MCP18480_13 datasheet(4/64 Pages) MICROCHIP

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MCP18480

DS20091C-page 4

 2002-2012 Microchip Technology Inc.

DC Characteristics (Continued)

Electrical Specification: Unless otherwise specified, operating temperature: –40

C  T

A  +85C (Industrial),

Supply Current: 5 mA

 I

POS  25 mA, RISET = 125 kCBYP = 2 µF

Param.

No.

Parameter

Sym

Min

Typ (1)

Max

Units

Conditions

MD020

DRAIN pin current

IDRAIN

—

0.1

µA

DRAINTH pin = VNEG

MD021

SENSE pin current

ISENSE

——

0.1

µA

MD022

GATE pin current

Pull-up

IGATE

SENSE pin = VNEG

GATE pin = VNEG +4V

MD022A

-30

-50

-75

µA

VFB = VNEG

MD022B

-9

-17

-33

µA

VFB = VNEG + 500 mV

MD022C

Pull-down

IGATE

Any fault condition

MD023

UVD pin current

IUVD

-7

-10

-15

µA

UVTH < VREFIN

MD024A

TIMER pin current

Pull-up

ITIMER

-100

-160

-200

µA

RISET = 125 k,

VREFIN = 2.5V

MD024B

Pull-down

104

RISET = 125 k,

VREFIN = 2.5V

RDISCH = 1.6 M

MD025

ISET pin current

IISET

VISET(MIN)

—VISET(MAX)

See MD011

RISET(MAX)

RISET(MIN)

Note

1: Data in the Typical (“Typ”) column is based on characterization results at +25

C. This data is for design guidance only

and is not tested.

2: Negative current is defined as current sourced by the pin.

3: All voltages are with respect to the VNEG pin voltage.

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