Linear Technology/Analog Devices LTC3891IFE#PBF

Lifecycle Status

PRODUCTION (Last Updated: 1 week ago)

Factory Lead Time

8 Weeks

Mounting Type

Surface Mount

Package / Case

20-TSSOP (0.173, 4.40mm Width) Exposed Pad

Surface Mount

having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

YES

Number of Pins

20

Operating Temperature

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

-40°C~125°C TJ

Packaging

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

Tube

Published

2011

JESD-609 Code

e3

Part Status

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

Active

Moisture Sensitivity Level (MSL)

1 (Unlimited)

Number of Terminations

20

ECCN Code

EAR99

Terminal Finish

Matte Tin (Sn)

Additional Feature

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

ALSO OPERATES IN ADJUSTABLE MODE FROM 0.80V TO 24V

Terminal Position

DUAL

Terminal Form

Occurring at or forming the end of a series, succession, or the like; closing; concluding.

GULL WING

Peak Reflow Temperature (Cel)

225

Terminal Pitch

The center distance from one pole to the next.

0.65mm

Base Part Number

LTC3891

Function

Step-Down

Number of Outputs

1

Output Voltage

24V

Output Type

Transistor Driver

Input Voltage-Nom

12V

Analog IC - Other Type

SWITCHING CONTROLLER

Output Configuration

Positive

Output Current

The rated output current is the maximum load current that a power supply can provide at a specified ambient temperature. A power supply can never provide more current that it's rated output current unless there is a fault, such as short circuit at the load.

5A

Voltage - Supply (Vcc/Vdd)

4V~60V

Control Features

Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking

Input Voltage (Min)

4V

Topology

Buck

Control Mode

CURRENT-MODE

Frequency - Switching

105kHz~835kHz 350kHz~535kHz

Input Voltage (Max)

60V

Control Technique

PULSE WIDTH MODULATION

Synchronous Rectifier

Synchronous rectification is a technique for improving the efficiency of rectification by replacing diodes with actively controlled switches, usually power MOSFETs or power bipolar junction transistors (BJT).

Yes

Switcher Configuration

PUSH-PULL

Max Frequency

835kHz

Duty Cycle (Max)

99%

Clock Sync

Clock synchronization is a topic in computer science and engineering that aims to coordinate otherwise independent clocks. Even when initially set accurately, real clocks will differ after some amount of time due to clock drift, caused by clocks counting time at slightly different rates.

No

Length

6.5mm

Width

4.5mm

RoHS Status

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

ROHS3 Compliant