ADP2118 - ADI

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

Part No

ADP2118
Manufacturer

ADI
ChipWorker Part#

CW389476260
RoHS

Lead free / RoHS Compliant
Description

3A, 1.2MHz/600kHz High Efficiency Synchronous Step-Down DC-to-DC Converter
Documentation

Datasheet

ADP2118 Global Supplier

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ADP2118 Specifications

Attribute	Attribute Value

Part Number	ADP2118
Manufacturer	ADI
ChipWorker Part#	CW389476260
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The ADP2118 is a low quiescent current, synchronous, step-down, dc-to-dc regulator in a compact 4mm × 4mm LFCSP package. It uses a current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response. Under light loads, the ADP2118 can be configured to operate in pulse frequency modulation (PFM) mode that reduces switching frequency to save power.
The ADP2118 runs from input voltages of 2.3 V to 5.5 V. The output voltage of the ADP2118ACPZ-R7 is adjustable from 0.6 V to input voltage (VIN), and the ADP2118ACPZ-x.x-R7 are available in preset output voltage options of 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V. The ADP2118 requires minimal external parts and provides a high efficiency solution with its integrated power switch, synchronous rectifier, and internal compensation. The IC draws less than 3 μA from the input source when it is disabled. Other key features include undervoltage lockout (UVLO), integrated soft start to limit inrush current at startup, overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown (TSD).
**Applications**
Point of load conversion
Communications and networking equipments
Industrial and instrumentation
Consumer electronics
Medical appliances
### Features and Benefits
3 A continuous output current
75 mΩ and 40 mΩ integrated FET
±1.5% output accuracy
Input voltage range from 2.3 V to 5.5 V
Output voltage from 0.6 V to VIN
600 kHz or 1.2 MHz fixed switching frequency
Synchronizable between 600 kHz and 1.4 MHz
Selectable synchronize phase shift: 0o or 180o
Selectable PWM or PFM mode operation
Current mode architecture
Precision enable input
Power good output
Voltage tracking input
Integrated soft start
Internal compensation
Starts up into a precharged output
UVLO, OVP, OCP, and thermal shutdown
Available in 16-lead 4mm × 4mm LFCSP package
Supported by ADIsimPower™ design tool

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