Datasheet > ISL8701A

ISL8701A

更新时间： 2024-11-16 01:06:07

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
12页	607K
描述
Adjustable Delay to Subsequent Enable Signal

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数据手册

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ISL8701A 数据手册

DATASHEET

ISL8700A, ISL8701A, ISL8702A, ISL8703A, ISL8704A,

ISL8705A

FN6381

Rev 1.00

July 24, 2014

The ISL8700A, ISL8701A, ISL8702A, ISL8703A, ISL8704A,

ISL8705A family of ICs provide four delay adjustable

Features

• Adjustable Delay to Subsequent Enable Signal

• Adjustable Delay to Sequence Auto Start

sequenced outputs while monitoring an input voltage all with

a minimum of external components.

High performance DSP, FPGA, µP and various subsystems

require input power sequencing for proper functionality at

initial power-up and the ISL870XA provides this function

while monitoring the distributed voltage for over and

undervoltage compliance.

• Adjustable Distributed Voltage Monitoring

• Under and Overvoltage Adjustable Delay to Auto Start

Sequence

• I/O Options

ENABLE (ISL8700A, ISL8702A, ISL8704A) and

ENABLE# (ISL8701A, ISL8703A, ISL8705A)

SEQ_EN (ISL8702A, ISL8703A) and

SEQ_EN# (ISL8704A, ISL8705A)

These ICs operate over the +3.3V to +24V nominal voltage

range. All have a user adjustable time from UV and OV

voltage compliance to sequencing start via an external

capacitor when in auto start mode and adjustable time delay

to subsequent ENABLE output signal via external resistors.

• Voltage Compliance Fault Output

• Pb-Free (RoHS Compliant)

Additionally, the ISL8702A, ISL8703A, ISL8704A and

ISL8705A provide I/O for sequencing on and off operation

(SEQ_EN) and for voltage window compliance reporting

(FAULT) over the +3.3V to +24V nominal voltage range.

Applications

• Power Supply Sequencing

• System Timing Function

Easily daisy chained for more than 4 sequenced signals.

Altogether, the ISL870XA provides these adjustable features

with a minimum of external BOM. See Figure 1 for typical

implementation.

Pinout

ISL870XA

(14 LD SOIC)

TOP VIEW

Ordering Information

PART NUMBER

(Note 1)

PART

TEMP.

PACKAGE

(Pb-free)

PKG.

DWG. #

ENABLE_D

ENABLE_C

ENABLE_B

VIN

MARKING RANGE (°C)

ISL8700AIBZ*

ISL8701AIBZ*

ISL8702AIBZ*

ISL8703AIBZ*

ISL8704AIBZ*

ISL8705AIBZ*

ISL 8700AIBZ -40 to +85 14 Ld SOIC M14.15

ISL 8701AIBZ -40 to +85 14 Ld SOIC M14.15

ISL 8702AIBZ -40 to +85 14 Ld SOIC M14.15

ISL 8703AIBZ -40 to +85 14 Ld SOIC M14.15

ISL 8704AIBZ -40 to +85 14 Ld SOIC M14.15

ISL 8705AIBZ -40 to +85 14 Ld SOIC M14.15

ENABLE_A

TIME

SEQ_EN (NC on ISL8700A/01A)

FAULT (NC on ISL8700A/01A)

GND

ISL8701A, ISL8703A, ISL8705A PINS 1-4 ARE ENABLE# FUNCTION

ISL8704A, ISL8705A PIN 9 IS SEQ_EN# FUNCTION

ISL870XAEVAL1 Evaluation Platform

*Add “-T” suffix for tape and reel.

NOTES:

3.3-24V

1. Intersil Pb-free plus anneal products employ special Pb-free material

sets; molding compounds/die attach materials and 100% matte tin

plate termination finish, which are RoHS compliant and compatible

with both SnPb and Pb-free soldering operations. Intersil Pb-free

products are MSL classified at Pb-free peak reflow temperatures that

meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

Vo1

Vo2

Vo3

V04

DC/DC

VIN

ENABLE_A

ENABLE_B

ENABLE_C

ENABLE_D

SEQ_EN *

DC/DC

FAULT *

GND TB TC TD TIME

DC/DC

* SEQ_EN and FAULT are not available on ISL8700A and ISL8701A

FIGURE 1. ISL870XA IMPLEMENTATION

FN6381 Rev 1.00

July 24, 2014

Page 1 of 12

12 3 4 5 6 7...12

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与ISL8701A相关器件

型号	品牌	获取价格	描述	数据表
ISL8701AIBZ	INTERSIL	获取价格	Adjustable Quad Sequencer
ISL8701AIBZ	ROCHESTER	获取价格	DSP-ADDRESS SEQUENCER, PDSO14, ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
ISL8701AIBZ	RENESAS	获取价格	Adjustable Delay to Subsequent Enable Signal
ISL8701AIBZ-T	RENESAS	获取价格	DSP-ADDRESS SEQUENCER, PDSO14, ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
ISL8701AIBZ-T	ROCHESTER	获取价格	DSP-ADDRESS SEQUENCER, PDSO14, ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
ISL8701IBZ	INTERSIL	获取价格	Adjustable Quad Sequencer
ISL8701IBZ	ROCHESTER	获取价格	DSP-ADDRESS SEQUENCER, PDSO14, PLASTIC, MS-012AB, SOIC-14
ISL8701IBZ	RENESAS	获取价格	DSP-ADDRESS SEQUENCER, PDSO14, PLASTIC, MS-012AB, SOIC-14
ISL8701IBZT	RENESAS	获取价格	IC DSP-ADDRESS SEQUENCER, PDSO14, PLASTIC, MS-012AB, SOIC-14, DSP Peripheral
ISL8702	INTERSIL	获取价格	Adjustable Quad Sequencer

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