Calculation tool
SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC
Calculator tool to adjust the power supply's output voltage with an analog input voltage
TLV62568
2.5V-5.5V input, 1A high efficiency step-down buck converter in SOT23 and SOT563 package
Data sheet
TLV62568
- Up to 95% Efficiency
- Low RDS(ON) Switches 150 mΩ / 100 mΩ
- 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
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.
At medium to heavy loads, the device operates in pulse width modulation (PWM) mode with 1.5-MHz switching frequency. At light load, the device automatically enters Power Save Mode (PSM) to maintain high efficiency over the entire load current range. In shutdown, the current consumption is reduced to less than 2 µA.
The TLV62568 provides an adjustable output voltage via an external resistor divider. An internal soft start circuit limits the inrush current during startup. Other features like over current protection, thermal shutdown protection and power good are built-in. The device is available in a SOT23 and SOT563 package.
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Technical documentation
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Evaluation board
TLV62568EVM-789 — Evaluation Module for TLV62568, a 5.5-V Input, 1-A Output, High Efficiency Step-Down Converter
The TLV62568EVM-789 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568DBV step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)
User guide: PDF
Evaluation board
TLV62568PEVM-860 — TLV62568PDRL 5.5V Input, 1A Output, High Efficiency Step-Down Converter Evaluation Module
The TLV62568PEVM-860 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568PDRL step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)
User guide: PDF
Evaluation board
TLV62568PEVM-884 — TLV62568 5.5V Input, 1A Output High Efficiency Step-down Buck Converter Evaluation Module
The TLV62568PEVM-884 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TLV62568PDDC step-down buck converter. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated output voltage of 1.8 V at up to 1-A output current. The (...)
User guide: PDF
Simulation model
TLV62568 PSpice Unencrypted Transient Model (Rev. B)
SLVMBV4B.ZIP (51 KB) - PSpice Model
Simulation model
TLV62568P PSpice Unencrypted Transient Model (Rev. A)
SLVMC68A.ZIP (80 KB) - PSpice Model
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-23 (DBV) | 5 | Ultra Librarian |
| SOT-23-THN (DDC) | 6 | Ultra Librarian |
| SOT-5X3 (DRL) | 6 | Ultra Librarian |
Ordering & quality
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