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TL3842P Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TL3842PTI490Yes

TL3842P is a current-mode PWM controller manufactured by Texas Instruments (TI).

The TL3842P is a current-mode PWM controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:

Specifications:

  • Input Voltage Range (VCC): 8V to 30V
  • Operating Frequency: Up to 500kHz
  • Output Duty Cycle: 0% to 100%
  • Reference Voltage (VREF): 5V ±1%
  • Maximum Output Current (Gate Drive): 1A (peak)
  • Quiescent Current: 15mA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: 8-Pin PDIP (Plastic Dual In-Line Package)

Descriptions:

The TL3842P is a high-performance fixed-frequency current-mode PWM controller designed for DC-DC converter applications. It provides precise control for power supplies with features like under-voltage lockout (UVLO), cycle-by-cycle current limiting, and a trimmed oscillator for accurate frequency control.

Features:

  • Current-Mode Control: Improves loop response and simplifies compensation.
  • Under-Voltage Lockout (UVLO): Ensures proper operation within the specified voltage range.
  • Trimmed Oscillator: Provides accurate frequency control with external timing components.
  • High-Current Totem-Pole Output: Directly drives power MOSFETs.
  • Soft-Start Capability: Reduces inrush current during startup.
  • Error Amplifier: Features wide bandwidth for improved transient response.
  • Pulse-by-Pulse Current Limiting: Enhances system reliability.

The TL3842P is commonly used in offline and DC-DC power supplies, battery chargers, and other power conversion applications.

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