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TPS72218DBVT

Linear Voltage Regulator IC Positive Fixed 1 Output 50mA SOT-23-5

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPS72218DBVT
Datasheet:

TPS72218DBVT Datasheet (PDF)
Output options:

Adjustable Output, Fixed Output
Iout (max) (A):

0.05
Vin (max) (V):

5.5
Vin (min) (V):

1.8
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TPS72218DBVT General Description

The TPS722xx family of LDO regulators is available in fixed voltage options that are commonly used to power the latest DSPs and microcontrollers with an adjustable option ranging from 1.22 V to 2.5 V. These regulators can be used in a wide variety of applications ranging from portable, battery-powered equipment to PC peripherals. The family features operation over a wide range of input voltages (1.8 V to 5.5 V) and low dropout voltage (50 mV at full load). Therefore, compared to many other regulators that require 2.5-V or higher input voltages for operation, these regulators can be operated directly from two AAA batteries. Also, the typical quiescent current (ground pin current) is low, starting at 85 uA during normal operation and 1 uA in shutdown mode. Thus, these regulators can be operated very efficiently and, in a battery-powered application, help extend the longevity of the device.

Similar LDO regulators require 1-uF or larger output capacitors for stability. However, this regulator uses an internal compensation scheme that stabilizes the feedback loop over the full range of input voltages and load currents with output capacitances as low as 0.1-uF. Ceramic capacitors of this size are relatively inexpensive and available in small footprints.

This family of regulators is particularly suited as a portable power supply solution due to its minimal board space requirement and 1.8-V minimum input voltage. Being able to use two off-the-shelf, AAA, batteries makes system design easier and also reduces component cost. Moreover, the solution will be more efficient than if a regulator with a higher input voltage is used.

Key Features

50-mA LDO
Available in 1.5-V, 1.6-V, and 1.8-V Fixed-Output and Adjustable Versions
Low Input Voltage Requirement (Down to 1.8 V)
Small Output Capacitor, 0.1-uF
Dropout Voltage Typically 50 mV at 50 mA
Less Than 1 uA Quiescent Current in Shutdown Mode
Thermal Protection
Over Current Limitation
5-Pin SOT-23 (DBV) Package
APPLICATIONS
- Portable Communication Devices
- Battery Powered Equipment
- PCMCIA Cards
- Personal Digital Assistants
- Modems
- Bar Code Scanners
- Backup Power Supplies
- SMPS Post Regulation
- Internet Audio

Specifications

Output options	Adjustable Output, Fixed Output	Iout (max) (A)	0.05
Vin (max) (V)	5.5	Vin (min) (V)	1.8
Vout (max) (V)	2.5	Vout (min) (V)	1.22
Fixed output options (V)	1.5, 1.6, 1.8	Noise (µVrms)	90
Iq (typ) (mA)	0.28	Thermal resistance θJA (°C/W)	66
Rating	Catalog	Load capacitance (min) (µF)	0.1
Regulated outputs (#)	1	Features	Enable
Accuracy (%)	3	PSRR at 100 KHz (dB)	8
Dropout voltage (Vdo) (typ) (mV)	50	Operating temperature range (°C)	-40 to 125
Pin Count	5	Released Date	Feb 25, 2020
Last Modified Date	Mar 7, 2023 4:10 PM UTC

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Ratings and Reviews

E**a 04/26/2024

Good relays at a good price. Everybody's working.

I**a 11/10/2021

Avaq never fails to impress! The EMMC04G-M627-X02U components I purchased were in pristine condition and worked perfectly. Avaq's commitment to providing exceptional products is commendable.

N**s 03/20/2021

Delivery was paid, hung somewhere for 5 days. The goods came almost a month! The product is satisfied, checked everything works! But there is but, ordered along with the holder, and it was not in size, but this is not a problem, there is a step-by-step drill can be expanded. This does not affect the functionality

v**e 12/03/2020

Great people to do business with. Professional and honest.