Overview
The TLV757P, specifically the TLV75718PDRVR model, is a low-dropout regulator (LDO) from Texas Instruments. This ultra-small LDO is designed to source 1A of current and offers excellent line and load transient performance. It is optimized for a wide range of applications, supporting an input voltage range from 1.45V to 5.5V and fixed output voltages from 0.6V to 5V, which is particularly useful for the lower core voltages of modern microcontrollers (MCUs). The device features low quiescent current (IQ) and an enable function to minimize standby power, along with an internal soft-start to reduce inrush current during start-up.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage (VIN) | 1.45 | - | 5.5 | V |
| Output Voltage (VOUT) | 0.6 | - | 5.0 | V |
| Output Current (IOUT) | 0 | - | 1 | A |
| Dropout Voltage (VDO) | - | 1200-1400 | - | mV |
| Output Accuracy | -1 | - | 1 | % (for VOUT ≥ 1V) |
| Line Regulation | - | 2 | - | mV |
| Load Regulation | - | 0.044-0.069 | - | V/A |
| Thermal Shutdown | 165 | - | - | °C |
| Enable Pin Voltage (VHI/VLO) | 0.3 | - | 1 | V |
Key Features
- Ultra-small package options: SOT-23 (DBV and DYD) and WSON-6 (DRV), with the DYD package featuring a thermally enhanced thermal pad for reduced thermal resistance.
- Low quiescent current (IQ) with enable functionality to minimize standby power.
- Internal soft-start to lower inrush current and minimize input voltage drop during start-up.
- Active pull-down of the output during shutdown to quickly discharge the output and provide a known start-up state.
- Stable operation with small ceramic output capacitors, allowing for a compact solution size.
- Precision band-gap and error amplifier providing high output voltage accuracy.
- Integrated thermal shutdown, current limit, and undervoltage lockout (UVLO) for enhanced reliability.
- Internal foldback current limit to reduce thermal dissipation during short-circuit events.
Applications
- Set-top boxes, TVs, and gaming consoles.
- Portable and battery-powered equipment.
- Desktops, notebooks, and ultrabooks.
- Tablets and remote controls.
- White goods and appliances.
- Grid infrastructure and protection relays.
- Camera modules and image sensors.
Q & A
- What is the input voltage range of the TLV757P?
The input voltage range of the TLV757P is from 1.45V to 5.5V.
- What are the available output voltages for the TLV757P?
The TLV757P is available in fixed output voltages ranging from 0.6V to 5V.
- What is the maximum output current of the TLV757P?
The maximum output current of the TLV757P is 1A.
- What are the package options for the TLV757P?
The TLV757P is available in SOT-23 (DBV and DYD) and WSON-6 (DRV) packages.
- Does the TLV757P have thermal protection features?
Yes, the TLV757P includes integrated thermal shutdown, current limit, and undervoltage lockout (UVLO) for enhanced reliability.
- How does the TLV757P manage inrush current during start-up?
The TLV757P features an internal soft-start to lower the inrush current and minimize the input voltage drop during start-up.
- What is the quiescent current (IQ) of the TLV757P?
The TLV757P has a low quiescent current (IQ) with enable functionality to minimize standby power.
- Can the TLV757P operate with small ceramic output capacitors?
Yes, the TLV757P is stable with small ceramic output capacitors, allowing for a compact solution size.
- What are some common applications for the TLV757P?
The TLV757P is used in set-top boxes, TVs, gaming consoles, portable and battery-powered equipment, desktops, notebooks, ultrabooks, tablets, remote controls, white goods, appliances, grid infrastructure, protection relays, and camera modules.
- How does the TLV757P handle short-circuit events?
The TLV757P has an internal foldback current limit to reduce thermal dissipation during short-circuit events.
