TL1464

ACTIVO

Circuito de control cuádruple de modulación por duración de pulsos

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document-pdfAcrobat Quad Pulse-Width-Modulation Control Circuit datasheet (Inglés)

TL1464

ACTIVO

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LQFP (PT)

48

81 mm² (9 mm × 9 mm)

High-Speed Drive Controller for PNP Power Transistor
Internal-Regulator Provides a Stable 1.5 V Reference Supply
Low Start-Up Voltage 3.1 V
Internal Short-Circuit Protection
Internal Undervoltage Lockout Protection
Internal Shut-Down Circuit by Channel
Controllable Base Current of External Transistor

High-Speed Drive Controller for PNP Power Transistor
Internal-Regulator Provides a Stable 1.5 V Reference Supply
Low Start-Up Voltage 3.1 V
Internal Short-Circuit Protection
Internal Undervoltage Lockout Protection
Internal Shut-Down Circuit by Channel
Controllable Base Current of External Transistor

The TL1464I incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the TL1464I contains an on-chip 1.5 V regulator, four error amplifiers, an oscillator, two dead-time comparators, undervoltage lockout circuitry, short circuit protection, standby control circuitry, and output circuits.

The external speed-up capacitors provide exceptional rise and fall time performance for the PNP power transistor.

The TL1464I operates from 3.1 V supply voltage and 2 pair of four-outputs (CH-1/CH-3, CH-2/CH-4 the same period) at the inverse phase of each other. As a result, the TL1464I provides high-efficiency power supply.

The TL1464I incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the TL1464I contains an on-chip 1.5 V regulator, four error amplifiers, an oscillator, two dead-time comparators, undervoltage lockout circuitry, short circuit protection, standby control circuitry, and output circuits.

The external speed-up capacitors provide exceptional rise and fall time performance for the PNP power transistor.

The TL1464I operates from 3.1 V supply voltage and 2 pair of four-outputs (CH-1/CH-3, CH-2/CH-4 the same period) at the inverse phase of each other. As a result, the TL1464I provides high-efficiency power supply.

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