MIC28303 datasheet(5/38 Pages) MICROCHIP

5 / 38 page

 2016 Microchip Technology Inc.

DS20005464A-page 5

MIC28303

Current-Limit Source Current

100

µA

VFB = 0.79V

Short-Circuit Source Current

VFB = 0V

Leakage

SW, BSTR Leakage Current

—

µA

—

Power Good

Power Good Threshold

Voltage

%VOUT Sweep VFB from low-to-high

Power Good Hysteresis

—

Sweep VFB from high-to-low

Power Good Delay Time

—

100

—

µs

Sweep VFB from low-to-high

Power Good Low Voltage

—

200

VFB < 90% x VNOM, IPG = 1 mA

Thermal Protection

Overtemperature Shutdown

—

160

—

°C

TJ rising

Overtemperature Shutdown

Hysteresis

—4

—

Output Characteristic

Output Voltage Ripple

—

IOUT = 3A

Line Regulation

—

0.36

—

PVIN = VIN = 7V to 50V, IOUT = 3A

Load Regulation

—

0.75

—

IOUT = 0A to 3A PVIN= VIN =12V

(MIC28303-1)

—0.05

—

IOUT = 0A to 3A PVIN= VIN =12V

(MIC28303-2)

Output Voltage Deviation from

Load Step

—400

—

IOUT from 0A to 3A at 5 A/µs

(MIC28303-1)

—500

—

IOUT from 3A to 0A at 5 A/µs

(MIC28303-1)

—400

—

IOUT from 0A to 3A at 5 A/µs

(MIC28303-2)

—500

—

IOUT from 3A to 0A at 5 A/µs

(MIC28303-2)

TABLE 1-1:

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics:

PVIN = VIN = 12V, VOUT = 5V, VBST – VSW = 5V; TA = 25°C, unless noted. Bold values

indicate –40°C ≤ TJ ≤ +125°C. (Note 1).

Parameters

Min.

Typ.

Max.

Units

Conditions

Note 1:

Specification for packaged product only.

MIC28303 Datasheet(PDF) 5 Page - Microchip Technology

MIC28303 Datasheet(HTML) 5 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

Datasheet Download

Link URL