MIC69301 datasheet(5/26 Pages) MICROCHIP

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2021 Microchip Technology Inc. and its subsidiaries

DS20006625A-page 5

MIC69301/2/3

Reference (Adjustable)

Feedback Reference Voltage

(ADJ Pin)

—

0.490

0.5

0.510

±2.0%

Feedback Bias Current

—

0.25

1.0

µA

VADJ = 0.5V

Current Limit

ILIM

3.3

5.2

—

VOUT = 0V

Power Dropout Voltage

Dropout Voltage (Note 4)

VIN –

VOUT

—

200

300

IOUT = 1.5A

—

275

500

IOUT = 3A

Enable Input

Enable Input Threshold

—

0.8

0.57

—

Regulator Enabled

—

0.2

Regulator Shut Down

Enable Pin Bias Current

—

0.0

—

µA

VEN ≤ 0.2V (Regulator Shutdown)

—

7.0

—

VEN ≥ 0.8V (Regulator Enabled)

Turn-On Time

tON

—

150

µs

90% of typical VOUT; VEN = VIN

Fault Output

Fault Threshold Voltage

—

7.5

% of VOUT below nominal output

(VOUT Falling)

Fault Hysteresis

—

2.0

—

Fault Output Low Voltage

—

150

—

IFLG = 250 μA (sinking), VEN = 0V

Fault Leakage Current

—

0.05

—

µA

VFLG = 5.0V; VEN = 0V

Thermal Protection

Overtemperature Shutdown

—

165

—

°C

TJ rising

Overtemperature Shutdown

Hysteresis

—

°C

—

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: TA = +25°C with VIN = VOUT + 1V; bold values indicate –40°C < TJ < +125°C;

IOUT = 10 mA; COUT = 10 µF ceramic, unless noted. Note 1

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1: Specification for packaged product only.

2: VR is the nominal regulator output voltage when the input voltage is VIN = VOUT + 1V or VIN = 1.65V

(whichever is greater).

3: Minimum input for line regulation test is set to VOUT + 1V relative to the highest output voltage.

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

its nominal value measured at 1V differential. For outputs below 1.65V, dropout voltage is considered the

input-to-output voltage differential with the minimum input voltage of 1.65V. Minimum input operating volt-

age is 1.65V.

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