ADP1882-1.0-EVALZ Analog Devices Inc, ADP1882-1.0-EVALZ Datasheet - Page 34

• Manufacturer Part Number: ADP1882-1.0-EVALZ
• Description: 1 MHz Synchronous Current-Mode Buck Controller Eval. Board
• Manufacturer: Analog Devices Inc

Specifications of ADP1882-1.0-EVALZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: PWM Buck Controller
• Kit Application Type: Power Management - Voltage Regulator
• Silicon Core Number: ADP1882
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADP1882/ADP1883
SEPARATE ANALOG GROUND
PLANE FOR THE ANALOG
COMPONENTS (THAT IS,
COMPENSATION AND
FEEDBACK RESISTORS).
BYPASS POWER CAPACITOR (C1)
FOR VDD BIAS DECOUPLING AND
HIGH FREQUENCY CAPACITOR
(C2) AS CLOSE AS POSSIBLE TO
THE IC.
SENSITIVE ANALOG
COMPONENTS
LOCATED FAR
FROM THE NOISY
POWER SECTION.
Figure 84. Overall Layout of the ADP1882 High Current Evaluation Board
INPUT CAPACITORS
ARE MOUNTED CLOSE
TO DRAIN OF Q1/Q2
AND SOURCE OF Q3/Q4.
Figure 85. Layer 2 of Evaluation Board
Rev. 0 | Page 34 of 40
OUTPUT CAPACITORS
ARE MOUNTED ON THE
RIGHTMOST AREA OF
THE EVB, WRAPPING
BACK AROUND TO THE
MAIN POWER GROUND
PLANE, WHERE IT MEETS
WITH THE NEGATIVE
TERMINALS OF THE
INPUT CAPACITORS.