Overview
The TPS70158PWPG4 is a dual-output low-dropout (LDO) voltage regulator produced by Texas Instruments. This component is designed for split-voltage DSP systems and features power-up sequencing, making it suitable for applications requiring precise voltage regulation and sequencing. The regulator is available in a 20-pin HTSSOP package and is RoHS compliant.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | TPS70158PWPG4 |
| Package Type | 20-HTSSOP |
| Operating Temperature Range | -40°C to 125°C |
| Output Options | Adjustable Output, Fixed Output (1.2V, 1.5V, 1.8V, 2.5V, 3.3V) |
| Maximum Output Current (Iout) | 0.5 A (Regulator 1), 0.25 A (Regulator 2) |
| Quiescent Current (Iq) | 0.19 mA (Typical) |
| Noise | 65 µVrms |
| PSRR @ 100kHz | 20 dB |
| Voltage Dropout (Vdo) | 170 mV (Typical) |
| Input Voltage Range | 2.7V to 6V |
| Output Voltage Range | 1.2V to 5.5V |
| Thermal Resistance (ОёJA) | 74°C/W |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
Key Features
- Dual-output LDO voltage regulator with power-up sequencing.
- Fixed output voltages: 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
- Adjustable output voltage option.
- Low dropout voltage: 170 mV (Typical).
- Low quiescent current: 0.19 mA (Typical).
- High power supply rejection ratio (PSRR): 20 dB @ 100kHz.
- Protection features include over current, over temperature, reverse polarity, and under voltage lockout (UVLO).
- Enable, power good, reset, and sequencing control features.
- Output discharge feature.
Applications
- SPLIT-voltage DSP systems.
- Telecommunication equipment.
- Industrial control systems.
- Medical devices requiring precise voltage regulation.
- Automotive systems where robust voltage regulation is necessary.
Q & A
- What is the operating temperature range of the TPS70158PWPG4?
The operating temperature range is -40°C to 125°C.
- What are the fixed output voltage options available for this regulator?
The fixed output voltage options are 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V.
- What is the maximum output current for each regulator?
The maximum output current is 0.5 A for Regulator 1 and 0.25 A for Regulator 2.
- What is the typical quiescent current of the TPS70158PWPG4?
The typical quiescent current is 0.19 mA.
- What protection features are included in this regulator?
The protection features include over current, over temperature, reverse polarity, and under voltage lockout (UVLO).
- What is the package type and pin count of the TPS70158PWPG4?
The package type is 20-HTSSOP.
- Is the TPS70158PWPG4 RoHS compliant?
- What is the power supply rejection ratio (PSRR) at 100kHz?
The PSRR at 100kHz is 20 dB.
- What are some common applications for the TPS70158PWPG4?
- Does the TPS70158PWPG4 have power-up sequencing?
