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TLV62569DBVT

TITLV62569DBVT

Texas Instruments
Buck Switching Regulator IC Positive Adjustable 0.6V Output 2A SC-74A, SOT-753
NRND1,986 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The TLV62569DBVT is a high-efficiency, synchronous step-down buck converter capable of delivering up to 2A of output current. Operating from an input voltage range of 2.5V to 5.5V, it is designed for point-of-load conversion from standard 3.3V and 5V rails. The device utilizes a pulse-width modulation (PWM) control scheme with a 1.5MHz switching frequency to minimize external component size while maintaining excellent transient response.

Why Choose This Part

This regulator offers up to 95% efficiency and integrates a Power Good output for easy sequencing of multi-rail systems. Its 1.5MHz switching frequency allows for the use of small surface-mount inductors and capacitors, reducing the overall PCB footprint. Furthermore, the 100% duty cycle capability allows the device to operate with very low dropout voltages as the input approaches the output setpoint.

Applications

Point-of-Load Regulation
Efficiently stepping down 5V or 3.3V system rails to low-voltage processor cores, FPGAs, and I/O banks.
Battery-Powered IoT Devices
Leveraging the 35uA quiescent current and Power Save Mode to extend battery life in portable electronics.
Optical Modules
Providing stable power in space-constrained SFP or QSFP modules due to the small SOT-23 package and high switching frequency.

Key Specifications

Function Step-Down
Topology Buck
Output Type Adjustable
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Current - Output 2A
Output Configuration Positive
Frequency - Switching 1.5MHz
Operating Temperature -40degC ~ 125degC (TJ)
Synchronous Rectifier Yes
Voltage - Input (Max) 5.5V
Voltage - Input (Min) 2.5V
Voltage - Output (Max) 5.5V
Supplier Device Package SOT-23-5
Voltage - Output (Min/Fixed) 0.6V

Getting Started

To evaluate this part, use the TLV62569EVM-789 evaluation module to test transient response and thermal performance. Ensure that the input bypass capacitor and the inductor are placed as close as possible to the IC pins to minimize parasitic inductance and EMI. The output voltage is set via a simple resistor divider connected to the FB pin, targeting a 0.6V internal reference.

Also Consider

MP2143 MPSMonolithic Power Systems (MPS) - Provides a 3A output current in a similar SOT-23 package if higher load overhead is required.

Categories

Power Management > Switching Regulators