MCP19110-ESLASHMJ datasheet(13/226 Pages) MICROCHIP

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 2013-2016 Microchip Technology Inc.

DS20002331D-page 13

MCP19110/11

GPB5/AN7/ICSPCLK/

ALT_CLKPIN

(MCP19111 Only)

GPB5

TTL

CMOS General purpose I/O

AN7

—

A/D Channel 7 input

ISCPCLK

—

Serial Programming Clock

ALT_CLKPIN

—

Alternate switching frequency clock input

or output (2,3)

GPB6 (MCP19111 Only)

GPB6

TTL

CMOS General purpose I/O

GPB7 (MCP19111 Only)

GPB7

TTL

CMOS General purpose I/O

VIN

—

Device input supply voltage

VDD

—

Internal +5V LDO output pin

VDR

—

Gate drive supply input voltage pin

GND

—

Small signal quiet ground

PGND

—

Large signal power ground

LDRV

—

High-current drive signal connected to the gate

of the low-side MOSFET

HDRV

—

Floating high-current drive signal connected to

the gate of the high-side MOSFET

PHASE

—

Synchronous buck switch node connection

BOOT

—

Floating bootstrap supply

+VSEN

—

Positive input of the output voltage sense

differential amplifier

-VSEN

—

Negative input of the output voltage sense

differential amplifier

+ISEN

—

Current sense input

-ISEN

—

Current sense input

—

Exposed Thermal Pad

TABLE 2-1:

MCP19110/11 PINOUT DESCRIPTION (CONTINUED)

Name

Function

Input

Type

Output

Type

Description

Legend:

AN = Analog input or output

CMOS =CMOS compatible input or output

OD = Open Drain

TTL = TTL compatible input

=Schmitt Trigger input with CMOS levels

I2C = Schmitt Trigger input with I2C

Note 1:

Analog Test is selected when the ATSTCON<BNCHEN> bit is set.

Selected when device is functioning as multiple output master or slave by proper configuration of the MLTPH<2:0> bits

in the BUFFCON register.

Selected when device is functioning as multi-phase master or slave by proper configuration of the MLTPH<2:0> bits in

the BUFFCON register.

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