MIC4600 datasheet(3/26 Pages) MICROCHIP

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 2016 Microchip Technology Inc.

DS20005584A-page 3

MIC4600

1.0

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings †

VIN to PGND .............................................................................................................................................. –0.3V to +29V

VDD to PGND ............................................................................................................................................... –0.3V to +6V

VSW to PGND................................................................................................................................... –0.3V to (VIN +0.3V)

VBST to VSW ................................................................................................................................................. –0.3V to +6V

VBST to PGND............................................................................................................................................ –0.3V to +34V

VHSI, VLSI to PGND ......................................................................................................................... –0.3V to (VDD +0.3V)

VFAULT to AGND........................................................................................................................................... –0.3V to +6V

VEN to PGND ................................................................................................................................... –0.3V to (VIN +0.3V)

PGND to AGND......................................................................................................................................... –0.3V to +0.3V

ESD Protection On All Pins ......................................................................................................... ±2 kV HBM, ±200V MM

Operating Ratings ††

Supply Voltage, VIN.................................................................................................................................... +4.5V to +28V

VDD Supply Voltage, VDD ......................................................................................................................... +4.5V to +5.5V

Enable Input, VEN............................................................................................................................................... 0V to VIN

Maximum Power Dissipation................................................................................................................................ (Note 1)

† Notice:

Exceeding the absolute maximum ratings may damage the device.

†† Notice:

The device is not guaranteed to function outside its operating ratings.

Note 1:

Specification for packaged product only.

DC CHARACTERISTICS

Electrical Characteristics:

Unless otherwise indicated, VIN = VEN = 12V, VBST – VSW = 5V; TA = 25°C,

CVIN = CVDD = 1 μF. Bold values indicate –40°C ≤ TJ ≤ +125°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Power Supply Input

Input Voltage Range (VIN)

4.5

—

Quiescent Supply Current

—

450

750

μA

HSI = VDD, LSI = 0V,

RDELAY = 124 kΩ,

non-switching

Shutdown Supply Current

—

920

μAVEN = 0V

VDD Supply Voltage

VDD Output Voltage

4.8

5.4

VIN = 7V to 26V, IDD = 25 mA

VDD UVLO Threshold

3.6

4.2

4.3

VDD Rising

VDD UVLO Hysteresis

—

400

—

Dropout Voltage

(VIN – VDD)

—

380

—

IDD = 25 mA, VIN= 5V

VDD Load Regulation

—

1.23

—

IDD = 0 to 25 mA

Enable Control

EN Logic Threshold

0.65

1.25

1.4

Rising

EN Hysteresis

—

EN Input Bias Current

——

μAVEN = 12V

Note 1:

Specified for packaged product only.

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