EA4524YH Datasheet, PDF (9/16 Pages) Active-Semi, Inc – 40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection

ACT4524
Rev 1.1, 22-Feb-16
Figure 1:
Typical Application Circuit for 5V/3.4A Car Charger
6.0V to 36V
C1
C2 C3
47µ F ^{0.1µ F} 10µ F
R1 0Ω
CSN2 CSN1 HSB
IN
SW
ACT4524
CSP
GND CLK MODE
R2
5.1Ω
C5
2.2nF
C4
22nF
L1 33µ H
D1
S54
C6
10µ F
Rcs2 50m
Rcs1 25m
Vout1
R5
R6
43.2k 43.2k
R3 R4
49.9k 49.9k
5.10V/2.4A
VDD
D-
D+
GND
C8
2.2µ F
Vout2
C7
220uF
C9
2.2µ F R7
200Ω
5.10V/1.0A
VDD
D-
D+
GND
BOM List for 5V/3.4A Car Charger
ITEM REFERENCE
DESCRIPTION
1
U1
IC, ACT4524YH-T, SOP-8EP
2
C1
Capacitor, Electrolytic, 47uF/35V, 6.3х7mm
3
C2
Capacitor, Ceramic, 0.1µF/35V, 0805, SMD
4
C3
Capacitor, Ceramic, 10µF/35V, 1206, SMD
5
C4
Capacitor, Ceramic, 22nF/25V, 0603, SMD
6
C5
Capacitor, Ceramic, 2.2nF/10V, 0603, SMD, optional
7
C6
Capacitor, Ceramic, 10uF/10V, 1206, SMD
8
C7
Capacitor, Electrolytic, 220uF/10V, 6.3х7mm
9
C8, C9
Capacitor, Ceramic, 2.2µF/10V, 0805, SMD
10
L1
Inductor, 33µH, 6.0A, 20%, DCR=15mΩ
11
D1
Diode, Schottky, 40V/5A, S54
12
R1
Chip Resistor, 0Ω, 1/10W, 5%, 0603
13
R2
Chip Resistor, 5.1Ω, 1/8W, 5%, 0805, optional
14
Rcs1
Chip Resistor, 25mΩ, 1/4W, 1%, 1206
15
Rcs2
Chip Resistor, 50mΩ, 1/4W, 1%, 1206
16
R3, R4
Chip Resistor, 49.9kΩ, 1/10W, 5%, 0603
17
R5, R6
Chip Resistor, 43.2kΩ, 1/10W, 5%, 0603
18
R7
Chip Resistor, 200Ω, 1/10W, 5%, 0603
19
USB
USB Rev A
Innovative Power^TM
-9-
MANUFACTURER
Active-Semi
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Vishay
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
Murata, TDK
QTY
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