TPS78218DDCT
LDO Voltage Regulators 500nA IQ 150mAUltra- Low Crnt Low-DropTPS78218DDCT
LDO Voltage Regulators 500nA IQ 150mAUltra- Low Crnt Low-Drop
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Manufacturer Part # : TPS78218DDCT
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Package/Case: SOT23-5
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Quality Assurance
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Shipping & Payment
Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
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TPS78218DDCT DataSheet
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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 TPS78218DDCT is a standout among low-dropout regulators, boasting ultra-low power consumption and a compact design that make it perfect for battery-powered devices. With an incredibly low quiescent current of just 500 nA, this LDO is tailor-made for microprocessors and other battery-sensitive applications. Its miniature packaging allows for customized power consumption, ensuring optimal performance for any specific use case
Key Features
- Thermal Overload Protection
- Fault Tolerant against Unexpected Faults
- Low Output Noise and Ripple
- Voltage Regulation with Excellent Load Regulation
- Suitable for Automotive Applications
- No More than 1% Line Regulation
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Output options | Fixed Output | Iout (max) (A) | 0.15 |
Vin (max) (V) | 5.5 | Vin (min) (V) | 2.2 |
Vout (max) (V) | 3.6 | Vout (min) (V) | 1.8 |
Fixed output options (V) | 1.8, 2.2, 2.3, 2.5, 2.7, 2.8, 3, 3.3, 3.6 | Noise (µVrms) | 86 |
Iq (typ) (mA) | 0.0005 | Thermal resistance θJA (°C/W) | 66 |
Rating | Catalog | Load capacitance (min) (µF) | 1 |
Regulated outputs (#) | 1 | Features | Enable, Output discharge |
Accuracy (%) | 3 | PSRR at 100 KHz (dB) | 13 |
Dropout voltage (Vdo) (typ) (mV) | 130 | Operating temperature range (°C) | -40 to 125 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is TPS78218DDCT?
The TPS78218DDCT is a low-dropout (LDO) voltage regulator designed by Texas Instruments. It is ideal for applications requiring a stable and low-noise power supply, such as battery-powered devices, portable electronics, and industrial instrumentation.
How Does TPS78218DDCT Work?
The TPS78218DDCT works by regulating an input voltage to a precise and stable output voltage with low dropout voltage. It utilizes a feedback mechanism to maintain the output voltage within specified limits, ensuring a reliable power source for the connected components. The regulator features low quiescent current, contributing to power efficiency in battery-operated systems.
How Many Pins does TPS78218DDCT have and What are the Functions of the Pinout Configuration?
The TPS78218DDCT is housed in a 6-pin SOT-23 package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- EN: Enable pin for turning the regulator on/off.
- BP: Bypass pin for connecting an external capacitor for improved stability.
- VOUT: Regulated output voltage pin.
- ADJ: Output voltage adjust pin (for adjustable versions).
What are the Pros and Cons of TPS78218DDCT?
Pros:
- Low Dropout Voltage: Provides a stable output voltage even when the input voltage is only slightly higher.
- Low Quiescent Current: Contributes to power efficiency and longer battery life in low-power applications.
- Small Package: The SOT-23 package is compact and suitable for space-constrained designs.
- Enable Control: Includes an enable pin for power management and shutdown capability.
- Low Output Noise: Generates a clean and low-noise output voltage for sensitive applications.
Cons:
- Current Limit: The maximum output current may be limited compared to other types of regulators.
- Heat Dissipation: The regulator may require thermal considerations for high-power applications to manage heat dissipation.
- Accuracy: The output voltage accuracy may be influenced by external factors such as load and temperature.
Are There Any Equivalents/Alternatives to TPS78218DDCT for Recommendation?
- The LP2985 from Texas Instruments is a similar low-dropout regulator with different features and specifications.
- Alternatives to the TPS78218DDCT include the MIC5205 from Microchip Technology and the MCP1702 from Microchip Technology.
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