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MAX20021 Datasheet(PDF) 14 Page - Maxim Integrated Products

Part # MAX20021
Description  Step-Down DC-DC Converters
PDF  16 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX20021 Datasheet(HTML) 14 Page - Maxim Integrated Products

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MAX20021/MAX20022
Automotive Quad, Low-Voltage
Step-Down DC-DC Converters
www.maximintegrated.com
Maxim Integrated │ 14
3) Keep the power traces and load connections short. This
practice is essential for high efficiency. Use thick copper
PCBs (2oz vs. 1oz) to enhance full-load efficiency.
4) Use a single ground plane to reduce the chance of
ground potential differences. With a single ground
plane, enough isolation between analog return signals
and high-power signals must be maintained.
Typical Operating Circuit
PGND1
LX1
OUTS1
CONTROL
10µF
1.5µH
5V
3.3V
MAX20021
2.2µF
STEP-DOWN
PWM OUT1
1.0V TO 4.0V
1.0A
SYNC
SS OSC
PV1
EN
EN4
SEL
EN3
EN2
EN1
PG1
PG2
PG3
PG4
VOUT1
10kΩ
VOUT1
10kΩ
1µF
VA
GND
5V
PGND2
LX2
OUTS2
10µF
1.5µH
5V
1.25V
2.2µF
STEP-DOWN
PWM OUT2
1.0V TO 4.0V
500mA
PV2
EN
PGND4
LX4
OUTS4
10µF
1.5µH
5V
1.8V
2.2µF
STEP-DOWN
PWM OUT4
1.0V TO 4.0V
1.0A
PV4
EN
PGND3
LX3
OUTS3
10µF
1.5µH
5V
2.2µF
STEP-DOWN
PWM OUT3
1.0V TO 4.0V
500mA
PV3
EN
EP
2.65V
OR
1.8V



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