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Product Overview
The TPS70248PWP from Texas Instruments is a dual-output low-dropout (LDO) voltage regulator designed for applications requiring two independent regulated voltages. Housed in a 20-pin HTSSOP package (PowerPAD™), it delivers up to 500 mA per output with excellent line and load regulation. The device features a 3.3V fixed output and a 2.5V adjustable output, making it ideal for mixed-voltage systems.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage (VOUT1) |
3.3V fixed |
| Output Voltage (VOUT2) |
2.5V adjustable (1.22V to 5.5V) |
| Output Current per Channel |
500 mA |
| Dropout Voltage (typical) |
350 mV at 500 mA |
| Input Voltage Range |
2.7V to 6.0V |
| Line Regulation |
0.05% / V |
| Load Regulation |
0.5% / A |
| PSRR (1 kHz) |
60 dB |
| Quiescent Current |
185 µA per channel |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-HTSSOP (PowerPAD) |
Key Features
- Dual independent LDO outputs with low dropout voltage
- One fixed 3.3V output and one adjustable output (1.22V to 5.5V)
- High output accuracy: ±2% over temperature
- Low quiescent current: 185 µA per channel
- Fast transient response
- Built-in overcurrent and thermal shutdown protection
- PowerPAD package for enhanced thermal dissipation
- Enable pins for each output
Target Applications
- 5G base station power management (e.g., supplying 3.3V to FPGA core and 2.5V to I/O)
- Automotive dashboard systems (e.g., powering infotainment processor and display)
- Industrial sensor modules (e.g., dual-voltage supply for microcontroller and analog front-end)
- Portable medical devices (e.g., battery-powered patient monitors)
- Networking equipment (e.g., routers and switches requiring multiple low-noise rails)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS70248PWP. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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testing samples and urgent shortage components.
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with full quality assurance and traceability.
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be authentic with strict quality control.
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environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
TPS70248PWP 是德州儀器 (TI) 推出的雙路輸出低壓差 (LDO) 穩壓器,適用於需要兩路獨立穩壓電壓的應用。器件採用 20 引腳 HTSSOP 封裝 (PowerPAD™),每路輸出可提供高達 500 mA 的電流,具有優異的線性和負載調整率。該器件提供 3.3V 固定輸出和 2.5V 可調輸出,非常適合混合電壓系統。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 (VOUT1) |
3.3V 固定 |
| 輸出電壓 (VOUT2) |
2.5V 可調 (1.22V 至 5.5V) |
| 每路輸出電流 |
500 mA |
| 典型壓差電壓 |
350 mV (500 mA 時) |
| 輸入電壓範圍 |
2.7V 至 6.0V |
| 線性調整率 |
0.05% / V |
| 負載調整率 |
0.5% / A |
| 電源抑制比 (1 kHz) |
60 dB |
| 靜態電流 |
每路 185 µA |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
20-HTSSOP (PowerPAD) |
核心特性
- 雙路獨立 LDO 輸出,低壓差
- 一路固定 3.3V 輸出,一路可調輸出 (1.22V 至 5.5V)
- 高輸出精度:全溫度範圍 ±2%
- 低靜態電流:每路 185 µA
- 快速瞬態響應
- 內置過流和熱關斷保護
- PowerPAD 封裝增強散熱
- 每路輸出獨立使能引腳
典型應用場景
- 5G 基站電源管理(例如為 FPGA 內核提供 3.3V,為 I/O 提供 2.5V)
- 汽車儀表板系統(例如為信息娛樂處理器和顯示屏供電)
- 工業傳感器模塊(例如為微控制器和模擬前端提供雙電壓)
- 便攜式醫療設備(例如電池供電的病人監護儀)
- 網絡設備(例如需要多路低噪聲電源的路由器和交換機)
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