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Product Overview
The TPS7A3001DGNT from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed for applications requiring low noise, high PSRR, and excellent transient response. It delivers up to 1.5A of output current with an adjustable output voltage from 1.24V to 20V. The device operates over a wide input voltage range of 2.7V to 20V and features a low dropout voltage of typically 300mV at full load. Housed in a compact 8-HVSSOP package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Output Current |
1.5A |
| Input Voltage Range |
2.7V to 20V |
| Output Voltage Range |
1.24V to 20V (Adjustable) |
| Dropout Voltage (Typical) |
300mV at 1.5A |
| PSRR |
68dB at 1kHz |
| Output Noise |
12µVrms (10Hz to 100kHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
8-HVSSOP |
Key Features
- Low dropout voltage: 300mV typical at 1.5A
- High PSRR: 68dB at 1kHz
- Low output noise: 12µVrms
- Adjustable output voltage from 1.24V to 20V
- Stable with ceramic output capacitors
- Built-in current limit and thermal shutdown protection
- Enable pin for power sequencing
Target Applications
- 5G base station power supplies (e.g., for RF transceivers)
- Automotive dashboard displays and infotainment systems
- Industrial sensor modules and data acquisition systems
- Medical imaging equipment (e.g., ultrasound systems)
- Test and measurement instruments
Global Supply Chain & Wholesale Solutions
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and seals to ensure ESD protection and physical integrity.
產品概述
TPS7A3001DGNT 是德州儀器推出的一款高性能低壓差線性穩壓器,專為需要低噪聲、高電源抑制比和出色瞬態響應的應用而設計。它可提供高達 1.5A 的輸出電流,輸出電壓可調範圍為 1.24V 至 20V。該器件的工作輸入電壓範圍為 2.7V 至 20V,滿載時典型壓差電壓僅為 300mV。採用緊湊的 8-HVSSOP 封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸出電流 |
1.5A |
| 輸入電壓範圍 |
2.7V 至 20V |
| 輸出電壓範圍 |
1.24V 至 20V(可調) |
| 壓差電壓(典型值) |
300mV @ 1.5A |
| 電源抑制比 |
68dB @ 1kHz |
| 輸出噪聲 |
12µVrms(10Hz 至 100kHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
8-HVSSOP |
核心特性
- 低壓差:1.5A 時典型值 300mV
- 高電源抑制比:1kHz 時 68dB
- 低輸出噪聲:12µVrms
- 可調輸出電壓:1.24V 至 20V
- 可使用陶瓷輸出電容器穩定工作
- 內置電流限制和熱關斷保護
- 使能引腳用於電源排序
典型應用場景
- 5G 基站電源(例如射頻收發器)
- 汽車儀表板顯示和信息娛樂系統
- 工業傳感器模塊和數據採集系統
- 醫療成像設備(例如超聲系統)
- 測試和測量儀器
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