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AP64303Q Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP64303Q
Description  3.8V TO 40V INPUT AUTOMOTIVE GRADE 3A LOW IQ SYNCHRONOUS BUCK CONVERTER
PDF  25 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP64303Q Datasheet(HTML) 2 Page - Diodes Incorporated

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AP64303Q
Document number: DS46204 Rev. 2 - 2
2 of 25
www.diodes.com
August 2024
© 2024 Copyright Diodes Incorporated. All Rights Reserved.
AP64303Q
Typical Applications Circuit
AP64303Q
L1
R1
R2
C3
0.1
µF
C2
2x22
μF
C1
10
μF
ON
OFF
VIN
FS
EN
VCC
SW
BST
FB
C5
1
µF
PGND
INPUT
OUTPUT
VOUT
VIN
PG
PG
VCC
C4
SS/TR
BIAS
VOUT
GND
MSYNC
Figure 1. Typical Application Circuit
Figure 2. PFM Efficiency vs. Output Current, VIN = 12V, fSW = 500kHz
Figure 3. PWM Efficiency vs. Output Current, VIN = 12V, fSW = 500kHz
50
55
60
65
70
75
80
85
90
95
100
0.001
0.010
0.100
1.000
10.000
IOUT (A)
VOUT=5V
VOUT=3.3V
0
10
20
30
40
50
60
70
80
90
100
0.001
0.010
0.100
1.000
10.000
IOUT (A)
VOUT=5V
VOUT=3.3V



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