Part: TLV62568, TLV62568P from Texas Instruments

Type: Synchronous Buck Converter

Description: The TLV62568 is a 2.5–5.5 V input, 1 A synchronous step-down buck DC-DC converter with an adjustable output voltage from 0.6 V to VIN, 1.5 MHz switching frequency, and up to 95% efficiency.

Operating Conditions:

• Supply voltage: 2.5 V to 5.5 V
• Operating temperature: -40 to 125 °C
• Output voltage range: 0.6 V to VIN
• Max output current: 1 A

Absolute Maximum Ratings:

• Max supply voltage: 6 V (VIN, EN, PG)
• Max junction temperature: 150 °C

Key Specs:

• Input voltage range: 2.5 V to 5.5 V
• Output voltage range: 0.6 V to VIN
• Max output current: 1 A
• Switching frequency: 1.5 MHz
• Operating quiescent current: 35 µA (Typ)
• Shutdown current: 0.1 µA (Typ)
• Peak efficiency: Up to 95%
• Under voltage lockout: 2.3 V (Typ)

Features:

• Power Save Mode for light load efficiency
• 100% Duty Cycle for lowest dropout
• Power Good Output (TLV62568P variant)
• Over Current Protection
• Internal Soft Startup
• Thermal Shutdown Protection

Applications:

• General Purpose POL Supply
• Network Video Camera
• Set Top Box
• Wireless Router

Package:

• SOT-23 (5)
• SOT-23 (6)
• SOT563 (6)

• Up to 95% Efficiency
• Low R_DS(ON) Switches 150 m Ω / 100 m Ω
• 2.5-V to 5.5-V Input Voltage Range
• Adjustable Output Voltage from 0.6 V to VIN
• Power Save Mode for Light Load Efficiency
• 100% Duty Cycle for Lowest Dropout
• 35-μA Operating Quiescent Current
• 1.5-MHz Switching Frequency
• Power Good Output
• Over Current Protection
• Internal Soft Startup
• Thermal Shutdown Protection
• Available in SOT Package
• Pin-to-Pin Compatible with TLV62569
• Create a Custom Design Using the TLV62568 With the WEBENCH® Power Designer

• General Purpose POL Supply
• Network Video Camera
• Set Top Box
• Wireless Router

3 Description

The TLV62568 device is a synchronous step-down buck DC-DC converter optimized for high efficiency and compact solution size. The device integrates switches capable of delivering an output current up to 1 A.

TLV62568 Pinout

SOT23-5 (DBV Package)

SOT23-6 (DDC Package)

SOT563-6 (DRL Package)

Notes

• The TLV62568 family is available in three package options: SOT23-5 (DBV), SOT23-6 (DDC), and SOT563-6 (DRL).
• Pin 5 in the DDC package and Pin 6 in the DRL package provide the Power Good (PG) output function.
• The DRL package Pin 6 is marked as NC/PG, indicating it may be no-connect in some configurations or provide power good monitoring.
• Pin numbering derived directly from the package diagrams shown in the datasheet.

VIN = 5 V, T^J = 25°C, unless otherwise noted

Over operating temperature range (unless otherwise noted)(1)

⁽¹⁾ Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute–maximum–rated conditions for extended periods may affect device reliability.

⁽¹⁾ Refer to the Application and Implementation section for further information.

⁽¹⁾ For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

⁽²⁾ All voltage values are with respect to network ground terminal.

⁽³⁾ While switching.

⁽²⁾ JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

The following section discusses the design of the external components to complete the power supply design for several input and output voltage options by using typical applications as a reference.