ADP2108 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

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Part No

ADP2108
Manufacturer

ADI
ChipWorker Part#

CW389481293
Description

Compact, 600mA, 3MHz, Step-Down DC-to-DC Converter
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

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ChipWorker Qualifications — ISO 9001, ISO 45001, ISO 14001, MA Certification. Over 11 years of experience, more than 1000 clients in Russia, support for small MOQ

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ADP2108 Specifications

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Attribute	Attribute Value

Part Number	ADP2108
Manufacturer	ADI
ChipWorker Part#	CW389481293
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active
RoHS	RoHS Compliant

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Product 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

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- Please check the technical specifications of the products when ordering.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
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