MIC2582 datasheet(4/32 Pages) MICROCHIP

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MIC2582/3

DS20006573A-page 4



2021 Microchip Technology Inc.

Current-Limit/Overcurrent

Timer (CFILTER) Current

(MIC2583/83R)

ITIMER

–8.5

–6.5

–4.5

µA

VCC − VSENSE > VTRIPSLOW (timer on)

4.5

6.5

8.5

VCC − VSENSE > VTRIPSLOW (timer off)

Power-on-Reset Timer

Current

ICPOR

–3.5

2.5

–1.5

µA

Timer on

0.5

1.3

—

Timer off

POR Delay and

Overcurrent Timer

(CFILTER) Threshold

VTH

1.19

1.245

1.30

VCPOR rising

VCFILTER rising (MIC2583/83R only)

Undervoltage Lockout

Threshold

VUV

2.1

2.2

2.3

VCC rising

1.90

2.05

2.20

VCC falling

Undervoltage Lockout

Hysteresis

VUVHYS

—

150

—

ON Pin Threshold Voltage

VON

1.19

1.24

1.29

2.3V ≤ VCC ≤ 13.2V

ON rising

1.14

1.19

1.24

ON falling

ON Pin Hysteresis

VONHYS

—

ON Pin Threshold Line

Regulation

ΔVON

—

2.3V ≤ VCC ≤ 13.2V

ON Pin Input Current

ION

—

–0.5

µA

VON = VCC

Start-Up Delay Timer

Threshold

VSTART

0.26

0.31

0.36

VCPOR rising

Auto-Restart Threshold

Voltage

(MIC2583R only)

VAUTO

0.19

1.24

1.30

Upper threshold

0.26

0.31

0.36

Lower threshold

Auto-Restart Current

(MIC2583R only)

IAUTO

µA

Charge current

—

1.4

Discharge current

Power Good Threshold

Voltage

VFB

1.19

1.24

1.29

2.3V = VCC = 13.2V

FB rising

1.15

1.20

1.25

FB falling

FB Hysteresis

VFBHYS

—

FB Pin Leakage Current

IFBLKG

—

1.5

µA

2.3V = VCC = 13.2V, VFB = 1.3V

/POR, /FAULT, PWRGD

Output Voltage

VOL

—

0.4

(/FAULT, PWRGD MIC2583/83R only),

IOUT = 1 mA

Output Discharge

Resistance

(MIC2583/83R only)

RDIS

—

500

1000

—

Fast Overcurrent SENSE

to GATE Low Trip Time

tOCFAST

—

µs

VCC = 5V, VCC − VSENSE = 100 mV

CGATE = 10 nF, Figure 1-1

Slow Overcurrent SENSE

to GATE Low Trip Time

tOCSLOW

—

µs

VCC = 5V, VCC − VSENSE = 50 mV

CFILTER = 0, Figure 1-1

ON Delay Filter

tONDLY

—

µs

—

FB Delay Filter

tFBDLY

—

µs

—

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: VCC = 5.0V; TA = +25°C, bold values valid for –40°C ≤ TA ≤ +85°C, unless noted. Note 1

Parameter

Symbol

Min.

Typ.

Max.

Units

Conditions

Note 1: Specification for packaged product only.

2: Not a tested parameter. Ensured by design.

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