Automotive 500-mA, low-noise, low-IQ, low-dropout voltage regulator with reverse current protection
Product details
Parameters
Package | Pins | Size
Features
- Qualified for Automotive Applications
- AEC Q100-Qualified With the Following Results
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range
- Device HBM Classification Level 2
- Device CDM Classification Level C6
- Input Voltage Range: 1.6 V to 6.5 V
- Output Voltage Range: 0.8 V to 5.5 V
- Output Current up to 500 mA
- Low Output-Voltage Noise: 12 µVRMS Typical
- PSRR at 1 kHz: 75 dB Typical
- Output Voltage Tolerance (VOUT ≥ 3.3 V): ±2%
- Low IQ (Enabled, No Load): 30 µA Typical
- Low Dropout (VOUT ≥ 3.3 V): 95 mV Typical at 500-mA Load
- Stable With 1-µF Ceramic Input and Output Capacitors
- Thermal-Overload and Short-Circuit Protection
- Reverse Current Protection
- No Noise Bypass Capacitor Required
- Output Automatic Discharge for Fast Turnoff
- Power-Good Output With 140-µs Typical Delay
- Internal Soft-Start to Limit the In-rush Current
- –40°C to +125°C Operating Junction Temperature Range
Description
The LP5912-Q1 is low-noise LDO that can supply up to 500 mA of output current. Designed to meet the requirements of RF and analog circuits, the LP5912-Q1 device provides low noise, high PSRR, low quiescent current, and low line and load transient response. The LP5912-Q1 offers class-leading noise performance without a noise bypass capacitor and with the ability for remote output capacitance placement.
The device is designed to work with a 1-µF input and a 1-µF output ceramic capacitor (no separate noise bypass capacitor required).
This device is available with fixed output voltages from 0.8 V to 5.5 V in 25-mV steps. Contact Texas Instruments Sales for specific voltage option needs.
For all available packages, see the Package Option Addendum (POA) at the end of this data sheet.Technical documentation
Type | Title | Date | |
---|---|---|---|
* | Datasheet | LP5912-Q1 Automotive 500-mA Low-Noise, Low-IQ LDO datasheet (Rev. C) | Sep. 02, 2016 |
Functional safety information | LP5912-Q1 Functional Safety FIT Rate and Failure Mode Distribution | Dec. 16, 2019 | |
Technical articles | LDO basics: capacitor vs. capacitance | Aug. 01, 2018 | |
Technical articles | LDO Basics: Preventing reverse current | Jul. 25, 2018 | |
Technical articles | LDO basics: introduction to quiescent current | Jun. 20, 2018 | |
Technical articles | LDO basics: noise – part 1 | Jun. 14, 2017 | |
User guide | LP5912DRV EVM User's Guide | Dec. 15, 2015 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The LP5912EVM facilitates evaluation of the LP5912-1.8DRVR Low-Noise, 500mA Linear Regulator with user accessible test points for Enable (EN) and Power Good (PG). The EVM is a standalone evaluation module containing one positive voltage low-dropout regulator IC for fixed voltage regulation (1.8V (...)
Features
- Operating Input Voltage : 1.6V to 6.5V
- Output Voltage : 1.8V ±2%
- Jumper for user selectable Enable or Disable
- Jumper for user selectable Power Good (PG) pull-up
- Stable with Ceramic Capacitors ≥ 1μF
Description
The LP5912EVM facilitates evaluation of the LP5912-3.3DRVR Low-Noise, 500mA Linear Regulator with user accessible test points for Enable (EN) and Power Good (PG). The EVM is a standalone evaluation module containing one positive voltage low-dropout regulator IC for fixed voltage regulation (3.3V (...)
Features
- Operating Input Voltage : 1.6V to 6.5V
- Output Voltage : 3.3V ±2%
- Jumper for user selectable Enable or Disable
- Jumper for user selectable Power Good (PG) pull-up
- Stable with Ceramic Capacitors ≥ 1μF
Design tools & simulation
Reference designs
Design files
-
download TIDA-01168 BOM.pdf (51KB) -
download TIDA-01168 Assembly Drawing.pdf (787KB) -
download TIDA-01168 PCB.pdf (4091KB) -
download TIDA-01168 CAD Files.zip (4016KB) -
download TIDA-01168 Gerber.zip (642KB) -
download TIDA-01168 Busbars CNC Data (Mechanical).zip (25KB) -
download TIDA-01168 Heatsink Drilling Plan (Mechanical).zip (34KB) -
download TIDA-01168 Heatsink Drilling Plan.pdf (42KB)
Design files
-
download PMP22030 BOM.pdf (60KB) -
download PMP22030 Assembly Drawing.pdf (192KB) -
download PMP22030 PCB.pdf (1005KB) -
download PMP22030 CAD Files.zip (1134KB) -
download PMP22030 Gerber.zip (600KB)
Design files
-
download TIDA-00733 BOM.pdf (42KB) -
download TIDA-00733 Assembly Drawing.pdf (486KB) -
download TIDA-00733 PCB.pdf (3089KB) -
download TIDA-00733 CAD Files.zip (2228KB) -
download TIDA-00733 Gerber.zip (5557KB)
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
WSON (DRV) | 6 | 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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