MIC2545A Ver la hoja de datos (PDF) - Micrel

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componentes Descripción

Fabricante

MIC2545A

Programmable Current-Limit High-Side Switch

Micrel 

Micrel, Inc.

Electrical Characteristics(4) (Continued)

VIN = +5V; TA = 25°C, bold values indicate –40°C to +85°C, unless noted.

Symbol Parameter

Condition

tF

Output Turn-Off Fall Time

RL = 10Ω, CL = 1µF, Figures 1a, 1b

Overtemperature Threshold

Shutdown

TJ Increasing

TJ Decreasing

Error Flag Off Current

VFLG = 5V

EN Pulse Reset Width

MIC2549A Thermal-Shutdown Latch(7)

tSU

VIN to EN Set-Up

MIC2549(7), Figure 1c

Current-Limit Response Time

VOUT = 0V to IOUT = 2A, ISET = 1A(7)

VOL

Error Flag Output Resistance

IFLG = 10mA

Test Circuit

MIC2545A/2549A

Min.

1

0

Typ.

23

135

120

0.01

40

4

Max.

1

15

Units

µs

°C

µA

µs

µs

µs

Ω

Functional Characteristics Test Circuit

June 2011

5

M9999-062711-A

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