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Product Overview
The TPS70448PWP from Texas Instruments is a dual-output low-dropout (LDO) voltage regulator designed for applications requiring two independent regulated voltages. It provides a fixed 3.3V output at 1A and a fixed 2.5V output at 2A, with high accuracy and low dropout voltage. Housed in a 24-pin HTSSOP package with PowerPAD for enhanced thermal performance, this device is ideal for powering mixed-signal systems, FPGAs, and processors in industrial and telecom equipment.
Detailed Technical Specifications
| Parameter |
Value |
| Output Voltage 1 |
3.3V (fixed) |
| Output Voltage 2 |
2.5V (fixed) |
| Output Current 1 |
1A |
| Output Current 2 |
2A |
| Dropout Voltage (typ) |
350mV @ 1A (Vout1), 500mV @ 2A (Vout2) |
| Input Voltage Range |
2.7V to 6.0V |
| Line Regulation |
0.01%/V |
| Load Regulation |
0.5% |
| PSRR |
60dB @ 1kHz |
| Quiescent Current |
185µA (both outputs enabled) |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-HTSSOP (PowerPAD) |
Key Features
- Dual independent LDO outputs with fixed voltages
- Low dropout voltage: 350mV/500mV typical
- High output accuracy: ±2% over line, load, and temperature
- Low quiescent current: 185µA typical
- Enable pins for each output
- Overcurrent and overtemperature protection
- PowerPAD package for improved thermal dissipation
- Stable with ceramic output capacitors
Target Applications
- 5G base station power management (e.g., powering FPGA cores and I/O)
- Automotive dashboard displays (e.g., infotainment processor and display driver)
- Industrial PLC modules (e.g., analog and digital supply rails)
- Medical imaging equipment (e.g., sensor and logic supplies)
- Networking switches and routers (e.g., SerDes and PHY power)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS70448PWP. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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transactions, ensuring peace of mind for batch orders.
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testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
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
TPS70448PWP 是德州儀器推出的雙路低壓差穩壓器,專為需要兩路獨立穩壓電源的應用設計。它提供固定的 3.3V/1A 和 2.5V/2A 輸出,具有高精度和低壓差特性。採用帶 PowerPAD 的 24 引腳 HTSSOP 封裝,增強散熱性能,適用於工業和電信設備中的混合信號系統、FPGA 和處理器供電。
詳細技術參數
| 參數 |
數值 |
| 輸出電壓 1 |
3.3V(固定) |
| 輸出電壓 2 |
2.5V(固定) |
| 輸出電流 1 |
1A |
| 輸出電流 2 |
2A |
| 典型壓差 |
350mV @ 1A(Vout1),500mV @ 2A(Vout2) |
| 輸入電壓範圍 |
2.7V 至 6.0V |
| 線性調整率 |
0.01%/V |
| 負載調整率 |
0.5% |
| 電源抑制比 |
60dB @ 1kHz |
| 靜態電流 |
185µA(兩路輸出使能) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-HTSSOP(PowerPAD) |
核心特性
- 雙路獨立 LDO 輸出,固定電壓
- 低壓差:典型值 350mV/500mV
- 高輸出精度:±2%(線性、負載、溫度範圍內)
- 低靜態電流:典型值 185µA
- 每路輸出獨立使能引腳
- 過流和過熱保護
- PowerPAD 封裝增強散熱
- 可與陶瓷輸出電容穩定工作
典型應用場景
- 5G 基站電源管理(例如為 FPGA 內核和 I/O 供電)
- 汽車儀表盤顯示(例如信息娛樂處理器和顯示驅動器)
- 工業 PLC 模塊(例如模擬和數字電源軌)
- 醫療成像設備(例如傳感器和邏輯電源)
- 網絡交換機和路由器(例如 SerDes 和 PHY 供電)
環球供應鏈與批發合作夥伴方案
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