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KF33BD-TR +BOM

Very low drop voltage regulators with inhibit

Manufacturer:

STMicroelectronics, Inc
Mfr.Part #:

KF33BD-TR
Datasheet:

KF33BD-TR Datasheet (PDF)
Output Configuration:

Positive
Output Type:

Fixed
Number Of Regulators:

1
Voltage - Input (Max):

20V
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KF33BD-TR General Description

The KF33BD-TR is a highly versatile and efficient low drop regulator ideal for a wide range of applications. With its very low dropout voltage and quiescent current, it is perfect for low noise, low power systems, especially those powered by batteries. The device also has a convenient shutdown logic control function, allowing for further power-saving capabilities when used as a local regulator. This feature enables the user to put a portion of the board in standby mode, reducing overall power consumption. Moreover, the KF33BD-TR only requires a 2.2 μF capacitor for stability, making it a cost-effective and space-saving option for your electronic designs

Key Features

Very low dropout voltage (0.4 V)
Very low quiescent current (typ. 50 μA in OFF mode, 500 μA in ON mode)
Output current up to 500 mA
Logic-controlled electronic shutdown
Output voltages of 2.5; 3.3; 5; 8 V
Internal current and thermal limit
Only 2.2 μF for stability
Available in ± 2 % accuracy at 25 °C
Supply voltage rejection: 70 db (typ.)
Temperature range: - 40 to 125 °C

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear	Series	-
Output Configuration	Positive	Output Type	Fixed
Number of Regulators	1	Voltage - Input (Max)	20V
Voltage - Output (Min/Fixed)	3.3V	Voltage - Output (Max)	-
Voltage Dropout (Max)	0.7V @ 500mA	Current - Output	500mA
Current - Quiescent (Iq)	1 mA	Current - Supply (Max)	12 mA
PSRR	80dB ~ 60dB (120Hz ~ 10kHz)	Control Features	Enable
Protection Features	Over Current, Over Temperature	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	KF33

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Ratings and Reviews

D**e 11/05/2022

I am satisfied with the product quality, good quality for its low price. I tested the no-load output voltage with the multimeter and it is 12.35V. I recommend the seller. Thanks a lot!

D**o 02/03/2021

Oooochen fast shipping and super quality, recommend seller

H**t 12/15/2020

Received package today, May6,2019. good product and good seller.