Overview
The ADP2108ACBZ-1.3-R7, manufactured by Analog Devices Inc., is a high-efficiency, low quiescent current step-down DC-to-DC converter. This component is designed to optimize power management in portable and battery-powered devices. It operates with a fixed frequency of 3 MHz and features a current mode architecture for fast load and line transient response. The converter is available in compact packages, including 5-ball WLCSP and 5-lead TSOT, making it suitable for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 5.5 V |
| Output Voltage | 1.3 V (fixed) |
| Maximum Load Current | 600 mA |
| Switching Frequency | 3 MHz |
| Quiescent Current | 18 μA (typical) |
| Shutdown Supply Current | 0.2 μA |
| Package Type | 5-ball WLCSP, 5-lead TSOT |
| Efficiency | Up to 95% |
Key Features
- High efficiency up to 95%
- Fixed 3 MHz switching frequency
- Low quiescent current of 18 μA (typical)
- Internal synchronous rectifier and power switch
- Internal compensation and soft start
- Current overload protection and thermal shutdown protection
- Undervoltage lockout to prevent deep battery discharge
- 100% duty cycle low dropout mode
- Power save mode for reduced switching frequency under light load conditions
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 ADP2108ACBZ-1.3-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum load current of the ADP2108ACBZ-1.3-R7?
The maximum load current is 600 mA.
- What is the switching frequency of the ADP2108ACBZ-1.3-R7?
The switching frequency is fixed at 3 MHz.
- What is the typical quiescent current of the ADP2108ACBZ-1.3-R7?
The typical quiescent current is 18 μA.
- Does the ADP2108ACBZ-1.3-R7 have internal protection features?
Yes, it includes current overload protection, thermal shutdown protection, and undervoltage lockout.
- What are the available package types for the ADP2108ACBZ-1.3-R7?
The component is available in 5-ball WLCSP and 5-lead TSOT packages.
- What is the efficiency of the ADP2108ACBZ-1.3-R7?
The efficiency can be up to 95%.
- Does the ADP2108ACBZ-1.3-R7 support power save mode?
Yes, it operates in a power save mode under light load conditions to reduce switching frequency and improve efficiency.
- What are some typical applications of the ADP2108ACBZ-1.3-R7?
It is used in PDAs, wireless handsets, digital audio players, digital cameras, and GPS navigation units.
- Is the ADP2108ACBZ-1.3-R7 internally compensated?
Yes, it has internal compensation and soft start.
