ADP2119-EVALZ Analog Devices Inc, ADP2119-EVALZ Datasheet

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ADP2119-EVALZ

Manufacturer Part Number
ADP2119-EVALZ
Description
Step-Down Regulator Eval. Board
Manufacturer
Analog Devices Inc
Datasheets

Specifications of ADP2119-EVALZ

Silicon Manufacturer
Analog Devices
Application Sub Type
Step Down DC/DC Converter
Kit Application Type
Power Management - Voltage Regulator
Silicon Core Number
ADP2119
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
0.6V ~ Vin
Current - Output
2A
Voltage - Input
2.3 ~ 5.5 V
Regulator Topology
Buck
Frequency - Switching
1.2MHz
Board Type
Fully Populated
Utilized Ic / Part
ADP2119
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
GENERAL DESCRIPTION
The
regulators in a compact 3 mm × 3 mm LFCSP_WD package.
The ADP2119/ADP2120 evaluation boards provide an easy way
to evaluate the device. This user guide describes how to quickly
set up the board to collect performance data. Full details on the
ADP2119/ADP2120 are available in the ADP2119/ADP2120
data sheet, which is available from Analog Devices, Inc., and
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
ADP2119/ADP2120
Evaluation Board for the ADP2119/ADP2120 Step-Down Regulator
Figure 1. ADP2119 Evaluation Board
are synchronous, step-down, dc-to-dc
ADP2119/ADP2120 EVALUATION BOARDS
Rev. 0 | Page 1 of 8
should be consulted in conjunction with this user guide when
using the evaluation boards.
The ADP2119/ADP2120 run from input voltages of 2.3 V to 5.5 V
and require minimal external components to provide a high
efficiency solution with integrated power switch, synchronous
rectifier, and internal compensation.
Evaluation Board User Guide
Figure 2. ADP2120 Evaluation Board
UG-188

Related parts for ADP2119-EVALZ

ADP2119-EVALZ Summary of contents

Page 1

... Evaluation Board User Guide should be consulted in conjunction with this user guide when using the evaluation boards. The ADP2119/ADP2120 run from input voltages of 2 5.5 V and require minimal external components to provide a high efficiency solution with integrated power switch, synchronous rectifier, and internal compensation. ...

Page 2

... UG-188 TABLE OF CONTENTS General Description ......................................................................... 1 ADP2119/ADP2120 Evaluation Boards ........................................ 1 Revision History ............................................................................... 2 Setting Up the Evaluation Board .................................................... 3 Powering up the Evaluation Board ............................................ 3 Measuring Evaluation Board Performance............................... 3 REVISION HISTORY 9/10—Revision 0: Initial Version Evaluation Board User Guide Typical Performance Characteristics ..............................................5 Evaluation Board Schematics and Artwork...................................6 Evaluation Board Layout ..................................................................7 Ordering Information ...

Page 3

... Connect the positive (+) terminal of the output voltage measuring voltmeter to Test Point T4 and the negative (−) terminal to Test Point T5. Power On the Evaluation Board When the power source and load are connected to the ADP2119/ OUT ADP2120 evaluation board, it can be powered up for operation. OUT If the input power source is above 2 ...

Page 4

... By keeping the ground lengths of the oscilloscope probe as short as possible, true ripple can be measured. Output Voltage Change The ADP2119/ADP2120 evaluation board output is preset to 1.2 V; however, the output voltage can be adjusted using the following equation: + ⎛ ...

Page 5

... CH1 500mV CH2 5.00V M400µs A CH3 W CH3 5.00V CH4 2.00A Ω T 30.40% Figure 8. Soft Start (ADP2119 (AC) OUT CH1 50.0mV M200µs A CH3 W CH4 1.00A Ω T 596.000µs Figure 9. Load Transient (ADP2119, FPWM UG-188 820mA 3.60V = 1.2 V) OUT 880mA = 1.2 V) OUT ...

Page 6

... GND R1 10Ω C1 0.1µF U1 ADP2119 1 VIN 2 PVIN SYNC/MODE 1.5µH PGND 5 22µF GND 6. 10kΩ C5 OPTIONAL Figure 10. ADP2119 Evaluation Board Schematic R1 10Ω C1 0.1µF U1 ADP2120 1 VIN 2 PVIN SYNC/MODE 1.5µ PGND 22µF 5 GND 6. 10kΩ OPTIONAL T6 SW Figure 11. ADP2120 Evaluation Board Schematic Rev ...

Page 7

Evaluation Board User Guide EVALUATION BOARD LAYOUT Figure 12. Top Layer Figure 13. Bottom Layer Figure 14. Silkscreen Top Rev Page UG-188 ...

Page 8

... UG-188 ORDERING INFORMATION BILL OF MATERIALS Table 2. ADP2119 Evaluation Board Bill of Materials Qty Part Reference Type 1 C1 Capacitor 3 C2, C3, C4 Capacitor 1 C5 Capacitor 1 L1 Inductor 1 R1 Resistor 3 R2, R3, R4 Resistor T1,T2, T3, T4, T5, T6, T7 Test point 4 J1, J2, J4, J6 Connector 3 J3, J5, J7 Jumper Table 3. ADP2120 Evaluation Board Bill of Materials ...

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