ACT4060A Просмотр технического описания (PDF) - Unspecified
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ACT4060A Datasheet PDF : 11 Pages
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Figure 3:
ACT4060A 3.3V/2A Output Applicationc
ACT4060A
Rev 0, 28-Apr-09
Up to 24V
VIN
ENABLE
BS
IN
SW
IC1
ACT4060A
EN
FB
G
COMP
C3
L1
R1
+
C1
C2
R2
D1
C5
R3
(OPTIONAL)
VOUT
C4
c: D1 is a 40V, 3A Schottky diode with low forward voltage, an IR 30BQ040 or SK34 equivalent. C4 can be either a ceramic capacitor
(Panasonic ECJ-3YB1C226M) or SP-CAP (Specialty Polymer) Aluminum Electrolytic Capacitor such as Panasonic EEFCD0J470XR.
The SP-Cap is based on aluminum electrolytic capacitor technology, but uses a solid polymer electrolyte and has very stable capaci-
tance characteristics in both operating temperature and frequency compared to ceramic, polymer, and low ESR tantalum capacitors.
Table 3:
ACT4060A Bill of Materials (Apply for 3.3V Output Application)
ITEM
DESCRIPTION
MANUFACTURER QTY REFERENCE
1 IC, ACT4060A
Active-Semi
1 U1
15µH ± 20%, ISAT = 2.7A, IDC = 2.4A@ ΔT = 40°C Taiyo Yuden NR 8040T 150M
15µH ± 10%, ISAT = 2.88A, IDC = 2.47A@ ΔT = 40°C Wurth Electronik 744776115
2
1 L1
10µH ± 20%, ISAT = 3.4A, IDC = 2.5A@ΔT = 40°C Taiyo Yuden NR 6045T 100M
10µH ± 10%, ISAT = 2.95A, IDC = 2.3A@ ΔT = 40°C Wurth Electronik 74477510
Schottky Diode SK34/40V, 3A, SMB
3
Schottky Diode B340C/40V, 3A, SMB
Transys electronics
Diodes Inc
1
D1
1
4 Ceramic cap 10µF/35V, X7R, 1210
Murata, TDK,Taiyo Yuden
1 C1
5 Ceramic cap 2.2nF/6.3V, X7R, 0603
Murata, TDK,Taiyo Yuden
1 C2
6 Ceramic cap 10nF/50V, X7R, 0603
Murata, TDK,Taiyo Yuden
1 C3
Ceramic cap 22µF/10V, X7R, 1210
7
SP cap 47µF/6.3V, 50mΩ
Murata, TDK,Taiyo Yuden
Kemet, Panasonic
1 C4
8 Ceramic cap 220pF/6.3V, X7R, 0603
Murata, TDK,Taiyo Yuden
1 C5 (OPTIONAL)
9 Resistor, 15.5kΩ, 1/16W, 1%, 0603
R1
10 Resistor, 10kΩ, 1/16W, 1%, 0603
FengHua, Neohm, Yageo
1 R2
11 Resistor, 12kΩ, 1/16W, 5%, 0603
R3
Innovative PowerTM
-7-
www.active-semi.com
Copyright © 2009 Active-Semi, Inc.
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