Overview
The ADP5301ACBZ-1-R7, produced by Analog Devices Inc., is a high-efficiency, ultralow quiescent current step-down regulator. This device is designed to provide excellent power management with minimal power consumption, making it ideal for battery-powered applications. It operates from an input startup voltage range of 2.15 V to 6.50 V, allowing the use of various power sources such as alkaline, NiMH, Li-Ion cells, or other batteries. The regulator can be configured in either hysteresis mode or PWM mode via the SYNC/MODE pin, offering flexibility in meeting different system requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.15 | - | 6.50 | V |
| Output Voltage Range | 0.8 | - | 5.0 | V |
| Output Current (Hysteresis Mode) | - | - | 50 | mA |
| Output Current (PWM Mode) | - | - | 500 | mA |
| Quiescent Current (No Load) | - | 180 | - | nA |
| Switching Frequency (PWM Mode) | - | 2 | - | MHz |
| Junction Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | 9-ball WLCSP | - |
| Package Dimensions | - | - | 1.65 mm × 1.87 mm | - |
Key Features
- High Efficiency: Achieves excellent efficiency in both hysteresis and PWM modes.
- Ultralow Quiescent Current: Draws only 180 nA quiescent current at no load.
- Flexible Operation Modes: Can operate in either hysteresis mode or PWM mode via the SYNC/MODE pin.
- Output Voltage Adjustability: Output voltage is selectable from 0.8 V to 5.0 V using an external VID resistor or factory fuse.
- Safety Features: Includes overcurrent protection (OCP), thermal shutdown (TSD), and input undervoltage lockout (UVLO).
- Quick Output Discharge (QOD): Optional factory programmable discharge switch from the switching node to ground.
- VOUTOK Flag: Monitors the output voltage.
- Precharged Start-Up Feature: Protects the low-side MOSFET from damage during startup.
Applications
The ADP5301ACBZ-1-R7 is suitable for a variety of applications requiring high efficiency and low power consumption, such as:
- Battery-powered devices.
- Portable electronics.
- Wearable devices.
- Internet of Things (IoT) devices.
- Low-power industrial and medical devices.
Q & A
- What is the input voltage range of the ADP5301ACBZ-1-R7?
The input voltage range is from 2.15 V to 6.50 V. - What are the output current capabilities in hysteresis and PWM modes?
In hysteresis mode, the output current is up to 50 mA, and in PWM mode, it is up to 500 mA. - How is the output voltage adjusted?
The output voltage is adjustable from 0.8 V to 5.0 V using an external VID resistor or factory fuse. - What safety features does the ADP5301ACBZ-1-R7 include?
It includes overcurrent protection (OCP), thermal shutdown (TSD), and input undervoltage lockout (UVLO). - What is the quiescent current at no load?
The quiescent current at no load is 180 nA. - Can the ADP5301ACBZ-1-R7 operate in different modes?
Yes, it can operate in either hysteresis mode or PWM mode via the SYNC/MODE pin. - What is the switching frequency in PWM mode?
The switching frequency in PWM mode is 2 MHz. - What is the junction temperature range of the ADP5301ACBZ-1-R7?
The junction temperature range is from -40°C to +125°C. - What package type and dimensions does the ADP5301ACBZ-1-R7 come in?
It comes in a 9-ball WLCSP package with dimensions of 1.65 mm × 1.87 mm. - Does the ADP5301ACBZ-1-R7 have a quick output discharge feature?
Yes, it has an optional factory programmable discharge switch from the switching node to ground.
