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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators > TPS79918YZUR
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TPS79918YZUR

In Stock 44400 pcs Reference Price(In US Dollars)
1+
$0.3527
Manufacturer Part Number:
TPS79918YZUR
Manufacturer / Brand
Texas Instruments
Part of Description:
IC REG LINEAR 1.8V 200MA 5DSBGA
Datasheets:
TPS79918YZUR(1).pdfTPS79918YZUR(2).pdfTPS79918YZUR(3).pdfTPS79918YZUR(4).pdfTPS79918YZUR(5).pdfTPS79918YZUR(6).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 44400 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number TPS79918YZUR
Manufacturer / Brand Texas Instruments
Stock Quantity 44400 pcs Stock
Category Integrated Circuits (ICs) > Power Management (PMIC) - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Description IC REG LINEAR 1.8V 200MA 5DSBGA
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ TPS79918YZUR Datasheets TPS79918YZUR Details PDF
TPS79918YZUR Details PDF for FR.pdf
TPS79918YZUR Details PDF for KR.pdf
TPS79918YZUR Details PDF for IT.pdf
TPS79918YZUR Details PDF for ES.pdf
TPS79918YZUR Details PDF for DE.pdf
Voltage Dropout (Max) 0.18V @ 200mA
Voltage - Output (Min/Fixed) 1.8V
Voltage - Output (Max) -
Voltage - Input (Max) 6.5V
Supplier Device Package 5-DSBGA
Series -
Protection Features Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Package / Case 5-UFBGA, DSBGA
Package Tape & Reel (TR)
PSRR 70dB ~ 38dB (100Hz ~ 100kHz)
Output Type Fixed
Output Configuration Positive
Operating Temperature -40°C ~ 125°C
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 60 µA
Current - Output 200mA
Control Features Enable
Base Product Number TPS79918

Packaging & ESD

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Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
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TPS79918YZUR Product Details:

The TPS79918YZUR is a linear voltage regulator integrated circuit (IC) manufactured by Luminary Micro / Texas Instruments. It belongs to the PMIC - Voltage Regulators - Linear small classification category, providing a fixed positive 1.8V output with a maximum current of 200mA.

Designed with a compact 5-DSBGA (1x1.37) package, the TPS79918YZUR addresses the need for space-constrained applications. It is RoHS compliant and features a wide operating temperature range of -40°C to 125°C, making it suitable for a variety of environments.

Key specifications of the TPS79918YZUR include a quiescent current of 60μA, a Power Supply Rejection Ratio (PSRR) of 70dB to 38dB across the 100Hz to 100kHz frequency range, and a maximum voltage dropout of 0.18V at 200mA output current. The device also incorporates protection features such as overcurrent, overtemperature, reverse polarity, and under-voltage lockout (UVLO) to ensure reliable operation.

The TPS79918YZUR's primary advantages are its compact size, wide temperature range, and robust protection features, making it an ideal choice for use in portable electronics, consumer products, and industrial applications that require a reliable and efficient linear voltage regulator.

In terms of compatibility, the TPS79918YZUR is a specialized part number without any direct equivalent models. However, Texas Instruments offers a range of similar linear voltage regulators within the TPS799xx series that may serve as alternative options, depending on the specific voltage and current requirements of the application.

TPS79918YZUR Key Technical Attributes

Manufacturer Part Number: TPS79918YZUR

Manufacturer: Luminary Micro / Texas Instruments

Package / Case: 5-UFBGA, DSBGA

TPS79918YZUR Packing Size

Package Type: 5-DSBGA (1x1.37)

Packaging Material: Digi-Reel

Operating Temperature Range: -40°C ~ 125°C

Electrical Properties: Voltage - Input (Max): 6.5V, Voltage - Output (Min/Fixed): 1.8V

TPS79918YZUR Application

This device is suited for a variety of applications including but not limited to power management in consumer electronics, telecom infrastructure, and industrial control systems.

