MCP2021 datasheet(19/46 Pages) MICROCHIP

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DS22018E-page 19

MCP2021/2

2.2

DC Specification (Continued)

FIGURE 2-2:

MCP2021-330 SAFE OPERATING RANGE

DC Specifications

Electrical Characteristics:

Unless otherwise indicated, all limits are specified for:

VBB = 6.0V to 18.0V

TA = -40°C to +125°C

CLOADREG = 10 µF

Parameter

Sym

Min.

Typ.

Max.

Units

Conditions

Voltage Regulator - 3.3V

Output Voltage

VOUT

3.20

3.30

3.40

0 mA < IOUT < 50 mA

Line Regulation

ΔVOUT1

—

IOUT = 1 mA,

6.0V < VBB < 18V

Load Regulation

ΔVOUT2

—

5 mA < IOUT < 50 mA

Refer to Section 1.6

“Internal Voltage

Regulator”

Quiescent Current

IVRQ

—

µA

IOUT = 0 mA, (Note 2)

Power Supply Ripple

Reject

PSRR

—

1 VPP @10-20 kHz

CLOAD = 10 µf,

ILOAD = 50 mA

Output Noise Voltage

—

100

µVRMS

√Hz

10 Hz – 40 MHz

CFILTER = 10 µf, CBP =

0.1 µf CLOAD = 10 µf,

ILOAD = 50 mA

Shutdown Voltage

VSD

2.5

—

2.7

See Figure 1-5

Input Voltage to Maintain

Regulation

VBB

6.0

—

18.0

Input Voltage to Turn Off

Output

VOFF

4.0

—

4.5

Input Voltage to Turn On

Output

VON

5.5

—

6.0

Note 1:

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

Ω, TX = 0.4 VREG, VLBUS = VBB).

For design guidance only, not tested.

Node has to sustain the current that can flow under this condition; bus must be operational under this

condition.

Temperature (°C)

18V DFN

18V SOIC

12V SOIC

12V DFN

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