si-3002kwf Allegro MicroSystems, Inc., si-3002kwf Datasheet

si-3002kwf

Manufacturer Part Number

si-3002kwf

Description

1 A, Low-dropout, Dual Output, 2.5 V & 3.3 V Regulator

Manufacturer

Allegro MicroSystems, Inc.

Datasheet

1.SI-3002KWF.pdf (9 pages)

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Input Voltage, V

Output Current, I

Enable Input Voltage, V

Junction Temperature, T

Storage Temperature Range,

* Output current rating is limited by input

ABSOLUTE MAXIMUM RATINGS

voltage, duty cycle, and ambient tempera-

ture. Under any set of conditions, do not

exceed a junction temperature of +125°C.

. . . . . . . . . . . . -40°C to +125°C

1 A, Low-Dropout, Dual Output, 2.5 V & 3.3 V Regulator

. . . . . . . . . . . . .

. . . . . . . . . . . . . 1 A*

. . . . . . . 6.0 V

. . . . +125°C

18 V

SI-3002KWF

consumer applications; embedded core, memory, or logic supplies; TVs,

VCRs, and office equipment, the SI-3002KWF voltage regulator offers

the reduced dropout voltage and low quiescent current essential for

improved efficiency. This device delivers dual regulated outputs at up to

1 A. Integrated thermal and overcurrent protection enhance overall

system reliability. Devices with other output voltages are also available.

voltage is approached, an ideal feature in standby/resume power systems

where data integrity is crucial. Regulator accuracy and excellent

temperature characteristics are provided by a bandgap reference. An

LS-TTL/CMOS-compatible input gives the designer complete control

over power up, standby, or power down. A pnp pass element provides a

dropout voltage of less than 600 mV at 1 A of load current. Low output

voltages eliminate the need for expensive PWM buck converters. The

low dropout voltage permits more efficient regulation before output

regulation is lost.

flange-mounted , high power, isolated plastic package. Similar devices

in a lower-power surface-mount plastic package are the SI-3002KWD

and SI-3002KWM.

FEATURES

APPLICATIONS

Always order by complete part number, e.g., SI-3002KWF ,

from Allegro MicroSystems

Sanken Power Devices

1 A Output Current per Channel

0.6 V Maximum Dropout Voltage at I

Fast Transient Response

1.5 mA Maximum Standby Current

Foldback Current Limiting

Thermal Protection

TVs, VCRs, Electronic Games

Embedded Core, Memory, or Logic Supplies

Printers and Other Office Equipment

Industrial Machinery

Secondary-Side Stabilization of Multi-Output SMPS

Designed to meet the high-current requirements in industrial and

Quiescent current does not increase significantly as the dropout

This device is supplied in a fully molded TO-220-style 5-lead

= 1 A

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