TL3842P
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Texas Instruments TL3842P

Manufacturer No:
TL3842P
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC REG CTRLR BST FLYBK PWM 8-DIP
Delivery:
Payment:
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Product Introduction

Overview

The TL3842P, manufactured by Texas Instruments, is a high-performance, low-cost switch-mode power supply controller. This integrated circuit (IC) is designed for applications requiring efficient power conversion and regulation. It features a fixed-frequency PWM control scheme, making it suitable for various power supply designs. The TL3842P is targeted at engineers and designers in the electronics industry, particularly those involved in industrial, automotive, and consumer electronics applications. Its unique selling points include its robust performance, wide input voltage range, and integrated protection features.

Key Specifications

ParameterValueUnitNotes
Input Voltage Range3V to 40VV
Output Voltage Range2.5V to 36VV
Output Current200mAAMaximum
Switching Frequency500kHzHzMaximum
Duty Cycle97%%Maximum
Operating Temperature0°C to 70°C°C
PackagePDIP-810.16 x 6.60mm
CertificationRoHSCompliant

Key Features

  • Fixed-frequency PWM control for stable output voltage.
  • Integrated error amplifier and comparator for precise voltage feedback control.
  • Delayed start-up function to protect power switches and loads.
  • Built-in overload and short-circuit protection.
  • Adjustable switching frequency to suit various applications.

Applications

The TL3842P is widely used in switch-mode power supplies (SMPS) for industrial, automotive, and consumer electronics. Its ability to provide stable and efficient power conversion makes it ideal for applications such as AC-DC converters, DC-DC converters, and battery chargers. In industrial settings, it is used in power supplies for automation equipment, while in automotive applications, it is employed in vehicle power systems. Consumer electronics, including televisions and home appliances, also benefit from its reliable performance.

Q & A

What is the input voltage range of the TL3842P?

The input voltage range of the TL3842P is 3V to 40V.

What is the maximum output current of the TL3842P?

The maximum output current of the TL3842P is 200mA.

What is the switching frequency of the TL3842P?

The switching frequency of the TL3842P is up to 500kHz.

What type of package does the TL3842P come in?

The TL3842P is available in a PDIP-8 package.

Does the TL3842P support overload protection?

Yes, the TL3842P includes built-in overload and short-circuit protection.

What is the operating temperature range of the TL3842P?

The operating temperature range of the TL3842P is 0°C to 70°C.

Is the TL3842P RoHS compliant?

Yes, the TL3842P is RoHS compliant.

What is the maximum duty cycle of the TL3842P?

The maximum duty cycle of the TL3842P is 97%.

Can the TL3842P be used in automotive applications?

Yes, the TL3842P is suitable for automotive power systems.

What is the output voltage range of the TL3842P?

The output voltage range of the TL3842P is 2.5V to 36V.

Product Attributes

Output Type:Transistor Driver
Function:Step-Up, Step-Up/Step-Down
Output Configuration:Positive
Topology:Boost, Flyback, Forward
Number of Outputs:1
Output Phases:1
Voltage - Supply (Vcc/Vdd):10V ~ 30V
Frequency - Switching:Up to 500kHz
Duty Cycle (Max):97%
Synchronous Rectifier:No
Clock Sync:No
Serial Interfaces:- 
Control Features:Frequency Control
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Through Hole
Package / Case:8-DIP (0.300", 7.62mm)
Supplier Device Package:8-PDIP
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Similar Products

Part Number TL3842P TL3845P TL3843P TL3844P TL2842P TL3842BP TL3842D
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Obsolete
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Configuration Positive Positive Positive Positive Positive Positive Positive
Topology Boost, Flyback, Forward Boost, Flyback, Forward Converter Boost, Flyback, Forward Boost, Flyback, Forward Boost, Flyback, Forward Boost, Flyback, Forward Boost, Flyback, Forward
Number of Outputs 1 1 1 1 1 1 1
Output Phases 1 1 1 1 1 1 1
Voltage - Supply (Vcc/Vdd) 10V ~ 30V 7.6V ~ 30V 7.6V ~ 30V 10V ~ 30V 10V ~ 30V 10V ~ 30V 10V ~ 30V
Frequency - Switching Up to 500kHz 100kHz Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Duty Cycle (Max) 97% 48% 97% 48% 97% 96% 97%
Synchronous Rectifier No No No No No No No
Clock Sync No No No No No No No
Serial Interfaces - - - - - - -
Control Features Frequency Control Frequency Control Frequency Control Frequency Control Frequency Control Frequency Control Frequency Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) -40°C ~ 85°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Surface Mount
Package / Case 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 8-DIP (0.300", 7.62mm) 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-PDIP 8-PDIP 8-PDIP 8-PDIP 8-PDIP 8-PDIP 14-SOIC

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