STMicroelectronics UC3842BN

Lifecycle Status

ACTIVE (Last Updated: 7 months ago)

Factory Lead Time

14 Weeks

Mount

Through Hole

Mounting Type

Through Hole

Package / Case

8-DIP (0.300, 7.62mm)

Number of Pins

8

Weight

930.006106mg

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.

0°C~70°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

Tolerance

1%

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

8

ECCN Code

EAR99

Terminal Finish

Matte Tin (Sn) - annealed

Max Power Dissipation

The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.

1.25W

Terminal Position

DUAL

Terminal Pitch

The center distance from one pole to the next.

2.54mm

Frequency

250kHz

Base Part Number

UC3842

Function

Step-Up, Step-Up/Step-Down

Number of Outputs

1

Output Voltage

5.1V

Output Type

Transistor Driver

Input Voltage-Nom

15V

Analog IC - Other Type

SWITCHING CONTROLLER

Output Configuration

Positive

Power Dissipation

the process by which an electronic or electrical device produces heat (energy loss or waste) as an undesirable derivative of its primary action.

1.25W

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.

200mA

Voltage - Supply (Vcc/Vdd)

10V~30V

Max Supply Current

17mA

Quiescent Current

The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.

12mA

Control Features

Frequency Control

Topology

Boost, Flyback

Control Mode

CURRENT-MODE

Frequency - Switching

Up to 500kHz

Control Technique

PULSE WIDTH MODULATION

Reference Voltage

A voltage reference is an electronic device that ideally produces a fixed (constant) voltage irrespective of the loading on the device, power supply variations, temperature changes, and the passage of time. Voltage references are used in power supplies, analog-to-digital converters, digital-to-analog converters, and other measurement and control systems. Voltage references vary widely in performance; a regulator for a computer power supply may only hold its value to within a few percent of the nominal value, whereas laboratory voltage standards have precisions and stability measured in parts per million.

5V

Rise Time

In electronics, when describing a voltage or current step function, rise time is the time taken by a signal to change from a specified low value to a specified high value.

50ns

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).

No

Fall Time (Typ)

50 ns

Nominal Input Voltage

The actual voltage at which a circuit operates can vary from the nominal voltage within a range that permits satisfactory operation of equipment. The word “nominal” means “named”.

15V

Switcher Configuration

SINGLE

Max Duty Cycle

100 %

Duty Cycle (Max)

96%

Height

3.32mm

Length

10.92mm

Width

6.6mm

REACH SVHC

No SVHC

RoHS Status

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

ROHS3 Compliant

Lead Free

Lead Free