MIC23156 datasheet(4/32 Pages) MICROCHIP

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MIC23156

DS20005919A-page 4

 2017 Microchip Technology Inc.

TABLE 1-1:

ELECTRICAL CHARACTERISTICS(1)

Electrical Specifications:

unless otherwise specified, TA = +25°C; AVIN = PVIN = VEN = VVI2C = 3.6V; L = 1.0 µH; COUT = 2.2

µF. Boldface values indicate –40°C

 TJ  +125°C.

Symbol

Parameter

Min.

Typ.

Max.

Units

Test Conditions

VIN

Supply Input Voltage Range

2.7

—

5.5

V—

ENLOW

Enable Logic Pin Low Threshold

—

0.5

Logic low

ENHIGH

Enable Logic Pin High Threshold

1.2

—

Logic high

IVSEL_LO

VSEL Logic Pin Low Threshold

—

0.3 x VI2C

Logic low

IVSEL_HI

VSEL Logic Pin High Threshold

0.7 x VI2C

—

Logic high

IEN

Logic Pin Input Current

—

0.1

µA

Pins: EN and VSEL

UVLO

Undervoltage Lockout

Threshold

2.45

2.55

2.65

Rising

UVLO_HYS

Undervoltage Lockout

Hysteresis

—

Falling

TSHD

Shutdown Temperature

(Threshold)

—160

—

°C

—

TSHD_HYST

Shutdown Temperature

Hysteresis

—20

—

°C

—

ISHDN

Shutdown Supply Current

—

0.1

µA

VEN = 0V

DC-to-DC Converter

VOUT

Output Voltage Accuracy

–1.5

—

+1.5

VOUT = 1V, IOUT = 10 mA

Quiescent Supply Current

—

µA

IOUT = 0 mA,

VFB > 1.2 * VOUT

VOUT

Output Voltage Range

0.7

—

2.4

VOUT/VOUT

Output Voltage Line Regulation

—

0.02

—

%/V

3.0V < VAVIN < 4.5V,

ILOAD = 10 mA

VOUT/VOUT

Output Voltage Load Regulation

—

0.04

—

20 mA < IOUT < 1A

RSWON

Switch-On Resistance

—0.17

—

Ω

ISW = +100 mA, high-side

switch PMOS (QFN)

—0.15

—

ISW = +100 mA, high-side

switch PMOS (WLCSP)

—0.15

—

ISW = –100 mA, low-side

switch NMOS (QFN)

—0.13

—

ISW = –100 mA, low-side

switch NMOS (WLCSP)

ILIM

Current Limit (DC Value)

1.7

2.9

5.1

VOUT = 1V

fSW

Oscillator Switching Frequency

—

MHz

—

DMAX

Maximum Duty Cycle

—

Frequency = 3 MHz

—

DVS Step-Size

—

tSS

Soft Start Time

—

250

—

µs

VOUT = 90%,

CSS = 120 pF

Note 1:

Specifications are for packaged product only.

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