TL1464
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- 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.
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| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | Quad Pulse-Width-Modulation Control Circuit datasheet | 2000/2/16 |