TPS79918YZUR Features

The TPS79918YZUR is a Linear Voltage Regulator IC providing a positive fixed output at 1.8V with a current capacity of 200mA. It offers low dropout voltage of only 0.18V at full load, enhancing its efficiency. The regulator is designed with a low quiescent current of 60 A, making it suitable for battery-powered devices. It exhibits excellent load and line transient response and features a power supply rejection ratio (PSRR) of 70dB to 38dB across a frequency range of 100Hz to 100kHz.

TPS79918YZUR Quality and Safety Features

The device integrates multiple protection features including Over Current Protection, Over Temperature Protection, Reverse Polarity Protection, and Under Voltage Lockout (UVLO), ensuring robust performance and safety in demanding applications.

TPS79918YZUR Compatibility

The TPS79918YZUR is compatible with surface mount technology, facilitating its integration into a wide range of electronic circuits.

TPS79918YZUR Datasheet PDF

For the most detailed and authoritative information on the TPS79918YZUR, customers are encouraged to download the datasheet available on our website. This document provides in-depth insight into specifications, pin configurations, application circuits, and more.

Quality Distributor

IC-Components is a premium distributor of Luminary Micro / Texas Instruments products. We assure the availability of genuine components including the TPS79918YZUR. For competitive pricing and reliable supply, get a quote today on our website. Trust IC-Components for all your component needs, where quality meets excellence.

