Overview
The ADP2107ACPZ-3.3-R7 is a low quiescent current, synchronous, step-down DC-to-DC converter produced by Analog Devices Inc. This device is part of the ADP2105/ADP2106/ADP2107 family and is packaged in a compact 4 mm × 4 mm LFCSP package. It is designed to operate from input voltages ranging from 2.7 V to 5.5 V, making it suitable for various power sources including single Li+/Li− polymer cells, multiple alkaline/NiMH cells, and other standard power sources. The ADP2107ACPZ-3.3-R7 is optimized for high efficiency and low power consumption, making it ideal for battery-powered and portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 5.5 V |
| Output Voltage Range | 0.8 V to VIN (adjustable), preset options: 3.3 V, 1.8 V, 1.5 V, 1.2 V |
| Maximum Load Current | 2 A |
| Switching Frequency | 1.2 MHz |
| Quiescent Current | 20 μA |
| Shutdown Supply Current | 0.1 μA |
| Maximum Duty Cycle | 100% |
| Package Type | 16-lead 4 mm × 4 mm LFCSP |
| Thermal Shutdown Threshold | 140 °C |
| Thermal Shutdown Hysteresis | 40 °C |
Key Features
- High efficiency up to 97%
- Ultralow quiescent current of 20 μA
- Integrated synchronous rectifier for high efficiency
- Enable/shutdown logic input
- Undervoltage lockout to prevent deep battery discharge
- Programmable soft start to limit inrush current at startup
- Smooth transition into low dropout (LDO) mode
- Optimized for small ceramic output capacitors
- Supported by ADIsimPower™ design tool
Applications
- Mobile handsets
- PDAs and palmtop computers
- Telecommunication/networking equipment
- Set top boxes
- Audio/video consumer electronics
Q & A
- What is the input voltage range of the ADP2107ACPZ-3.3-R7? The input voltage range is from 2.7 V to 5.5 V.
- What are the preset output voltage options for the ADP2107ACPZ-3.3-R7? The preset output voltage options are 3.3 V, 1.8 V, 1.5 V, and 1.2 V.
- What is the maximum load current of the ADP2107ACPZ-3.3-R7? The maximum load current is 2 A.
- What is the switching frequency of the ADP2107ACPZ-3.3-R7? The switching frequency is 1.2 MHz.
- What is the quiescent current of the ADP2107ACPZ-3.3-R7? The quiescent current is 20 μA.
- Does the ADP2107ACPZ-3.3-R7 have an integrated synchronous rectifier? Yes, it does.
- What is the thermal shutdown threshold of the ADP2107ACPZ-3.3-R7? The thermal shutdown threshold is 140 °C.
- Is the ADP2107ACPZ-3.3-R7 supported by any design tools? Yes, it is supported by the ADIsimPower™ design tool.
- What are some typical applications of the ADP2107ACPZ-3.3-R7? Typical applications include mobile handsets, PDAs, telecommunication/networking equipment, set top boxes, and audio/video consumer electronics.
- What is the package type of the ADP2107ACPZ-3.3-R7? The package type is a 16-lead 4 mm × 4 mm LFCSP.
