MAX17823BGCV datasheet(39/121 Pages) MAXIM

номер детали	MAX17823BGCV

подробное описание детали	12-Channel High-Voltage Data Acquisition System

PDF	121 Pages

Scroll/Zoom	100%

производитель	MAXIM [Maxim Integrated Products]

домашняя страница	https://www.maximintegrated.com/en.html

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39 / 121 page

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MAX17823B

12-Channel High-Voltage Data Acquisition System

www.maximintegrated.com

Maxim Integrated | 39

Power-On Sequence

Once VSHNDL > 1.8V, the regulator is enabled. After VAA reaches 3V typical, the POR signal is de-asserted, the

oscillators are enabled, and the HV charge pump is enabled. Once the HV charge-pump is stable, the logic is

enabled. The device is fully operational (standby mode) within 1ms from the time communication is first received in

the shutdown mode. The power-on sequence is shown in Figure 20.

Voltage applied to

DCIN

Die Temp

> 145°C

VAA <

VPOR_RISING

Regulator

Disabled

32kHz Oscillator

Enabled

Check Die

Temperature

Check VAA

Charge Pump and

Digital Logic

Enabled

Charge Pump

Settled

MAX17880 Fully

Functional

470uSec

Delay

3ms Delay

Regulator Enabled

ALRTRST Bit Set

Check SHDN\

SHDN/

Active

POR Cleared

Regulator

Disabled

Die Temp > 145°C

SHDN\ Active

Figure 20. Power-On Sequence

SHUTDOWN

MODE

STANDBY

MODE

Yes

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