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Product Overview
The TLV1117IKVURG3 from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed for applications requiring up to 800mA output current. It features an adjustable output voltage range from 1.25V to 15V, with a typical dropout voltage of 1.2V at full load. The device is housed in a TO-252-3 (DPAK) package, offering excellent thermal performance for power management in space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current (Max) |
800 mA |
| Output Voltage Range |
1.25 V to 15 V (Adjustable) |
| Dropout Voltage (Typ) |
1.2 V @ 800 mA |
| Line Regulation |
0.2% (Typ) |
| Load Regulation |
0.4% (Typ) |
| Quiescent Current |
5 mA (Typ) |
| PSRR |
75 dB @ 120 Hz |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-252-3 (DPAK) |
Key Features
- Adjustable output voltage from 1.25V to 15V
- Output current up to 800mA
- Low dropout voltage: 1.2V typical at 800mA
- Built-in current limit and thermal shutdown protection
- Stable with low ESR output capacitors (10µF tantalum recommended)
- Wide operating temperature range: -40°C to +125°C
Target Applications
- 5G base station power management (e.g., supplying 3.3V to FPGA core)
- Automotive dashboard infotainment systems (e.g., powering audio codec)
- Industrial sensor modules (e.g., 5V to 3.3V conversion for MCU)
- Telecommunications equipment (e.g., line card voltage regulation)
- Portable battery-powered devices (e.g., handheld terminals)
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產品概述
TLV1117IKVURG3 是德州儀器(TI)推出的一款低壓差線性穩壓器(LDO),最大輸出電流為 800mA。其輸出電壓可調,範圍為 1.25V 至 15V,在滿載時典型壓差為 1.2V。器件採用 TO-252-3(DPAK)封裝,具有優異的熱性能,適用於空間受限的電源管理設計。
詳細技術參數
| 參數 |
數值 |
| 最大輸出電流 |
800 mA |
| 輸出電壓範圍 |
1.25 V 至 15 V(可調) |
| 典型壓差 |
1.2 V @ 800 mA |
| 線性調整率 |
0.2%(典型) |
| 負載調整率 |
0.4%(典型) |
| 靜態電流 |
5 mA(典型) |
| 電源抑制比 |
75 dB @ 120 Hz |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
TO-252-3(DPAK) |
核心特性
- 可調輸出電壓:1.25V 至 15V
- 輸出電流高達 800mA
- 低壓差:典型 1.2V @ 800mA
- 內置限流和熱關斷保護
- 可使用低 ESR 輸出電容(建議 10µF 鉭電容)
- 寬工作溫度範圍:-40°C 至 +125°C
典型應用場景
- 5G 基站電源管理(例如為 FPGA 內核提供 3.3V)
- 汽車儀表盤信息娛樂系統(例如為音頻編解碼器供電)
- 工業傳感器模塊(例如 5V 轉 3.3V 為 MCU 供電)
- 電信設備(例如線路卡電壓調節)
- 便攜式電池供電設備(例如手持終端)
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