive Point-of-Load (POL) regulators with

enable pins. Up to four power supplies can be fully

sequenced by a single device or multiple devices can be

easily cascaded to sequence an unlimited number of

power supplies for dense RF applications.

Features

• Wide operating voltage range, 3V to 13.2V

• Single resistor sets the rising and falling delay

• Power-off POLs in reverse order or

simultaneously

• Precision voltage monitoring

This power supply sequencer requires only two feedback

resistors per power supply and a single resistor to set the

rising and falling delay. The device features precision

input comparators with an input threshold voltage of

600mV ±1.5% for the highest possible accuracy when

monitoring the power supply voltages.

• 600mV ±1.5% threshold voltage over

temperature and radiation

• Full military temperature range operation

• T = -55°C to +125°C

• T = -55°C to +150°C

The ISL70321SEH and ISL73321SEH are offered in an

18 Ld 10mmx12mm CDFP package or die form and are

fully specified across the military ambient temperature

range of -55°C to +125°C.

• Radiation acceptance testing - ISL70321SEH

• High Dose Rate (HDR) (50-300rad(Si)/s):

100krad(Si)

With minimal external component count, precision

voltage monitoring, and SET mitigation, the

ISL70321SEH and ISL73321SEH are the ideal choice to

control many of today’s highly dense power systems in

high reliability applications.

• Low Lose Rate (LDR) (0.01rad(Si)/s): 75krad(Si)

• Radiation acceptance testing - ISL73321SEH

• Low Lose Rate (LDR) (0.01rad(Si)/s): 75krad(Si)

• SEE Hardness (Review SEE Report for details)

Applications

• Power sequencing for multi-rail devices such as

FPGAs, DSPs, and communications ICs

• No SEB/SEL LET , V = 14.7V:

86MeV•cm /mg

TH DD

• SET, SEFI free at LET 20MeV•cm /mg

• Power management of high-density distributed power

systems and RF applications

• Electrically screened to DLA SMD 5962-17225

FN8942 Rev.3.0

Jul 30, 2021

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ISL70419SEHVF	INTERSIL	获取价格	Spectral analysis equipment

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