LTC3564ES5#TRPBF

The LTC3564ES5#TRPBF is a high-efficiency, monolithic synchronous buck regulator that utilizes a constant frequency, current mode architecture. This compact and versatile device is designed to provide stable and reliable power conversion for a wide range of applications. Here are the key features and specifications of the LTC3564ES5#TRPBF:

1. High Efficiency and Low Quiescent Current:

   • The LTC3564ES5#TRPBF operates with an efficiency of up to 96%, making it an excellent choice for power-sensitive applications.
   • The quiescent current during operation is only 20μA, dropping to ≤1μA in shutdown mode, which helps to minimize power consumption when the device is not in use.

2. Wide Input Voltage Range:

   • The device supports an input voltage range of 2.5V to 5.5V, making it suitable for single Li-Ion battery-powered applications as well as 3.3V or 5V input voltage systems.

3. High Output Current Capability:

   • The LTC3564ES5#TRPBF can provide a continuous output current of up to 1.25A, making it capable of powering a wide range of loads.

4. Constant Frequency Operation:

   • The switching frequency is internally set at 2.25MHz, allowing the use of small surface mount inductors and capacitors, which contribute to the device’s compact footprint.

5. Internal Synchronous Switch:

   • The LTC3564ES5#TRPBF features an internal synchronous switch, which eliminates the need for an external Schottky diode, further reducing component count and cost.

6. Low Dropout Operation:

   • With a 100% duty cycle, the LTC3564ES5#TRPBF provides low dropout operation, extending battery life in portable systems.

7. Automatic Burst Mode Operation:

   • The device operates in automatic burst mode to increase efficiency at light loads, further extending battery runtime.

8. Low Output Voltage Support:

   • The LTC3564ES5#TRPBF can generate output voltages as low as 0.6V, thanks to its 0.6V feedback reference voltage, making it suitable for powering the latest generation of low-voltage DSPs and microcontrollers.

9. Package and Sealing:

   • The LTC3564ES5#TRPBF is available in a 5-lead ThinSOT package, which is compact and suitable for space-constrained applications.

10. Protection Features:

    • The device includes overtemperature protection and other advanced protection mechanisms to ensure safe and reliable operation.

In summary, the LTC3564ES5#TRPBF is a high-performance, high-efficiency synchronous buck regulator that offers a wide range of input voltages, high output current capability, and compact packaging. Its internal synchronous switch, low dropout operation, and automatic burst mode make it an ideal choice for portable and power-sensitive applications.