Overview
The LTC3309AJV#TRPBF is a high-efficiency, low-noise, monolithic synchronous 6A step-down DC/DC converter produced by Analog Devices Inc. This device operates from a 2.25V to 5.5V input supply, making it versatile for various power management applications. The LTC3309AJV#TRPBF is designed to be compact, with a 12-lead LQFN-12-EP (2x2) package, and is suitable for use in a wide range of temperatures from –40°C to 150°C, making it ideal for both industrial and automotive environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Input Supply Operating Voltage (VIN) | 2.25 | 5.5 | V | ||
| VIN Undervoltage Lockout | VIN Rising | 2.0 | 2.1 | 2.2 | V |
| VIN Undervoltage Lockout Hysteresis | 150 | mV | |||
| VIN Quiescent Current in Shutdown | VEN = 0.1V | 1 | 2 | µA | |
| VIN Quiescent Current | Burst Mode Operation, Sleeping | 40 | 1.2 | 60 | µA / mA |
| Enable Threshold | VEN Rising | 0.375 | 0.4 | 0.425 | V |
| Enable Threshold Hysteresis | 50 | mV | |||
| EN Pin Leakage | VEN = 0.5V | ±20 | nA | ||
| Regulated Feedback Voltage (VFB) | 500 | mV |
Key Features
- High Efficiency: The LTC3309AJV#TRPBF offers high efficiency, reducing heat and improving overall system performance.
- Low Noise: Designed to operate with low noise, making it suitable for applications requiring minimal electromagnetic interference.
- Compact Package: Available in a 12-lead LQFN-12-EP (2x2) package, ideal for space-constrained designs.
- Wide Operating Temperature Range: Operates from –40°C to 150°C, making it suitable for both industrial and automotive applications.
- Programmable Output Voltage: The output voltage can be programmed using a resistor divider connected to the feedback pin, allowing for flexible voltage regulation.
- Burst Mode Operation: Supports burst mode operation to reduce quiescent current during light load conditions, enhancing power efficiency.
Applications
- Automotive Systems: Suitable for use in automotive applications due to its wide operating temperature range and robust design.
- Industrial Control Systems: Ideal for industrial control systems that require reliable and efficient power management.
- Telecommunications Equipment: Can be used in telecommunications equipment where high efficiency and low noise are critical.
- Embedded Systems and FPGAs: Suitable for powering embedded systems and FPGAs that require stable and efficient power supply.
Q & A
- What is the input voltage range of the LTC3309AJV#TRPBF?
The input voltage range is from 2.25V to 5.5V.
- What is the maximum output current of the LTC3309AJV#TRPBF?
The maximum output current is 6A.
- What is the operating temperature range of the LTC3309AJV#TRPBF?
The operating temperature range is from –40°C to 150°C.
- What package type is the LTC3309AJV#TRPBF available in?
The device is available in a 12-lead LQFN-12-EP (2x2) package.
- How can the output voltage be programmed?
The output voltage can be programmed using a resistor divider connected to the feedback pin.
- Does the LTC3309AJV#TRPBF support burst mode operation?
- What is the typical regulated feedback voltage (VFB)?
The typical regulated feedback voltage (VFB) is 500mV.
- Is the LTC3309AJV#TRPBF suitable for automotive applications?
- What is the enable threshold voltage for the LTC3309AJV#TRPBF?
The enable threshold voltage is between 0.375V and 0.425V.
- How much quiescent current does the LTC3309AJV#TRPBF consume in shutdown mode?
The quiescent current in shutdown mode is typically 2µA.
