Automotive, 300-mA, low-IQ, high-PSRR, LDO voltage regulator with high accuracy and enable
Product details
Parameters
Package | Pins | Size
Features
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Device junction temperature: –40°C to +150°C, TJ
- Input voltage range: 1.65 V to 6.0 V
- Available output voltages:
- Adjustable option: 1.2 V to 5.5 V
- Fixed options: 0.65 V to 5.0 V
- Output accuracy: 0.5% typical, 1.7% maximum
- 50-dB PSRR out to 100 kHz
- Low IQ: 25 µA (typical)
- Ultra-low dropout:
- 115 mV (max) at 300 mA (3.3 VOUT)
- Internal 500-µs soft-start time to reduce inrush current
- Active output discharge
- Functional Safety-Capable
- Documentation available to aid functional safety system design
- Packages:
- 3-mm × 3-mm wettable flank VSON (8)
- 5-pin SOT-23
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Description
The TPS784-Q1 ultra low-dropout regulator (LDO) is a small, low quiescent current LDO that can source 300 mA with excellent line and load transient performance.
The low output noise and great PSRR performance make the device suitable to power sensitive analog loads. The TPS784-Q1 is a flexible device for post regulation because this device supports an input voltage range from 1.65 V to 6.0 V and offers an adjustable output range of 1.2 V to 5.5 V. The device also features fixed output voltages from 0.65 V to 5.0 V for powering common voltage rails.
The TPS784-Q1 offers foldback current limit to reduce power dissipation during over current condition. The EN input helps with power sequencing requirements of the system. The internal soft-start provides a controlled startup reducing the inrush current allowing for lower input capacitance to be used.
The TPS784-Q1 provides an active pulldown circuit to quickly discharge output loads when disabled.
Technical documentation
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | TPS784-Q1 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy and Enable datasheet (Rev. B) | Apr. 16, 2021 |
| Technical article | LDO basics: capacitor vs. capacitance | Aug. 01, 2018 | |
| Technical article | LDO Basics: Preventing reverse current | Jul. 25, 2018 | |
| Technical article | LDO basics: introduction to quiescent current | Jun. 20, 2018 | |
| Technical article | LDO basics: noise – part 1 | Jun. 14, 2017 | |
| User guide | Universal Low-Dropout (LDO) Linear Voltage Regulator EVM User's Guide | Oct. 12, 2016 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The MULTIPKGLDOEVM-823 evaluation module (EVM) helps you evaluate the operation and performance of several common packages of linear regulators for possible use in circuit applications. This particular EVM configuration has a DRB, DRV, DQN and DBV footprint for you to solder and (...)
Features
- Supports almost all LDO linear regulators in DBV, DRB, DRV and DQN packages
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| SON (DRB) | 8 | View options |
| SOT-23 (DBV) | 5 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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