MCP8021 datasheet(8/66 Pages) MICROCHIP

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MCP8021/2

DS20006265D-page 8

 2020-2024 Microchip Technology Inc. and its subsidiaries

+3.3V/+5V Linear Regulator (VREG)

Output Voltage

VREG

——

—V

VDD =6V, IOUT =70 mA

4.8

5.2

VREG =5V

3.168

3.3

3.432

VREG =3.3V

Output Voltage Tolerance

|TOLVREG|—

—

4.0

Output Current

IOUT

—

Average current

Output Foldback Current Corner

IFOLD

120

Average current

Output Foldback Current Limit

IFOLD_LIM

—10

—

RLOAD =10 m

Line Regulation

VOUT/

(VOUT x VDD)|

—0.1

0.5

%/V

VREG = 3.3V: 6V < VDD < 19V,

IOUT = 70 mA;

VREG =5V: 7.5V < VDD < 19V,

IOUT = 70 mA

Load Regulation

VOUT/VOUT|—

0.2

1.0

IOUT = 0.1 mA to 70 mA

Power Supply Rejection Ratio

PSRR

—

f = 1 kHz, IOUT =10mA

(Note 1)

Output Capacitor Capacitance

Range

CVREG

4.7

—

µF

Ceramic, Tantalum, Electrolytic

(Note 1)

Output Capacitor ESR Range

CESRVREG

0.010

—

1.0



Note 1

Voltage Supervisor

VREG Undervoltage Fault

Inactive

VREGUVFINACT

—92

—

%VREG VREG rising

VREG Undervoltage Fault Active VREGUVFACT

—88

—

%VREG VREG falling

VREG Undervoltage Fault

Hysteresis

VREGUVFHYS

—4

—

%VREG

VDD Undervoltage Lockout

Inactive

UVLOINACT

—

6.0

6.25

Rising

VDD Undervoltage Lockout Active

UVLOACT

5.1

5.5

—

Falling

VDD Undervoltage Lockout

Hysteresis

UVLOHYS

—0.5

—

VDD Undervoltage Shutdown

Active

UVSHDNACT

4.0

4.25

4.5

VDD < UVSHDNACT

VDD Undervoltage Shutdown

Inactive

UVSHDNINACT

UVLOINACT

VVDD >UVLOINACT

VDD Overvoltage Lockout Active

OVLOACT

—

32.0

33.0

VDD rising

VDD Overvoltage Lockout

Inactive

OVLOINACT

29.0

30.0

—

VDD falling

VDD Overvoltage Lockout

Hysteresis

OVLOHYS

—2.0

—

Temperature Supervisor

Thermal Warning Temperature

TWARN

—

140

—

°C

Rising temperature

Thermal Warning Hysteresis

TWARN

—

°C

Falling temperature

Thermal Shutdown

Temperature

TSD

170

210

—

°C

Rising temperature (Note 1)

Thermal Shutdown Hysteresis

TSD

—

°C

Falling temperature

AC/DC CHARACTERISTICS (CONTINUED)

Electrical Specifications: Unless otherwise noted: TJ = -40°C to +150°C; typical values are for +25°C, VDD = 13.5V,

CVBOOT = 4.7 µF, CVREG =4.7 µF, CCP = 220 nF.

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1: Limits based on design, simulation or characterization. Not production tested.

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