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ADM1186-2ARQZ-REEL

更新时间： 2024-11-29 03:53:19

品牌	Logo	应用领域
亚德诺 - ADI		电源电路电源管理电路光电二极管监控
页数	文件大小	规格书
28页	446K
描述
Quad Voltage Up and Down Sequencer and Monitor with Programmable Timing

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Quad Voltage Up and Down Sequencer

and Monitor with Programmable Timing

ADM1186

FEATURES

GENERAL DESCRIPTION

Powered from 2.7 V to 5.5 V on the VCC pin

The ADM1186-1 and ADM1186-2 are integrated, four-channel

Monitors four supplies via 0.8% accurate comparators

Digital core supports up and down supply sequencing

Multiple devices can be cascaded (ADM1186-1)

Four inputs can be programmed to monitor different voltage

levels with resistor dividers

Capacitor programmable supply sequence time delays

and a timeout delay to 5% accuracy at 25°C

Four open-drain enable outputs

voltage monitoring and sequencing devices. A 2.7 V to 5.5 V

power supply is required on the VCC pin for power.

Four precision comparators, VIN1 to VIN4, monitor four

voltage rails. All four comparators share a 0.6 V reference and

have a worst-case accuracy of 0.8%. Resistor networks that are

external to the VIN1, VIN2, VIN3, and VIN4 pins set the

undervoltage (UV) trip points for the monitored supply rails.

The ADM1186-1 and ADM1186-2 have four open-drain enable

outputs, OUT1 to OUT4, that are used to enable power supplies.

An open-drain power-good output, PWRGD, indicates whether

the four VINx inputs are above their UV thresholds.

Open-drain power-good output

Open-drain sequence complete pin and bidirectional

open-drain fault pin (ADM1186-1 only)

APPLICATIONS

DOWN

A state machine monitors the state of the UP and

pins

Monitor and alarm functions

DOWN

on the ADM1186-1 or the UP/

pin on the ADM1186-2

Up and down power supply sequencing

Telecommunication and data communication equipment

PCs, servers, and notebook PCs

to control the supply sequencing direction (see Figure 2). In the

WAIT START state, a rising edge transition on the UP or

DOWN

UP/

transition on the

DONE state triggers a power-down sequence.

pin triggers a power-up sequence. A falling edge

DOWN DOWN

or UP/

pin in the POWER-UP

APPLICATION DIAGRAM

ADP1706

2.5V

1.8V

OUT

ADP2107

OUT

3.3V AUX

1µF

ADP1821

1.2V

3.3V

OUT

ADP1706

100nF

OUT

3.3V AUX

VCC

OUT1

OUT2

OUT3

OUT4

FAULT

VIN1

VIN2

VIN3

VIN4

SEQUENCE CONTROL

DOWN

ADM1186-1

DLY_EN_OUT1

DLY_EN_OUT2

DLY_EN_OUT3

DLY_EN_OUT4

BLANK_DLY

2.5V AUX

3.3V AUX

PWRGD

SEQ_DONE

GND

Figure 1.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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ADM1186-2ARQZ-REEL 替代型号

型号	品牌	替代类型	描述	数据表
ADM1186-2ARQZ	ADI	完全替代	Quad Voltage Up and Down Sequencer and Monitor with Programmable Timing
ADM1186-1ARQZ-REEL	ADI	类似代替	Quad Voltage Up and Down Sequencer and Monitor with Programmable Timing
ADM1186-1ARQZ	ADI	类似代替	Quad Voltage Up and Down Sequencer and Monitor with Programmable Timing

与ADM1186-2ARQZ-REEL相关器件

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ADM1191	ADI	获取价格	Digital Power Monitor with Convert Pin and ALERTB O
ADM1191_08	ADI	获取价格	Digital Power Monitor with Convert Pin and ALERTB Output
ADM1191-2ARMZ-R7	ADI	获取价格	Digital Power Monitor with Convert Pin and ALERTB Output
ADM1191-2ARMZ-R71	ADI	获取价格	Digital Power Monitor with Convert Pin and ALERTB O
ADM1192	ADI	获取价格	Digital Power Monitor with Clear Pin and ALERT Output
ADM1192_08	ADI	获取价格	Digital Power Monitor with Clear Pin and ALERT Output
ADM1192-1ARMZ-R7	ADI	获取价格	Digital Power Monitor with Clear Pin and ALERT Output
ADM1201AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, MO-193BA, TSOT-8, Power Management Circuit
ADM1202-1AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, MO-193BA, TSOT-8, Power Management Circuit
ADM1202-2AUJ	ADI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, MO-193BA, TSOT-8, Power Management Circuit

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