Overview
The ADP1614ACPZ-1.3-R7, produced by Analog Devices Inc., is a step-up, DC-to-DC switching converter designed to provide high efficiency and versatility in power management. This integrated circuit features an internal power switch capable of delivering output voltages up to 20V, making it suitable for a variety of applications requiring boosted voltage levels. The ADP1614 operates in current-mode pulse-width modulation (PWM) and is optimized for space-constrained applications such as portable devices and thin film transistor (TFT) liquid crystal displays (LCDs).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | Up to 20 | V |
| Peak Current Limit | Up to 4 | A |
| Switching Frequency | 1.3 MHz (ADP1614ACPZ-1.3-R7) | Hz |
| Maximum Duty Cycle | 88% to 92% | % |
| Efficiency | Up to 94% | % |
| Package Type | 10-lead Pb-free LFCSP | |
| Soft Start Current | 5 µA | A |
| Undervoltage Lockout (UVLO) | Yes | |
| Thermal Shutdown (TSD) | Yes |
Key Features
- Adjustable Peak Current Limit: The ADP1614 allows for a pin-adjustable peak current limit of up to 4 A, enhancing flexibility in application design.
- High Efficiency: The converter operates with up to 94% efficiency, making it energy-efficient for various applications.
- Soft Start: An adjustable soft start feature prevents inrush currents when the part is enabled, ensuring smooth startup.
- Current-Mode PWM Architecture: This architecture provides excellent transient response, easy noise filtering, and the use of small external inductors and capacitors.
- Protection Features: Includes undervoltage lockout (UVLO), thermal shutdown (TSD), and logic-controlled enable for robust operation).
- Frequency Selection: The ADP1614ACPZ-1.3-R7 operates at 1.3 MHz, allowing for the use of smaller external components).
Applications
The ADP1614ACPZ-1.3-R7 is optimal for space-constrained applications such as:
- Portable devices
- Thin film transistor (TFT) liquid crystal displays (LCDs)
- Other applications requiring boosted voltage levels and high efficiency
Q & A
- What is the maximum output voltage of the ADP1614ACPZ-1.3-R7?
The maximum output voltage is up to 20V.
- What is the peak current limit of the ADP1614ACPZ-1.3-R7?
The peak current limit is up to 4 A.
- What is the switching frequency of the ADP1614ACPZ-1.3-R7?
The switching frequency is 1.3 MHz.
- What is the efficiency of the ADP1614ACPZ-1.3-R7?
The efficiency is up to 94%.
- What package type is the ADP1614ACPZ-1.3-R7 available in?
The ADP1614ACPZ-1.3-R7 is available in a 10-lead Pb-free LFCSP package.
- Does the ADP1614ACPZ-1.3-R7 have soft start capability?
Yes, it has an adjustable soft start feature.
- What protection features does the ADP1614ACPZ-1.3-R7 include?
It includes undervoltage lockout (UVLO), thermal shutdown (TSD), and logic-controlled enable.
- What types of applications is the ADP1614ACPZ-1.3-R7 suitable for?
It is suitable for space-constrained applications such as portable devices and TFT LCDs.
- How does the ADP1614ACPZ-1.3-R7 handle noise filtering?
The current-mode PWM architecture allows for easy noise filtering and the use of small external inductors and capacitors.
- Can the switching frequency of the ADP1614ACPZ-1.3-R7 be adjusted?
No, the ADP1614ACPZ-1.3-R7 operates at a fixed frequency of 1.3 MHz, but other versions can have adjustable frequencies.
