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TPS73218DBVT +BOM

250-mA, high-accuracy, ultra-low-dropout voltage regulator with reverse current protection & enable

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPS73218DBVT
Datasheet:

TPS73218DBVT Datasheet (PDF)
Output Configuration:

Positive
Output Type:

Fixed
Number Of Regulators:

1
Voltage - Input (Max):

5.5V
EDA/CAD Models:

Request Free CAD Models for TPS73218DBVT

Email: [email protected]

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Tel: +852 95804164

TPS73218DBVT General Description

The TPS732 family of low-dropout (LDO) voltage regulators uses an NMOS pass element in a voltage-follower configuration. This topology is stable using output capacitors with low equivalent series resistance (ESR), and even allows operation without a capacitor. The device also provides high reverse blockage (low reverse current) and ground pin current that is nearly constant over all values of output current.

The TPS732 uses an advanced BiCMOS process to yield high precision while delivering very low dropout voltages and low ground pin current. Current consumption, when not enabled, is less than 1 µA and ideal for portable applications. The extremely low output noise (30 µV_RMS with 0.1-µF C_NR) is ideal for powering VCOs. These devices are protected by thermal shutdown and foldback current limit.

Key Features

Stable with No Output Capacitor or Any Value or
Type of Capacitor
Input Voltage Range: 1.7 V to 5.5 V
Ultralow Dropout Voltage: 40 mV Typical at
250 mA
Excellent Load Transient Response–With or
Without Optional Output Capacitor
NMOS Topology Provides Low Reverse Leakage
Current
Low Noise: 30 µV_RMS Typical (10 kHz to 100 kHz)
0.5% Initial Accuracy
1% Overall Accuracy (Line, Load, and
Temperature)
Less Than 1-µA Maximum I_Q in Shutdown Mode
Thermal Shutdown and Specified Min and Max
Current Limit Protection
Available in Multiple Output Voltage Versions
- Fixed Outputs of 1.2 V to 5 V
- Adjustable Outputs from 1.2 V to 5.5 V
- Custom Outputs Available
APPLICATIONS
- Portable and Battery-Powered Equipment
- Post-Regulation for Switching Supplies
- Noise-Sensitive Circuitry such as VCOs
- Point-of-Load Regulation for DSPs, FPGAs,
  ASICs, and Microprocessors

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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)	5.5V
Voltage - Output (Min/Fixed)	1.8V	Voltage - Output (Max)	-
Voltage Dropout (Max)	0.15V @ 250mA	Current - Output	250mA
Current - Quiescent (Iq)	550 µA	Current - Supply (Max)	950 µA
PSRR	58dB ~ 37dB (100Hz ~ 10kHz)	Control Features	Enable
Protection Features	Over Current, Over Temperature, Short Circuit, Reverse Polarity	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	TPS73218