Overview
The TLV75733PDBVR is a 1-A, low-IQ (quiescent current) high-accuracy low-dropout (LDO) voltage regulator with an enable feature, manufactured by Texas Instruments. This ultra-small LDO is designed to source 1A of output current and is optimized for a wide range of applications, particularly those requiring low core voltages for modern microcontrollers (MCUs). The device is available in a compact SOT-23-5 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | SOT-23-5 (DBV) |
| Output Current | 1 A |
| Input Voltage Range | 1.45 V to 5.5 V |
| Output Voltage Range | 0.6 V to 5 V (in 50 mV steps) |
| Quiescent Current (IQ) | 25 µA (typical) |
| Dropout Voltage | 425 mV (maximum) at 1 A (3.3 VOUT) |
| Output Accuracy | ±1% (maximum) |
| Operating Temperature Range | -40°C to 125°C |
| PSRR at 100 kHz | 45 dB |
Key Features
- Low quiescent current (IQ) of 25 µA (typical) to minimize standby power.
- High accuracy with an output voltage tolerance of ±1% (maximum).
- Low dropout voltage of 425 mV (maximum) at 1 A (3.3 VOUT).
- Built-in soft-start with monotonic VOUT rise to lower inrush current.
- Foldback current limit to reduce thermal dissipation during short-circuit events.
- Active output discharge to quickly discharge the output when shutdown.
- High power supply rejection ratio (PSRR) of 45 dB at 100 kHz.
- Stable operation with a small 1 µF ceramic output capacitor.
- Integrated thermal shutdown, current limit, and undervoltage lockout (UVLO).
Applications
The TLV75733PDBVR is suitable for a variety of applications, including:
- Powering modern microcontrollers (MCUs) with low core voltages.
- Low-power IoT devices and wearables.
- Portable electronics and battery-powered devices.
- Industrial control systems and automation.
- Medical devices requiring high accuracy and low noise.
Q & A
- What is the output current capability of the TLV75733PDBVR?
The TLV75733PDBVR can source up to 1 A of output current.
- What is the input voltage range for the TLV75733PDBVR?
The input voltage range is from 1.45 V to 5.5 V.
- What are the available output voltage options for the TLV75733PDBVR?
The output voltage ranges from 0.6 V to 5 V in 50 mV steps.
- What is the typical quiescent current (IQ) of the TLV75733PDBVR?
The typical quiescent current is 25 µA.
- Does the TLV75733PDBVR have built-in protection features?
Yes, it includes integrated thermal shutdown, current limit, and undervoltage lockout (UVLO).
- What is the operating temperature range of the TLV75733PDBVR?
The operating temperature range is from -40°C to 125°C.
- Is the TLV75733PDBVR stable with small ceramic output capacitors?
Yes, it is stable with a 1 µF ceramic output capacitor.
- What package options are available for the TLV75733PDBVR?
The device is available in a SOT-23-5 (DBV) package.
- Does the TLV75733PDBVR have an enable feature?
Yes, it includes an enable feature to minimize standby power.
- What is the dropout voltage of the TLV75733PDBVR at 1 A output current?
The maximum dropout voltage is 425 mV at 1 A (3.3 VOUT).
