MAX8545/MAX8546/MAX8548
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
16 ______________________________________________________________________________________
QTY
1
1µF, 10V X7R ceramic capacitor
Taiyo Yuden LMK212BJ105MG
C2
0
1
470µF, 35V, 39mΩ, 1.45A aluminum
electrolytic capacitor
SANYO 35MV470AX
(10 x 22 case size)
C4, C12
2
1µF, 35V X7R ceramic capacitors
Taiyo Yuden GMK316BJ105ML
3
0.1µF, 10V X7R ceramic capacitors
Kemet C0603C104M8RAC
C6, C7
2
1000µF, 6.3V, 69mΩ, 0.8A aluminum
electrolytic capacitors
SANYO 6.3MV1000AX
(8 x 20 case size)
C10
1
6.8nF, 10V X7R ceramic capacitor
Kemet C0603C6822M8RAC
C11
0
2
30V, 100mA Schottky diodes
Central Semiconductor CMPSH-3
L1
1
8.2µH, 5.8A, 9.5mΩ inductor
Sumida CEP125-8R2
Q1
1
30V, 35mΩ, dual n-channel, 8-pin SO
Fairchild FDS6912A
R1
1
1
1
1
COMPONENT QTY DESCRIPTION
C1 1
1µF, 10V X7R ceramic capacitor
Taiyo Yuden LMK212BJ105MG
C2, C3 2
470µF, 35V, 39mΩ, 1.45A aluminum
electrolytic capacitors
SANYO 35MV470AX
(10 x 22 case size)
C4, C12 2
1µF, 35V X7R ceramic capacitors
Taiyo Yuden GMK316BJ105ML
C5, C8, C9 3
0.1µF, 10V X7R ceramic capacitors
Kemet C0603C104M8RAC
C6, C7 2
1500µF, 6.3V, 44mΩ, 1.25A aluminum
electrolytic capacitors
SANYO 6.3MV1500AX
(10 x 20 case size)
C10 1
6.8nF, 10V X7R ceramic capacitor
Kemet C0603C682M8RAC
C11 0 Not installed
D1, D2 2
30V, 100mA Schottky diodes
Central Semiconductor CMPSH-3
L1 1
4µH, 8.3A, 6.6mΩ inductor
Sumida CEP125-4R0
Q1 1
30V, 18mΩ (LSFET)/35mΩ (HSFET),
dual n-channel, 8-pin SO
Fairchild FDS6982
R1 1 10Ω ±5% resistor
R2 1 68kΩ ±5% resistor
R3 1 8.66kΩ ±1% resistor
R4 1 4.02kΩ ±1% resistor
Table 2a. Component Selection for
Standard Applications for V
IN
= 10V to
24V, V
OUT
= 2.5V / 3A (Figure 2)
(MAX8546 Only)
Table 2b. Component Selection for
Standard Applications for V
IN
= 10V to
24V, V
OUT
= 2.5V / 6A (Figure 2)
(MAX8546 Only)