MCP19124 datasheet(17/236 Pages) MICROCHIP

17 / 236 page

 2016 Microchip Technology Inc.

DS20005619A-page 17

MCP19124/5

2.1.22

PDRV PIN

The gate of the low-side primary MOSFET is

connected to PDRV. The PCB tracing connecting

PDRV to the gate must be of minimal length and

appropriate width to handle the high-peak drive

currents and fast voltage transitions.

2.1.23

VDR PIN

The supply for the low-side drivers is connected to this

pin and has an absolute maximum rating of +13.5V.

This pin can be connected by an RC filter to the VDD

pin.

2.1.24

VDD PIN

The output of the internal +5.0V regulator is connected

to this pin. It is recommended that a 1.0 µF minimum/

4.7 µF maximum bypass capacitor be connected

between this pin and the GND pin of the device. The

bypass capacitor should be physically placed close to

the device.

2.1.25

VIN PIN

Input power connection pin of the device. It is

recommended that capacitance be placed between this

pin and the GND pin of the device.

2.1.26

VS PIN

Analog input connected to the noninverting input of the

overvoltage comparator. Typically used as output

voltage overvoltage protection. The inverting input of

the overvoltage comparator is controlled by the

OVREF DAC.

2.1.27

VCOMP PIN

EA2 Error amplifier output signal connecting to external

compensation

2.1.28

ICOMP PIN

EA1 Error amplifier output signal connecting to external

compensation.

2.1.29

EXPOSED PAD (EP)

It is recommended to connect the exposed pad to

AGND.

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