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SI-3011ZF Schematic ( PDF Datasheet ) - Allegro MicroSystems

Teilenummer SI-3011ZF
Beschreibung High-Current / Low-Dropoiut / 1.1 - 5V Regulator
Hersteller Allegro MicroSystems
Logo Allegro MicroSystems Logo 




Gesamt 8 Seiten
SI-3011ZF Datasheet, Funktion
( DataSheet : www.DataSheet4U.com )
LRinegeuarlators
SI-3011ZF
High-Current, Low-Dropout, 1.1~5 V Regulator
ABSOLUTE MAXIMUM RATINGS
Input Voltage, VI . . . . . . . . . . . . . 10 V
Output Current, IO . . . . . . . . . . . . . 3 A*
Enable Input Voltage, VE . . . . . . . . 6 V
Junction Temperature, TJ . . . . +125°C
Storage Temperature Range,
TS . . . . . . . . . . . . -40°C to +125°C
* Output current rating is limited by input
voltage, duty cycle, and ambient tempera-
ture. Under any set of conditions, do not
exceed a junction temperature of +125°C.
Designed to meet the high-current requirements in industrial and
consumer applications; embedded core, memory, or logic supplies; TVs,
VCRs, and office equipment, the SI-3011ZF voltage regulator offers the
reduced dropout voltage and low quiescent current essential for im-
proved efficiency. This device delivers a regulated output at up to 3 A.
Integrated thermal and overcurrent protection enhance overall system
reliability. Devices with fixed output voltages of 2.5 V or 3.3 V are also
available.
Quiescent current does not increase significantly as the dropout
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 700 mV at 3 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.
This device is supplied in a fully molded TO-220-style 5-lead
flange-mounted , high power, isolated plastic package. A similar device
in a lower-power surface-mount plastic package is the SI-3011ZD.
FEATURES
3 A Output Current
0.7 V Maximum Dropout Voltage at IO = 3 A
1 µA Maximum Standby Current
Adjustable 1.1 ~ 5 V Output Voltage
Remote Voltage Sensing
Foldback Current Limiting
Thermal Protection
APPLICATIONS
TVs, VCRs, Electronic Games
Embedded Core, Memory, or Logic Supplies
Printers and Other Office Equipment
Industrial Machinery
Secondary-Side Stabilization of Multi-Output SMPS
Always order by complete part number, e.g., SI-3011ZF .
www.DataSheet4U.com
Sanken Power Devices
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SI-3011ZF Datasheet, Funktion
SI-3011ZF
High-Current,
Low-Dropout,
1.1~5 V Regulator
Dimensions in Millimeters
LRinegeuarlators
Terminal Finish: Sn–3Ag–0.5Cu, 2nd level interconnect category (e1)
Product Weight: Approx. 2.3 g
Terminal spacing is measured at lead tips.
115 Northeast Cutoff, Box 15036
6 Worcester, Massachusetts 01615-0036

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