Overview
The TPS70402PWP is a dual-output, low-dropout voltage regulator produced by Texas Instruments. This device is part of the TPS704xx family, which is designed to provide dual regulated output voltages with integrated supervisory voltage (SVS) functions, including power-on reset (POR) and power good (PG) features. The TPS70402PWP is housed in a 24-pin HTSSOP (PWP) package and is suitable for split-supply applications. It offers high accuracy, fast transient response, and extremely low noise output performance without the need for additional filter bypass capacitors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | HTSSOP (PWP) | - |
| Pins | 24 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Input Voltage Range (VIN1, VIN2) | 2.7 to 6 | V |
| Output Current (Regulator 1) | 0 to 1 | A |
| Output Current (Regulator 2) | 0 to 2 | A |
| Quiescent Current (Typical) | 185 µA | - |
| Standby Current | 2 µA | - |
| Output Voltage Options | 3.3-V/2.5-V, 3.3-V/1.8-V, 3.3-V/1.5-V, 3.3-V/1.2-V, Adjustable | - |
| Dropout Voltage (Typical, Regulator 1) | 160 mV | - |
| Thermal Shutdown Junction Temperature | +150 | °C |
| ESD Rating (HBM) | 2 kV | - |
Key Features
- Dual Output Voltages for Split-Supply Applications
- Independent Enable Functions for Each Regulator
- Fast Transient Response and High Accuracy
- Extremely Low Noise Output Performance Without Additional Filter Bypass Capacitors
- Open Drain Power-On Reset with 120-ms Delay
- Open Drain Power Good for Each Regulator
- Ultralow Quiescent Current (Typically 185 µA)
- Low Input Current During Standby (2 µA)
- Quick Output Capacitor Discharge Feature
- Manual Reset Input
- Undervoltage Lockout (UVLO) Feature
- Thermal Shutdown Protection
- 24-Pin PowerPAD™ TSSOP Package
Applications
The TPS70402PWP is suitable for a variety of applications requiring dual regulated output voltages, including:
- SPLIT-SUPPLY SYSTEMS: Ideal for systems that require two different voltage levels.
- PORTABLE ELECTRONICS: Suitable for battery-powered devices due to its low quiescent current and high efficiency.
- INDUSTRIAL CONTROL SYSTEMS: Used in systems that require reliable and stable voltage regulation.
- AUTOMOTIVE SYSTEMS: Can be used in automotive applications where multiple voltage levels are required.
- COMMUNICATION EQUIPMENT: Applicable in communication devices that need dual voltage supplies.
Q & A
- What is the package type of the TPS70402PWP?
The TPS70402PWP is housed in a 24-pin HTSSOP (PWP) package.
- What are the output current capabilities of the TPS70402PWP?
Regulator 1 can support up to 1 A, and regulator 2 can support up to 2 A.
- What are the available output voltage options for the TPS70402PWP?
The device offers fixed voltage options such as 3.3-V/2.5-V, 3.3-V/1.8-V, 3.3-V/1.5-V, 3.3-V/1.2-V, and adjustable voltage options.
- What is the typical quiescent current of the TPS70402PWP?
The typical quiescent current is 185 µA.
- Does the TPS70402PWP have thermal shutdown protection?
- How does the power good (PG) function work on the TPS70402PWP?
The PG1 and PG2 pins report the voltage conditions at VOUT1 and VOUT2, respectively, and can be used to implement power-on reset or other supervisory functions.
- What is the dropout voltage of the TPS70402PWP?
The typical dropout voltage for regulator 1 is 160 mV.
- Can the TPS70402PWP be used in automotive applications?
- How does the manual reset input work on the TPS70402PWP?
The manual reset input (MR) is an active low input that can be used to reset the device manually.
- What is the ESD rating of the TPS70402PWP?
The ESD rating is 2 kV (HBM).
