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TLV74010PDQNR
Texas Instruments
IC REG LIN 1.2V 300MA 4X2SON
85433 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA 4-X2SON (1x1)
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5.0 / 5.0
- (509 Ratings)
TLV74010PDQNR
Product Overview
10414228
DiGi Electronics Part Number
TLV74010PDQNR-DGManufacturer
Texas Instruments
TLV74010PDQNR
Description
IC REG LIN 1.2V 300MA 4X2SONInventory
85433 Pcs New Original In Stock
Linear Voltage Regulator IC Positive Fixed 1 Output 300mA 4-X2SON (1x1)
Quantity
Minimum 1
Minimum 1
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TLV74010PDQNR Technical Specifications
Category
Power Management (PMIC), Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Output Configuration
Positive
Output Type
Fixed
Number of Regulators
1
Voltage - Input (Max)
5.5V
Voltage - Output (Min/Fixed)
1V
Voltage - Output (Max)
-
Voltage Dropout (Max)
1.3V @ 300mA
Current - Output
300mA
Current - Quiescent (Iq)
80 µA
PSRR
-
Control Features
Current Limit, Enable
Protection Features
Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Package / Case
4-XDFN Exposed Pad
Supplier Device Package
4-X2SON (1x1)
Base Product Number
TLV74010
Datasheet & Documents
HTML Datasheet
TLV74010PDQNR-DG
Environmental & Export Classification
RoHS Status
Not applicable
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-TLV74010PDQNRCT
296-TLV74010PDQNRDKR
296-TLV74010PDQNRTR
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
They make shopping online simple, enjoyable, and budget-friendly.
Dec 02, 2025
I can always count on their support team to provide timely assistance.
Dec 02, 2025
The logistics team deserves praise for their speed and accuracy in delivery.
Dec 02, 2025
I am extremely satisfied with their reliable shipping process; my orders always arrive on time.
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Frequently Asked Questions (FAQ)
What are the key risks when replacing an MCP1700 with the TLV74010PDQNR in a low-noise sensor circuit, and how can I ensure compatibility?
When replacing the MCP1700 with the TLV74010PDQNR in a low-noise sensor application, key risks include differences in quiescent current (80 µA vs. ~1.6 µA for MCP1700) and dropout voltage (1.3V at 300mA vs. ~178mV at 250mA). The TLV74010PDQNR is suitable for higher load currents (up to 300mA) and offers tighter line/load regulation, but its higher Iq may affect battery life in ultra-low-power designs. To ensure compatibility, verify that your input voltage stays within 1V to 5.5V, and confirm that the 1.3V dropout at full load won't cause output sag. Additionally, use a 1µF or larger ceramic output capacitor to maintain stability and leverage the enable pin for power sequencing if needed.
How does the dropout voltage of the TLV74010PDQNR impact battery-powered designs near end-of-discharge?
The TLV74010PDQNR has a maximum dropout voltage of 1.3V at 300mA, which significantly impacts battery-powered systems as the input voltage approaches the 1.2V fixed output. For example, in a single-cell Li-ion application, once the battery drops below approximately 2.5V, the regulator may no longer sustain 1.2V output under full load, causing premature brownout. To mitigate this risk, use the TLV74010PDQNR only in applications where the minimum input voltage exceeds Vout + 1.3V under peak load, or reduce load current dynamically. Alternatively, consider a lower-dropout alternative like the TPS7A02 (300nA Iq, 145mV dropout) for extended runtime in deeply discharged conditions.
Can the TLV74010PDQNR safely operate in high-temperature environments up to 125°C, and what PCB layout practices minimize thermal risk?
Yes, the TLV74010PDQNR is rated for junction temperatures up to 125°C, but safe operation at high ambient temperatures requires careful thermal design. With a 4-X2SON package (1x1mm) and exposed pad, thermal resistance (θJA) can exceed 200°C/W without proper PCB copper. To minimize thermal risk, ensure the exposed pad is soldered to a solid GND plane using a thermal via array (at least 2–4 vias), keep traces short and wide for VIN and GND, and avoid placing heat-sensitive components nearby. Also, derate maximum power dissipation—e.g., with 3.3V input and 1.2V output at 200mA, power dissipation is 420mW, which could raise junction temperature by ~84°C with θJA = 200°C/W. Monitor actual temperature in situ during validation.
What design considerations arise when using the TLV74010PDQNR in place of the MAX889L for a compact wearable device?
Replacing the MAX889L with the TLV74010PDQNR in a wearable introduces trade-offs: both are fixed 1.2V regulators in small packages, but the TLV74010PDQNR draws 80 µA quiescent current versus ~1 µA for the MAX889L, significantly impacting battery life in always-on applications. However, the TLV74010PDQNR supports higher output current (300mA vs. 200mA) and includes built-in current limiting and thermal shutdown, enhancing reliability under fault conditions. To optimize performance, use the enable pin of the TLV74010PDQNR to disable the regulator during sleep modes, minimizing leakage. Also, validate transient response under dynamic loads common in wearables, as lower Iq competitors may respond faster.
What are the integration risks of the TLV74010PDQNR in space-constrained IoT modules with minimal output capacitance?
Integrating the TLV74010PDQNR into space-constrained IoT modules risks instability if output capacitance falls below the recommended 1µF ceramic capacitor. This regulator requires a stable, low-ESR output cap to maintain loop stability and suppress transients—using smaller 0.47µF or lower caps can lead to oscillation or voltage spikes. In miniaturized designs, choose 0402 or 0201 1µF X7R/X5R capacitors with voltage ratings ≥6.3V to maintain effective capacitance under bias. Also, place the cap as close as possible to the output pin with minimal trace length to reduce parasitic inductance. Failure to follow these practices may result in erratic behavior in RF-sensitive IoT nodes.
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TLV74010PDQNR CAD Models
Texas Instruments TLV74010PDQNR PCB symbols & footprints
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