Frequently Asked Questions

When designing a portable device requiring a stable 1.8V rail from a battery source, what are the key considerations for integrating the TPS79918YZUR, especially concerning its 6.5V maximum input and 200mA output current?
When integrating the TPS79918YZUR for a portable 1.8V rail, consider the battery's voltage excursion. If the battery can exceed 6.5V, a pre-regulation stage or a different regulator is necessary to prevent damage to the TPS79918YZUR. For the 200mA output current, ensure your load does not continuously exceed this limit, and transient current demands are within the regulator's capability, considering its thermal dissipation in the compact 5-DSBGA package.
For an industrial control system that needs a reliable 1.8V supply for sensor interfaces, how does the TPS79918YZUR's -40°C to 125°C operating temperature range compare to other 1.8V LDOs like the MCP1700-1802E/TT, and what are the implications for thermal management?
The TPS79918YZUR offers a robust -40°C to 125°C operating temperature range, making it suitable for many industrial applications where the MCP1700-1802E/TT might be limited. For the TPS79918YZUR, continuous operation near its maximum output current of 200mA, especially at the higher end of its temperature range, will require careful consideration of board layout and potential heatsinking to manage its thermal dissipation within the 5-DSBGA package and maintain reliability.
We are migrating a design from an older 3.3V microcontroller that used an older LDO to a new board needing 1.8V. Can the TPS79918YZUR directly replace a generic 1.8V LDO like an AP2112K-1.8, and what potential issues should we watch for regarding quiescent current and transient response?
While the TPS79918YZUR can provide a 1.8V output, it's not a direct drop-in replacement for every 1.8V LDO like the AP2112K-1.8 without evaluation. The TPS79918YZUR boasts a very low quiescent current (60µA), which is beneficial for battery-powered applications. However, its transient response characteristics and PSRR (70dB ~ 38dB) might differ, potentially impacting the stability of sensitive downstream components. Always verify the input/output capacitor requirements and transient load behavior in your specific application circuit with the TPS79918YZUR.
In a low-power IoT device, can the TPS79918YZUR's 60µA quiescent current be fully leveraged when the Enable pin is used to shut down the output, and what is the typical shutdown current in this state?
Yes, the TPS79918YZUR's 60µA quiescent current is generally achievable during active operation. When the Enable pin is used to shut down the output, the TPS79918YZUR enters a low-power shutdown mode, and its current consumption will be significantly reduced, typically to a few microamperes. This makes it highly suitable for extending battery life in low-power IoT applications.
When using the TPS79918YZUR in a space-constrained mobile application, what are the practical implications of its 5-DSBGA (1x1.37) package for PCB layout, and what are the minimum recommended capacitor values and types for stable operation?
The 5-DSBGA (1x1.37) package of the TPS79918YZUR necessitates precise PCB layout due to its small size and fine pitch. For stable operation of the TPS79918YZUR, use low-ESR ceramic capacitors for input and output. Typical recommendations include a 1µF to 10µF ceramic capacitor on the input and a 1µF to 4.7µF ceramic capacitor on the output. Always consult the datasheet for specific placement and trace width guidelines to ensure optimal performance and prevent oscillations.
For a high-reliability medical device requiring an always-on 1.8V rail, are there any known long-term degradation mechanisms or failure modes for the TPS79918YZUR under continuous operation within its specified temperature limits?
Under continuous operation within its specified -40°C to 125°C limits, the TPS79918YZUR, like any semiconductor, is subject to long-term reliability considerations. Texas Instruments generally designs its LDOs for high reliability. Key factors for the TPS79918YZUR would include ensuring the input voltage remains below 6.5V, output current below 200mA, and that thermal management is adequate to prevent exceeding the junction temperature. Following recommended layout practices and avoiding extreme operating conditions are crucial for long-term stability.
If a design requires a 1.8V output but the input source can occasionally drop to 2.0V, what is the maximum input voltage that the TPS79918YZUR can tolerate before its UVLO (Under Voltage Lockout) protection feature activates, and what happens to the output?
The Under Voltage Lockout (UVLO) feature of the TPS79918YZUR is designed to prevent the regulator from operating in an unstable state when the input voltage is too low. While the exact UVLO threshold is specified in the datasheet, it's typically set to ensure the regulator maintains a regulated output. If the input voltage to the TPS79918YZUR drops below this UVLO threshold, the output will shut down, and the regulator will stop supplying power, protecting downstream components.
When considering the TPS79918YZUR for a power-sensitive application like an active RFID tag, how does its 70dB ~ 38dB PSRR performance at varying frequencies impact its suitability for filtering noise from a switching power supply?
The TPS79918YZUR's Power Supply Rejection Ratio (PSRR) of 70dB at 100Hz and decreasing to 38dB at 100kHz indicates its effectiveness in filtering ripple and noise from the input supply. This is crucial for applications like active RFID tags where a clean 1.8V supply is essential for stable operation of sensitive RF components. The higher PSRR at lower frequencies means the TPS79918YZUR will effectively suppress noise from the input, but filtering of higher-frequency switching noise (approaching 100kHz) will be less pronounced, potentially requiring additional input filtering depending on the noise source.
We are looking to replace an outdated linear regulator in a legacy embedded system with a modern, small-form-factor component. Is the TPS79918YZUR a viable candidate to replace a similar 1.8V LDO like the MIC5205-1.8YS, considering package size and basic functionality?
The TPS79918YZUR, with its 5-DSBGA (1x1.37) package, is significantly smaller than many legacy LDOs like the MIC5205-1.8YS, making it an excellent candidate for space-constrained designs. Both provide a fixed 1.8V output and have overcurrent and overtemperature protection. However, differences in dropout voltage, quiescent current, and transient response should be carefully evaluated for your specific application circuit when replacing the MIC5205-1.8YS with the TPS79918YZUR.
For a system that requires the 1.8V rail to be enabled only after other power rails are stable, how is the Enable pin on the TPS79918YZUR typically driven, and what is the logic level requirement?
The Enable pin on the TPS79918YZUR is a control input that dictates when the regulator is active. To ensure the 1.8V rail is enabled only after other power rails are stable, the Enable pin should be driven by a signal from a power-on reset (POR) circuit or a supervisor IC that monitors the other power rails. The TPS79918YZUR's Enable pin is typically active high, meaning a logic high signal (e.g., from a microcontroller GPIO or a voltage level derived from another rail) will enable the output, while a logic low will shut it down. Always check the datasheet for the precise logic level thresholds.

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