MCP19116-ESLASHMJ datasheet(23/246 Pages) MICROCHIP

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DS20005479B-page 23

MCP19116/7

Line Regulation

VDD-OUT/

(VDD-OUT * VIN)

–0.1

0.002

0.1

%/V

(VDD +1.0V)  VIN  20V

(Note 2)

Load Regulation

VDD-OUT/

VDD-OUT

–1.0

0.1

1.0

%IDD_OUT =1 mA to 20 mA

(Note 2)

Output Short-Circuit

Current

IDD_SC

—50

—

VIN =(VDD +1.0V)

(Note 2)

Dropout Voltage

VIN –VDD

—0.3

0.5

VIDD_OUT =20 mA

(Notes 2 and 3)

Power Supply

Rejection Ratio

PSRRLDO

—60

—

 1000 Hz

IDD_OUT =25 mA

CIN =0 µF, CDD =1 µF

Linear Regulator AVDD

Internal Analog

Supply Voltage

AVDD

—4.096

—

AVDD Tolerance

AVDD_TOL

–2.5

±0.5

2.5

Trimmed at 25°C,

0°C to 125°C

–3.3

—

3.3

-40°C to 0°C

Band Gap Voltage

—

1.23

—

Trimmed at 1.0% tolerance

Band Gap Tolerance

BGTOL

–2.5

—

2.5

Input UVLO Voltage

UVLO Range

UVLOON

—

VVIN Falling

UVLOON Trip

Tolerance

UVLOTOL

–14

—

%VIN Falling

UVLO trip set to 9V

VINUVLO = 0x21h

UVLO Hysteresis

UVLOHYS

Hysteresis is based upon

the UVLOON setting

UVLO trip set to 9V

VINUVLO = 0x21h

Resolution

nbits

—

bits

Logarithmic Steps

UVLO Comparator

Input-to-Output Delay

—

µs

100 ns rise time to 1V

overdrive on VIN

VIN > UVLO to flag set

Input OVLO Voltage

OVLO Range

OVLOON

8.8

—

VVIN Rising

OVLOON Trip

Tolerance

OVLOTOL

–14

—

%VIN Rising

OVLO trip set to 18V

VINOVLO = 0x1Fh

4.2

Electrical Characteristics (Continued)

Electrical Specifications: Unless otherwise noted, VIN =12V, FSW =150 kHz, TA =+25°C. Boldface specifications

apply over the TA range of -40°C to +125°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1:

Refer to Section 16.0, Power-Down Mode (Sleep).

VDD is the voltage present at the VDD pin.

Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2%

below its nominal value measured at a 1V differential between VIN and VDD.

Ensured by design, not production tested.

These parameters are characterized, but not production tested.

The VDD LDO will limit the total source current to a maximum of 35 mA. Individually each pin can source a

maximum of 15 mA.

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