Overview
The ADP2165ACPZ-1.8-R7 is a high-efficiency, current mode control, step-down dc-to-dc regulator produced by Analog Devices Inc. This component is part of the ADP2165/ADP2166 series, which combines a small footprint with high power density. The regulator features an integrated 19 mΩ high-side FET and a 15 mΩ synchronous rectified FET, making it suitable for a variety of applications requiring efficient power management.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 5.5 V |
| Output Voltage | Fixed: 1.8 V, Adjustable: 0.6 V to 90% of input voltage |
| Output Current | Up to 5 A |
| Switching Frequency | Fixed: 620 kHz or 1.2 MHz, Adjustable: 250 kHz to 1.4 MHz |
| Synchronization Range | 250 kHz to 1.4 MHz |
| High-Side On Resistance | 19 mΩ (VBST - VSW = 5 V), 22 mΩ (VBST - VSW = 3.3 V) |
| Low-Side On Resistance | 15 mΩ (VPVIN = 5 V), 16 mΩ (VPVIN = 3.3 V) |
| High-Side Peak Current Limit | 6.5 A to 9.5 A (ADP2165) |
| Low-Side Negative Current Limit | 2.4 A |
| Operating Temperature Range | -40°C to +125°C (TJ) |
| Package | 24-lead LFCSP (4 mm × 4 mm) |
Key Features
- Programmable switching frequency and soft start
- External compensation and enable/power-good pins
- Accurate current limit and voltage tracking input
- Protection features: undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown (TSD)
- High efficiency and low output ripple voltage
- Support for startup into a precharged output
- Available in fixed output voltage options (e.g., 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, 1.0 V)
Applications
- Point of load regulation
- Communications and networking
- High-end consumer electronics
- Industrial, instrumentation, and healthcare applications
Q & A
- What is the input voltage range of the ADP2165ACPZ-1.8-R7?
The input voltage range is from 2.7 V to 5.5 V.
- What are the fixed output voltage options available for this regulator?
The fixed output voltage options include 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V.
- What is the maximum output current of the ADP2165ACPZ-1.8-R7?
The maximum output current is up to 5 A.
- Can the switching frequency be adjusted?
- What are the key protection features of this regulator?
The key protection features include undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown (TSD).
- What is the operating temperature range of the ADP2165ACPZ-1.8-R7?
The operating temperature range is from -40°C to +125°C (TJ).
- What package type is the ADP2165ACPZ-1.8-R7 available in?
The regulator is available in a 24-lead LFCSP package (4 mm × 4 mm).
- Does the ADP2165ACPZ-1.8-R7 support synchronization with an external clock?
- What is the high-side on resistance of the ADP2165ACPZ-1.8-R7?
The high-side on resistance is 19 mΩ (VBST - VSW = 5 V) and 22 mΩ (VBST - VSW = 3.3 V).
- Is the ADP2165ACPZ-1.8-R7 RoHS compliant?
