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LP38502SD-ADJ/NOPB
dropout voltage regulator with adjustable output and enable function
LP38502SD-ADJ/NOPB
dropout voltage regulator with adjustable output and enable function
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Manufacturer Part # : LP38502SD-ADJ/NOPB
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Package/Case: WSON-8
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LP38502SD-ADJ/NOPB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LP38502SD-ADJ/NOPB features a low quiescent current of 33µA, making it an ideal solution for battery-powered devices that require efficient power management. Additionally, it offers excellent line and load transient responses, as well as a fast startup time, ensuring quick and smooth voltage regulation, further enhancing its reliability
Key Features
- Output Short-Circuit Current Limiting
- Precision Voltage Tracking Capability
- Low EMI Filter Option Available
- High-Power Audio Amplifier Applications Supported
- Synchronous Rectification and Zero-Current Switching
- Constant Frequency PWM Operation with Adjustable Duty Cycle
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output | Iout (max) (A) | 1.5 |
| Vin (max) (V) | 5.5 | Vin (min) (V) | 2.7 |
| Vout (max) (V) | 5 | Vout (min) (V) | 0.6 |
| Noise (µVrms) | 100 | Iq (typ) (mA) | 2 |
| Thermal resistance θJA (°C/W) | 33 | Rating | Catalog |
| Load capacitance (min) (µF) | 10 | Regulated outputs (#) | 1 |
| Features | Enable | Accuracy (%) | 2 |
| PSRR at 100 KHz (dB) | 25 | Dropout voltage (Vdo) (typ) (mV) | 220 |
| Operating temperature range (°C) | -40 to 125 |
FAQs
What is LP38502SD-ADJ/NOPB?
The LP38502SD-ADJ/NOPB is a high performance, low dropout voltage regulator designed by Texas Instruments. It is capable of supplying up to 3A of output current with a dropout voltage of 240mV at full load.
How Does LP38502SD-ADJ/NOPB Work?
The LP38502SD-ADJ/NOPB regulates the output voltage by comparing a reference voltage to the divided-down output voltage. Any difference between the actual output voltage and the reference voltage is amplified and used to control the pass element, ensuring a stable output voltage. The device is designed to provide a high PSRR (Power Supply Rejection Ratio) and low output noise, making it suitable for a wide range of applications.
How Many Pins does LP38502SD-ADJ/NOPB have and What are the Functions of the Pinout Configuration?
The LP38502SD-ADJ/NOPB is housed in a 5mm x 5mm 16-pin WQFN (Wettable Flank Quad Flat No-Lead) package. The pinout configuration includes:
- EN: Enable pin for turning the regulator on/off.
- FLT: Fault flag open-drain output pin.
- BYPMODE: Bypass mode selection pin.
- PGND, GNDA: Ground pins.
- ADJ: Feedback pin for adjusting the output voltage.
- VOUT: Regulated output voltage pin.
- VFB: Voltage feedback pin.
- VIN: Input voltage pin.
- PSON: Power good output open-drain output pin.
What are the Pros and Cons of LP38502SD-ADJ/NOPB?
Pros:
- High Output Current: Capable of supplying up to 3A of output current.
- Low Dropout Voltage: Provides a dropout voltage of 240mV at full load.
- High PSRR: Offers a high Power Supply Rejection Ratio for improved noise rejection.
- Thermal Shutdown and Overcurrent Protection: Includes built-in thermal shutdown and overcurrent protection features.
- Small Package: Housed in a compact WQFN package for space-constrained applications.
Cons:
- Complexity: Requires careful consideration of thermal management and input/output capacitors for optimal performance.
- External Components: May need additional external components for specific application requirements.
- Cost: Higher output current and performance features may result in a higher cost compared to lower current regulators.
Are There Any Equivalents/Alternatives to LP38502SD-ADJ/NOPB for Recommendation?
- Alternatives to the LP38502SD-ADJ/NOPB include the LT1963A from Analog Devices and the TPS7A47 from Texas Instruments.
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