Overview
The ADP2109ACBZ-1.0-R7 is a high-efficiency, low quiescent current step-down DC-to-DC converter produced by Analog Devices Inc. This component is designed for use in portable and compact electronic devices, offering a robust and efficient power management solution. The ADP2109 operates with an input voltage range of 2.3 V to 5.5 V and can regulate an output voltage down to 1.0 V, making it suitable for single lithium or lithium polymer cell, multiple alkaline or NiMH cells, and other standard power sources.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Input (Min) | 2.3 | V |
| Voltage - Input (Max) | 5.5 | V |
| Voltage - Output (Fixed) | 1.0 | V |
| Current - Output | 600 | mA |
| Frequency - Switching | 3 | MHz |
| Synchronous Rectifier | Yes | |
| Operating Temperature | -40°C to 85°C | |
| Package / Case | 5-WFBGA, WLCSP | |
| Mounting Type | Surface Mount |
Key Features
- High efficiency, low quiescent current step-down DC-to-DC converter.
- Internal discharge switch for automatic discharge of the output capacitor.
- Fixed frequency, high speed current mode PWM control architecture for excellent stability and transient response.
- Power save mode to reduce switching frequency under light load conditions, ensuring longest battery life.
- Internal soft start to prevent input current overshoot at startup.
- Undervoltage lockout to prevent deep battery discharge.
- Thermal shutdown protection and current overload protection.
- Ultra-small 5-ball WLCSP package, requiring only three tiny external components.
- Supported by ADIsimPower™ design tool.
Applications
- PDAs and palmtop computers.
- Wireless handsets.
- Digital audio and portable media players.
- Digital cameras and GPS navigation units.
Q & A
- What is the input voltage range of the ADP2109ACBZ-1.0-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the fixed output voltage of the ADP2109ACBZ-1.0-R7?
The fixed output voltage is 1.0 V.
- What is the maximum load current of the ADP2109ACBZ-1.0-R7?
The maximum load current is 600 mA.
- What is the switching frequency of the ADP2109ACBZ-1.0-R7?
The switching frequency is 3 MHz.
- Does the ADP2109ACBZ-1.0-R7 have an internal synchronous rectifier?
Yes, it does.
- What is the operating temperature range of the ADP2109ACBZ-1.0-R7?
The operating temperature range is from -40°C to 85°C.
- What type of package does the ADP2109ACBZ-1.0-R7 come in?
The package is a 5-WFBGA or WLCSP.
- Does the ADP2109ACBZ-1.0-R7 have thermal shutdown protection?
Yes, it does.
- What is the purpose of the power save mode in the ADP2109ACBZ-1.0-R7?
The power save mode reduces the switching frequency under light load conditions to lower regulation power losses and extend battery life.
- Is the ADP2109ACBZ-1.0-R7 RoHS compliant?
Yes, it is RoHS compliant and lead-free.
