Dual-output (3.3V/1.2V)1A/2A LDO Regulator with dual enables and SVS for split-voltage systems 24-HTSSOP -40 to 125 The TPS70445PWPR is a dual-output low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TPS70445PWPR
- **Package:** HTSSOP-20 (PowerPAD™)
- **Output Voltage 1 (VOUT1):** 4.5V (fixed)
- **Output Voltage 2 (VOUT2):** Adjustable (1.2V to 5.5V) or fixed (depends on variant)
- **Output Current:** 500mA per channel (1A total)
- **Input Voltage Range:** 2.7V to 6.5V
- **Dropout Voltage:** 300mV (typical) at 500mA
- **Quiescent Current:** 85µA (typical) per channel
- **Power-On Reset (POR) Delay:** Adjustable via external capacitor
- **Thermal Shutdown Protection:** Yes
- **Operating Temperature Range:** -40°C to +125°C
### **Descriptions:**
- The TPS70445PWPR is a dual-output LDO regulator designed for applications requiring multiple regulated voltages.
- It integrates two independent regulators with tracking power-on reset (POR) functionality.
- The device is optimized for noise-sensitive applications with high PSRR (Power Supply Rejection Ratio).
- It features a low-dropout design, making it suitable for battery-powered systems.
### **Features:**
- **Dual Independent Outputs:** Provides two regulated voltages (one fixed and one adjustable or fixed).
- **High PSRR:** 60dB at 1kHz (typical) for noise-sensitive applications.
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.
- **Power-On Reset (POR):** Monitors both outputs with adjustable delay.
- **Thermal & Overcurrent Protection:** Safeguards against overheating and excessive current.
- **PowerPAD™ Package:** Enhances thermal performance for high-power applications.
- **Low Quiescent Current:** Ideal for battery-operated devices.
This information is based solely on TI's official documentation for the TPS70445PWPR.
