MCP201 datasheet(15/40 Pages) MICROCHIP

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DS21730F-page 15

MCP201

Bus Interface

VIHLBUS

High-level Input Voltage

(LBUS)

0.6 VBAT

—

Recessive state

VILLBUS

Low-level Input Voltage

(LBUS)

-8

—

0.4 VBAT

Dominant state

VHYS

Input Hysteresis

0.05

VBAT

—

0.1 VBAT

VVIH - VIL

IOL

Low-level Output Current

(LBUS)

—

200

Output voltage = 0.1 VBAT,

VBAT = 12V

High-level Output Current

(LBUS)

-20

—

µA

VBUS

≥ VBAT, VLBUS < 40V

Pull-up Current on Input

(LBUS)

-180

—

-60

µA

Approx. 30 k

Ω internal pull-up

@ VIH = 0.7 VBAT

ISC

Short-circuit Current-Limit

—

200

(Note 1)

VOH

High-level Output Voltage

(LBUS)

0.8 VBAT

——

VOL

Low-level Output Voltage

(LBUS)

——

0.2 VBAT

Voltage Regulator

VREG

Output Voltage

4.75

—

5.25

0 mA > IOUT > 50 mA,

7.0V < VBAT < 18V

VREG1

Output Voltage

4.4

—

5.25

0 mA > IOUT > 50 mA,

6.0V < VBAT < 7.0V

ΔVREG1 Line Regulation

—

IOUT = 1 mA, 7.0V < VBAT < 18V

ΔVREG2 Load Regulation

—

5 mA < IOUT < 50 mA,

VBAT = Constant

Output Noise Voltage

—

400

µVRMS 1VRMS @ 10 Hz - 100 kHz

VSD

Shutdown Voltage

(monitoring VREG)

3.5

—

4.0

See Figure 1-4

VON

Input Voltage to Turn On

Output (monitoring VBAT)

5.5

—

6.0

2.2

DC Specifications (Continued)

DC Specifications

Electrical Characteristics:

Unless otherwise indicated, all limits are specified for:

VBAT = 6.0V to 18.0V

TAMB = -40°C to +125°C

CLOADREG = 10 µF

Sym.

Parameter

Min.

Typ.

Max.

Units

Conditions

Note 1:

Internal current limited. 2.0 ms typical recovery time (RLBUS = 0

Ω, TX = 0.4 VREG, VLBUS = VBAT, TAMB =

25C. Recovery time highly dependent on ambient temperature, package and thermal resistance).

For design guidance only, not tested.

This current is at the VBAT pin.

The maximum power dissipation is a function of TJMAX,

ΘJA and ambient temperature TA. The maximum

allowable power dissipation at an ambient temperature is PD = (TJMAX - TA)

ΘJA. If this dissipation is

exceeded, the die temperature will rise above 150

°C and the MCP201 will go into thermal shutdown.

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