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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- Product Details
- The ADP2108 is a high efficiency, low quiescent current step-down dc-to-dc converter manufactured in two different packages. The total solution requires only three tiny external components. It uses a proprietary, high speed current mode, constant frequency PWM control scheme for excellent stability and transient response. To ensure the longest battery life in portable applications, the ADP2108 has a power save mode that reduces the switching frequency under light load conditions.
- The ADP2108 runs on input voltages of 2.3 V to 5.5 V, which allows for single lithium or lithium polymer cell, multiple alkaline or NiMH cell, PCMCIA, USB, and other standard power sources. The maximum load current of 600 mA is achievable across the input voltage range.
- The ADP2108 is available in fixed output voltages of 3.3 V, 3.0 V, 2.5 V, 2.3 V, 1.82 V, 1.8 V, 1.5 V, 1.3 V, 1.2 V, 1.1 V, and 1.0 V. All versions include an internal power switch and synchronous rect-ifier for minimal external part count and high efficiency. The ADP2108 has an internal soft start and is internally compensated. During logic controlled shutdown, the input is disconnected from the output and the ADP2108 draws less than 1 μA from the input source.
- Other key features include undervoltage lockout to prevent deep battery discharge and soft start to prevent input current over-shoot at startup. The ADP2108 is available in 5-ball WLCSP and 5-lead TSOT packages. The ADP2109 provides the same features and operations as the ADP2108 and has the additional function of a discharge switch in the WLCSP package.
- **Applications**
- * PDAs and palmtop computers
- * Wireless handsets
- * Digital audio, portable media players
- * Digital cameras, GPS navigation units
- ### Features and Benefits
- Peak efficiency: 95%
- 3 MHz fixed frequency operation
- Typical quiescent current: 18 μA
- Maximum load current: 600 mA
- Input voltage: 2.3 V to 5.5 V
- Uses tiny multilayer inductors and capacitors
- Current mode architecture for fast load and line transient response
- 100% duty cycle low dropout mode
- Internal synchronous rectifier
- Internal soft start
- See data sheet for additional Information
ADP2108 Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Show | |
| Product Lifecycle Status | Active |
| RoHS | RoHS Compliant |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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