Overview
The ADP2370ACPZ-5.0-R7 is a high-efficiency, low quiescent current buck (step-down) DC-DC converter produced by Analog Devices Inc. This device is part of the ADP2370/ADP2371 series, known for their excellent stability and transient response. The ADP2370ACPZ-5.0-R7 operates in a small 8-lead, 3 mm x 3 mm LFCSP (QFN) package, making it suitable for space-constrained applications. It is designed to provide efficient power conversion with a minimal number of external components, ensuring long battery life in portable devices.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3.2 V to 15 V |
| Output Current | 800 mA |
| Quiescent Current in Power Saving Mode (PSM) | < 14 µA |
| Output Voltage Options | Fixed: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V; Adjustable |
| Frequency Options | 600 kHz or 1.2 MHz, synchronizable to an external clock |
| Efficiency | >90% at IOUT = 250 mA, VIN = 7.2 V, VOUT = 3.3 V |
| Package Type | 8-lead, 0.75 mm x 3 mm x 3 mm LFCSP (QFN) |
| Shutdown Current | < 1.2 µA |
| Feedback Voltage Accuracy | ±1% at IOUT = 250 mA, TJ = 25°C |
Key Features
- High efficiency synchronous rectifier architecture
- Power saving variable frequency mode to reduce switching frequency under light load conditions
- 100% duty cycle capability
- Quick output discharge (QOD) option
- Synchronizable to an external clock (600 kHz to 1.2 MHz)
- Low shutdown current and quiescent current
- Supported by ADIsimPower design tool
Applications
- Portable and battery-powered equipment
- Automatic meter readers (WSN)
- Point of sales and transaction processing instruments
- Medical instruments
- Medium format display tablets and pads
Q & A
- What is the input voltage range of the ADP2370ACPZ-5.0-R7?
The input voltage range is from 3.2 V to 15 V. - What is the maximum output current of the ADP2370ACPZ-5.0-R7?
The maximum output current is 800 mA. - What are the available output voltage options for the ADP2370ACPZ-5.0-R7?
The output voltage options include fixed voltages (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V) and an adjustable option. - Can the ADP2370ACPZ-5.0-R7 be synchronized to an external clock?
Yes, it can be synchronized to an external clock in the range of 600 kHz to 1.2 MHz. - What is the quiescent current in power saving mode (PSM) for the ADP2370ACPZ-5.0-R7?
The quiescent current in PSM is less than 14 µA. - What is the efficiency of the ADP2370ACPZ-5.0-R7 at typical operating conditions?
The efficiency is greater than 90% at IOUT = 250 mA, VIN = 7.2 V, VOUT = 3.3 V. - What package type is the ADP2370ACPZ-5.0-R7 available in?
The device is available in an 8-lead, 0.75 mm x 3 mm x 3 mm LFCSP (QFN) package. - Does the ADP2370ACPZ-5.0-R7 support quick output discharge (QOD)?
Yes, it supports quick output discharge (QOD). - What are some typical applications of the ADP2370ACPZ-5.0-R7?
Typical applications include portable and battery-powered equipment, automatic meter readers, point of sales and transaction processing instruments, medical instruments, and medium format display tablets and pads. - Is the ADP2370ACPZ-5.0-R7 supported by any design tools?
Yes, it is supported by the ADIsimPower design tool.
