TPS79918DDCR

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TPS79918DDCR

IC REG LINEAR 1.8V 200MA SOT23-5

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  • Fr. Teil #TPS79918DDCR
  • Paket SOT23-5
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 6.5V
Voltage-Output(Min/Fixed) 1.8V
VoltageDropout(Max) 0.18V @ 200mA
Current-Output 200mA
Current-Quiescent(Iq) 60 µA
PSRR 70dB ~ 38dB (100Hz ~ 100kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SOT-23-5 Thin, TSOT-23-5

Übersicht

Description

TPS79918DDCR is TI’s fixed-output low-dropout regulator (LDO) in the TPS799 family. It provides a stable 1.8 V rail from a higher input voltage, designed for portable and battery-powered systems.
Key points:
- Fixed output: 1.8 V
- Small DDCR package (6-pin) for compact designs
- Features: low quiescent current, good transient response, enable pin, short-circuit protection, thermal shutdown
- Suitable for: microcontrollers, sensors, memory, and other logic that need a clean 1.8 V supply
- How to use: add recommended input and output capacitors (low-ESR ceramics) near the IC; control via EN pin; follow datasheet decoupling and layout guidelines
Why choose it: simple, compact 1.8 V regulation with protection features and good efficiency for low-voltage, space-constrained designs.
For exact electrical specs, input range, dropout behavior, EN logic, and packaging details, consult the TPS79918DDCR datasheet.

Features

TPS79918DDCR is a fixed 1.8-V low-dropout regulator. Key features:
- Fixed 1.8 V output
- Up to ~150 mA output current
- Low dropout voltage
- Very low quiescent current
- Enable/shutdown pin
- Overcurrent/short-circuit protection and thermal shutdown
- Wide input range (up to ~5.5 V)
- Good line/load regulation and PSRR
- Stable with small ceramic capacitors
- Space-saving DDCR package (SOT-23-5)

Package

TPS79918DDCR comes in an 8‑pin VQFN package (3.0 x 3.0 mm) with an exposed bottom pad.

Pinout

- Pin count: 5 (SOT-23-5, DDCR)
- Function: Fixed 1.8 V LDO regulator with an enable pin. Pinout (DDCR): Pin 1 EN, Pin 2 GND, Pin 3 IN, Pin 4 OUT, Pin 5 NC (no-connect). EN is used to enable/disable the regulator.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: TI is a US-based multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits and related products. It is one of the world's largest semiconductor manufacturers.

Application

TPS79918DDCR is a fixed 1.8-V LDO regulator. Typical applications:
- Portable/battery-powered devices (wearables, handhelds)
- 1.8-V rails for microcontrollers, DSPs, logic, peripherals
- Sensors, ADC/DAC front-ends, and memory power
- Point-of-load supply for FPGAs/ASICs
- Laptops/tablets and consumer electronics’ 1.8-V rails
- Medical instrumentation and other low-noise, low-quiescent-power needs

Equivalent

TPS79918DDCR is a 1.8 V fixed, low-noise LDO (≈150 mA). Equivalent parts (drop-in style, similar output/current) include:
- TI TLV70018
- Microchip MCP1700-1.8
- Analog Devices ADP170AUJZ-1.8
- Torex XC6206P182MR
Note: check exact footprint/pinout to ensure compatibility.

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