Overview
The ADP5301ACBZ-2-R7 is a high-efficiency, ultralow power step-down regulator produced by Analog Devices Inc. This regulator is designed to operate from an input startup voltage range of 2.15 V to 6.50 V, making it suitable for use with multiple alkaline/NiMH, Li-Ion cells, or other power sources. It features a compact 9-ball WLCSP package, measuring 1.65 mm × 1.87 mm, and is rated for a junction temperature range of −40°C to +125°C.
The ADP5301ACBZ-2-R7 is highly versatile, offering adjustable output voltage from 0.8 V to 5.0 V via an external VID resistor or factory fuse. It operates in both hysteresis and PWM modes, providing excellent efficiency and low system noise. The regulator includes several safety features such as overcurrent protection, thermal shutdown, and input undervoltage lockout.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Package Type | WLCSP-9 | |
| Input Voltage Range | 2.15 V to 6.50 V | V |
| Output Voltage Range | 0.8 V to 5.0 V | V |
| Maximum Output Current | 500 mA (PWM mode), 50 mA (Hysteresis mode) | mA |
| Switching Frequency | 2 MHz | Hz |
| Quiescent Current | 180 nA (no load) | nA |
| Operating Temperature Range | −40°C to +125°C | °C |
| RoHS Compliance | Yes |
Key Features
- High Efficiency and Low Quiescent Current: The ADP5301ACBZ-2-R7 draws only 180 nA of quiescent current at no load, making it highly efficient for battery-powered applications.
- Adjustable Output Voltage: The output voltage can be set from 0.8 V to 5.0 V using an external VID resistor or factory fuse.
- Dual Operating Modes: The regulator operates in both hysteresis and PWM modes, allowing for flexible configuration to meet different power management needs.
- Safety Features: Includes overcurrent protection, thermal shutdown, and input undervoltage lockout to ensure reliable operation.
- Quick Output Discharge (QOD): An optional, factory-programmable discharge switch helps in quickly discharging the output capacitor when the regulator is disabled.
- VOUTOK Flag: Monitors the output voltage and indicates when it is within the specified range.
- Compact Package: The 9-ball WLCSP package is small and suitable for space-constrained designs.
Applications
- Battery-Powered Devices: Ideal for devices powered by alkaline, NiMH, or Li-Ion batteries due to its wide input voltage range and low quiescent current.
- Portable Electronics: Suitable for use in handheld devices, wearables, and other portable electronics where power efficiency is crucial.
- Industrial and Medical Devices: Can be used in various industrial and medical applications requiring reliable and efficient power regulation.
- IoT Devices: Appropriate for Internet of Things (IoT) devices that require low power consumption and high efficiency.
Q & A
- What is the input voltage range of the ADP5301ACBZ-2-R7?
The input voltage range is from 2.15 V to 6.50 V.
- How can the output voltage be adjusted?
The output voltage can be adjusted from 0.8 V to 5.0 V using an external VID resistor or factory fuse.
- What are the operating modes of the ADP5301ACBZ-2-R7?
The regulator operates in both hysteresis and PWM modes.
- What is the maximum output current in PWM mode?
The maximum output current in PWM mode is 500 mA.
- What is the quiescent current of the ADP5301ACBZ-2-R7 at no load?
The quiescent current at no load is 180 nA.
- What safety features does the ADP5301ACBZ-2-R7 include?
The regulator includes overcurrent protection, thermal shutdown, and input undervoltage lockout.
- What is the operating temperature range of the ADP5301ACBZ-2-R7?
The operating temperature range is from −40°C to +125°C.
- Is the ADP5301ACBZ-2-R7 RoHS compliant?
Yes, the ADP5301ACBZ-2-R7 is RoHS compliant.
- What is the purpose of the VOUTOK flag in the ADP5301ACBZ-2-R7?
The VOUTOK flag monitors the output voltage and indicates when it is within the specified range.
- Can the ADP5301ACBZ-2-R7 synchronize with an external clock?
Yes, the SYNC/MODE pin can synchronize to an external clock from 1.5 MHz to 2.5 MHz.
