A4491EESTR-T

Manufacturer :

Allegro MicroSystems

Product Category :

Voltage Regulators - DC DC Switching Regulators

Moisture Sensitivity Level (MSL) :

2 (1 Year)

Function :

Step-Down

Published :

2011

Topology :

Buck

Output Configuration :

Positive

Input Voltage-Nom :

12V

ECCN Code :

EAR99

Max Output Voltage :

20.7V

Output Current :

2.2A

Min Output Voltage :

800mV

Package / Case :

20-WFQFN Exposed Pad

Voltage - Input (Min) :

4.5V

Number of Terminations :

20

Terminal Pitch :

0.5mm

Control Mode :

CURRENT-MODE

RoHS Status :

ROHS3 Compliant

Terminal Position :

QUAD

JESD-609 Code :

e3

Width :

4mm

Output Voltage :

800mV

Output Type :

Adjustable

Synchronous Rectifier :

No

Number of Outputs :

3

Analog IC - Other Type :

SWITCHING REGULATOR

Number of Pins :

20

Height Seated (Max) :

0.8mm

Terminal Finish :

Matte Tin (Sn)

Operating Temperature :

-40°C~85°C TA

Voltage - Input (Max) :

23V

Peak Reflow Temperature (Cel) :

260

Base Part Number :

A4491

Length :

4mm

Pbfree Code :

yes

Time@Peak Reflow Temperature-Max (s) :

40

Factory Lead Time :

8 Weeks

Packaging :

Tape and Reel (TR)

Frequency - Switching :

550kHz

Mount :

Surface Mount

Mounting Type :

Surface Mount

Voltage - Output (Min/Fixed) :

0.8V