ADP1870ACPZ-0.3-R7 Analog Devices Inc, ADP1870ACPZ-0.3-R7 Datasheet - Page 34

• Manufacturer Part Number: ADP1870ACPZ-0.3-R7
• Description: 300kHz, Light Load Eff Enabled
• Manufacturer: Analog Devices Inc

Specifications of ADP1870ACPZ-0.3-R7

• Frequency - Max: 300kHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 84%
• Voltage - Supply: 2.95 V ~ 20 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 10-WFDFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1870ACPZ-0.3-R7; ADP1870ACPZ-0.3-R7TR

ADP1870/ADP1871
SEPARATE ANALOG GROUND
PLANE FOR THE ANALOG
COMPONENTS (THAT IS,
COMPENSATION AND
FEEDBACK RESISTORS).
BYPASS POWER CAPACITOR (C1)
FOR VREG BIAS DECOUPLING
AND HIGH FREQUENCY
CAPACITOR (C2) AS CLOSE AS
POSSIBLE TO THE IC.
SENSITIVE ANALOG
COMPONENTS
LOCATED FAR
FROM THE NOISY
POWER SECTION.
INPUT CAPACITORS
ARE MOUNTED CLOSE
TO DRAIN OF Q1/Q2
AND SOURCE OF Q3/Q4.
Figure 86. Overall Layout of the ADP1870 High Current Evaluation Board
Rev. A | Page 34 of 44
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