Texas Instruments PLM1117120QDCYRQ1
Manufacturer No:
PLM1117120QDCYRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive 1A 18V low-dropout (LDO) linear regulator with high power-supply rejection ratio
Quantity:
In Stock :1524
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
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Date Code：Within 2 Years
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PLM1117120QDCYRQ1 Information
Texas Instruments PLM1117120QDCYRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments PLM1117120QDCYRQ1.
- Type
- Parameter
- Rating
- Catalog
- Vin (max) (V)
- 18
- Vin (min) (V)
- 2.5
- Iout (max) (A)
- 1
- Output options
- Fixed Output
- Vout (max) (V)
- 12
- Vout (min) (V)
- 1.2
- Fixed output options (V)
- 1.2, 3.3, 5, 12
- Noise (µVrms)
- 60
- PSRR at 100 KHz (dB)
- 53
- Type
- Parameter
- Iq (typ) (mA)
- 0.065
- Thermal resistance θJA (°C/W)
- 67.2, 95
- Load capacitance (min) (µF)
- 1
- Regulated outputs (#)
- 1
- Features
- Foldback Overcurrent protection
- Accuracy (%)
- 1
- Dropout voltage (Vdo) (typ) (mV)
- 900
- Operating temperature range (°C)
- -40 to 125
- Package
- SOT-223 (DCY)
- Pins
- 4
Download datasheets and manufacturer documentation for Texas Instruments PLM1117120QDCYRQ1.
Data sheet:
The LM1117-Q1 is an AEC-Q100 qualified linear voltage regulator for automotive applications. The device provides improved performance compared to traditional x1117 regulators, with tighter output accuracy and low quiescent current (IQ) to minimize standby power consumption.
The LM1117-Q1 input voltage range is from 2.5V to 18V (20V absolute maximum). The device is available in 1.2V, 3.3V, 5V, and 12V fixed output voltages.
The wide bandwidth PSRR performance of the LM1117-Q1 is typically greater than 60dB at 1kHz and 40dB at 1MHz, which attenuates the switching frequency of an upstream DC/DC converter.
Additionally, the LM1117-Q1 has an internal soft-start feature to reduce inrush current during start-up, which helps save space and cost in a design by minimizing the need for input capacitance. The LM1117-Q1 features a foldback current limit that reduces the power dissipation of the device during high-load current faults or shorting events.
- AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, TA
- Junction temperature: –40°C to +150°C, TJ
- Input voltage range VIN:
- Absolute maximum: 20V
- Operating range: 2.5V to 18V
- Output voltage range VOUT:
- 1.2V, 3.3V, 5V, 12V fixed
- 0.8V to 13.0V (fixed, 100mV steps) available upon request
- Output current: Up to 1A
- Low quiescent current IQ: 65µA (typical)
- ±1% output accuracy
- High PSRR:
- 60dB at 1kHz
- 40dB at 1MHz
- Internal soft-start time: 500µs (typical)
- Foldback current limiting and thermal protection
- Stable with 1µF ceramic output capacitors
- Packages:
- SOT-223 (DCY), RθJA= 95.4°C/W
- TO-252 (KVU), RθJA= 67.2°C/W
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