MAX8543/MAX8544
Step-Down Controllers with Prebias Startup,
Lossless Sensing, Synchronization, and OVP
______________________________________________________________________________________ 13
Table 1. Suggested Components for Figure 1
DESIGNATION QTY DESCRIPTION
C1 1
1µF ±20%, 16V X5R ceramic capacitor (0603)
Panasonic ECJ1VB1C105M or equivalent
C2 1
10µF ±20%, 6.3V X5R ceramic capacitor (0805)
Panasonic ECJ2FB0J106M or Taiyo Yuden JMK212BJ106MG
C3 1
0.1µF ±10%, 50V X7R ceramic capacitor (0603)
TDK C1608X7R1H104KT or equivalent
C4A, C4B, C4C 2
10µF ±20%, 16V X5R ceramic capacitors (1206)
Panasonic ECJ3YB1C106M or equivalent
C5 1
0.22µF ±10%, 10V X7R ceramic capacitor (0603)
Taiyo Yuden LMK107BJ224KA or equivalent
C6A, C6B 2
180µF, 4V aluminum poly SPCAPs
Panasonic EEFUE0G181XR
C7 1 10pF, 50V C0G ceramic capacitor (0603)
C8 1 220pF ±10%, 50V X7R ceramic capacitor (0603)
C9, C10 2 0.47µF ±10% X7R ceramic capacitors (0603)
C11 1 100pF, 50V C0G ceramic capacitor (0603)
C12 1
470µF ±20%, 16V aluminum electrolytic capacitor
Rubycon 16MBZ470M
D1 1
100mA, 30V Schottky diode (SOT-323)
Central CMSSH-3
D2 1
250mA, 100V switching diode (SOT23)
Central CMPD914
L1 1
0.82µH, 33A, 1.6mΩ inductor
Vishay IHLP-5050FD-01 0.82µH
N1, N2 2
N-channel MOSFETs
IRF IRF7821
N3, N4 2
N-channel MOSFETs
IRF IRF7832
R1 1 17.4kΩ ±1% resistor (0603)
R2 1 8.06kΩ ±1% resistor (0603)
R3 1 220kΩ ±5% resistor (0603)
R4, R5 2 1.3kΩ ±5% resistors (0603)
R6 1 42.2kΩ ±1% resistor (0603)
R7 1 90.9kΩ ±1% resistor (0603)
R8 1 9.31kΩ ±1% resistor (0603)
R9 1 100kΩ ±5% resistor (0603)
