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MAX17843 Scheda tecnica(PDF) 47 Page - Maxim Integrated Products

Il numero della parte MAX17843
Spiegazioni elettronici  12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface
PDF  131 Pages
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Produttore elettronici  MAXIM [Maxim Integrated Products]
Homepage  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17843 Scheda tecnica(HTML) 47 Page - Maxim Integrated Products

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Power-On Sequence
Once VSHNDL > 1.8V, the regulator is enabled. After VAA
reaches 3V (typ), the POR signal is deasserted, the oscil-
lators enabled, and the HV charge pump 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 24.
Figure 24. Power-On Sequence
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
STANDBY
MODE
YES
YES
SHUTDOWN
MODE
MAX17843
12-Channel, High-Voltage Smart Sensor
Data-Acquisition Interface
www.maximintegrated.com
Maxim Integrated │ 47



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