PIC18F4550ESOSQTP datasheet(372/430 Pages) MICROCHIP

372 / 430 page

PIC18F2455/2550/4455/4550

DS39632D-page 370

Preliminary

D022

(

ΔIWDT)

Module Differential Currents (

ΔIWDT, ΔIBOR, ΔILVD, ΔIOSCB, ΔIAD)

Watchdog Timer

1.3

3.8

μA-40°C

VDD = 2.0V

1.4

3.8

μA+25°C

2.0

3.8

μA+85°C

1.9

4.6

μA-40°C

VDD = 3.0V

2.0

4.6

μA+25°C

2.8

4.6

μA+85°C

4.0

μA-40°C

VDD = 5.0V

5.5

μA+25°C

5.6

μA+85°C

D022A

(

ΔIBOR)

Brown-out Reset(4)

μA

-40°C to +85°C

VDD = 3.0V

μA

-40°C to +85°C

VDD = 5.0V

μA

-40°C to +85°C

Sleep mode,

BOREN1:BOREN0 = 10

D022B

(

ΔILVD)

High/Low-Voltage

Detect(4)

μA

-40°C to +85°C

VDD = 2.0V

μA-40°C to +85°C

VDD = 3.0V

μA

-40°C to +85°C

VDD = 5.0V

D025

(

ΔIOSCB)

Timer1 Oscillator

2.1

4.5

μA-40°C

VDD = 2.0V

32 kHz on Timer1(3)

1.8

4.5

μA+25°C

2.1

4.5

μA+85°C

2.2

6.0

μA-40°C

VDD = 3.0V

32 kHz on Timer1(3)

2.6

6.0

μA+25°C

2.9

6.0

μA+85°C

3.0

8.0

μA-40°C

VDD = 5.0V

32 kHz on Timer1(3)

3.2

8.0

μA+25°C

3.4

8.0

μA+85°C

D026

(

ΔIAD)

A/D Converter

1.0

2.0

μA

-40°C to +85°C

VDD = 2.0V

A/D on, not converting

1.0

2.0

μA

-40°C to +85°C

VDD = 3.0V

1.0

2.0

μA

-40°C to +85°C

VDD = 5.0V

28.2

DC Characteristics:

Power-Down and Supply Current

PIC18F2455/2550/4455/4550 (Industrial)

PIC18LF2455/2550/4455/4550 (Industrial) (Continued)

PIC18LF2455/2550/4455/4550

(Industrial)

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C for industrial

PIC18F2455/2550/4455/4550

(Industrial)

Standard Operating Conditions (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C for industrial

Param

No.

Device

Typ

Max

Units

Conditions

Legend:

TBD = To Be Determined. Shading of rows is to assist in readability of the table.

Note 1:

The power-down current in Sleep mode does not depend on the oscillator type. Power-down current is measured

with the part in Sleep mode, with all I/O pins in high-impedance state and tied to VDD or VSS and all features that

add delta current disabled (such as WDT, Timer1 Oscillator, BOR, etc.).

The supply current is mainly a function of operating voltage, frequency and mode. Other factors, such as I/O pin

loading and switching rate, oscillator type and circuit, internal code execution pattern and temperature, also have

an impact on the current consumption.

The test conditions for all IDD measurements in active operation mode are:

OSC1 = external square wave, from rail-to-rail; all I/O pins tri-stated, pulled to VDD or VSS;

MCLR = VDD; WDT enabled/disabled as specified.

Standard low-cost 32 kHz crystals have an operating temperature range of -10°C to +70°C. Extended

temperature crystals are available at a much higher cost.

BOR and HLVD enable internal band gap reference. With both modules enabled, current consumption will be

less than the sum of both specifications.

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