TLV62568PDDCT

Part: TLV62568 from Texas Instruments

Type: Synchronous Buck Converter

Description: The TLV62568 is a 2.5-V to 5.5-V input, 1-A synchronous step-down buck DC-DC converter optimized for high efficiency up to 95% and 1.5-MHz switching frequency.

Operating Conditions:

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

Absolute Maximum Ratings:

• Max supply voltage: 6 V (VIN, EN, PG)
• Max output current: 1 A (from Recommended Operating Conditions)
• Max junction/storage temperature: 150 °C

Key Specs:

• Quiescent current (IQ): 35 µA (Not switching)
• Shutdown current (ISD): 0.1 µA (Typ), 2 µA (Max) (EN = 0 V)
• Feedback regulation voltage (VFB): 0.6 V (Typ), 0.588 V (Min), 0.612 V (Max)
• High-side FET on resistance (RDS(on)): 150 mΩ (Typ)
• Low-side FET on resistance (RDS(on)): 100 mΩ (Typ)
• High-side FET current limit (ILIM): 1.5 A (Min)
• Switching frequency (fSW): 1.5 MHz (Typ) (VOUT = 1.8 V)
• Thermal shutdown threshold (TJSD): 150 °C (Typ, rising)

Features:

• 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

Applications:

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

Package:

• SOT-23 (5) (2.90 mm x 2.80 mm)
• SOT-23 (6) (2.90 mm x 2.80 mm)
• SOT563 (6) (1.60 mm x 1.60 mm)

• 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

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.