ZIOL2201 datasheet(52/92 Pages) RENESAS

tên linh kiện	ZIOL2201

Giải thích chi tiết về linh kiện	IO-Link Compliant HV Line Driver IC Family

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52 / 92 page

ZIOL2xxx Datasheet

April 26, 2016

In order to reduce power dissipation, caused by the voltage drop above the regulating transistor, the regulator can

be powered with an input voltage less than VDD_HV. If for example the on-chip DC/DC converter is in use and its

output voltage is set to at least 5V, then the linear regulator can be powered with this output voltage.

The electrical characteristics are shown in the chapter “operating conditions” (chapter 1).

The following block schematic (Figure 3.19) shows the principle of the low voltage generation in conjunction with a

possible usage of the on chip DC/DC converter. For more information about required external components refer to

chapter 4.

Figure 3.19 Low Voltage Supply Concept

DC/DC

3...15V

Start-up

Regulator

3.0V

Linear

Regulator

3.3V

VDD

LR_IN

IC core circuit

2 channel driver

VSS

external

application

supply

internal LV

supply

ZMDIOL2401

LR_OUT

3.3V supply

for external application

LR_IN alternatively connected to

- VDD_HV (cable supply voltage) or

- VOUT (DC/DC converter output)

VSS

VDD_HV

VDD_LV

VIN

VOUT

External source

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