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TL3844BDR-8

Part No TL3844BDR-8
Manufacturer Texas Instruments
Catalog PMIC - AC DC Converters, Offline Switchers
Description IC REG CTRLR BST FLYBK PWM 8SOIC
Datasheet
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Reel - TR
Status Active
Topology Boost, Flyback, Forward
Voltage - Start Up 16V
Supply Voltage - Operating 10 V to 30 V
Duty Cycle 48%
Frequency - Switching Up to 500kHz
Control Features Frequency Control
Temperature Range - Operating 0°C to 70°C (TA)
Case / Package 8-SOIC
Mounting Surface Mount
Win Source Part Number 032383-TL3844BDR-8
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian TL3844BDR-8 CAD Model

Description

The TL3844BDR-8 is a versatile and efficient PWM (Pulse Width Modulation) controller IC from Texas Instruments, designed to cater to a wide range of power supply applications. This integrated circuit is part of the TL384x series, which is renowned for its reliability and performance in controlling switch-mode power supplies.

Key Features

  • Optimized for Off-line and DC-to-DC Converters: The TL3844BDR-8 is specifically designed to operate seamlessly in both off-line and DC-to-DC converter configurations, providing flexibility for designers.
  • Low Start-Up Current: With a start-up current of just 0.2mA, this IC ensures minimal power consumption during the initial phase, making it an energy-efficient choice for power supply designs.
  • Automatic Feed-Forward Compensation: The built-in feed-forward compensation improves the response to input voltage variations, ensuring a stable output under different conditions.
  • Pulse-by-Pulse Current Limiting: Enhanced protection is provided by the pulse-by-pulse current limiting feature, which safeguards the device and the power supply from overcurrent conditions.
  • Internal Error Amplifier: An integrated error amplifier enables precise output voltage regulation, critical for maintaining consistent performance.
  • Under-Voltage Lockout (UVLO): The UVLO feature ensures that the IC operates only when the input voltage is within the specified range, protecting the circuit from low-voltage scenarios.

Applications

The TL3844BDR-8 is ideal for a variety of applications, including:

  • Switching power supplies
  • Power converters
  • Battery chargers
  • DC-DC modules
  • LED drivers
  • Telecommunication equipment

Package and Availability

The device is available in an 8-pin SOIC package, which provides a compact footprint suitable for space-constrained applications. It is also characterized for operation from -40°C to 85°C, accommodating a wide range of temperature environments. Texas Instruments ensures availability and support for the TL3844BDR-8, making it a reliable choice for both new designs and existing power supply solutions.

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Pricing & Ordering

Quantity Unit Price Ext. Price
130+ $0.3975 $51.6750
310+ $0.3262 $101.1220
475+ $0.3160 $150.1000
655+ $0.3058 $200.2990
850+ $0.2956 $251.2600
1,135+ $0.2650 $300.7750
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 119,000 pieces
MOQ: 130 pcs
Order Increment : 1 pcs
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