10v to 24v, v – Rainbow Electronics MAX8548 User Manual
Page 16
MAX8545/MAX8546/MAX8548
Low-Cost, Wide Input Range, Step-Down
Controllers with Foldback Current Limit
16
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COMPONENT QTY
DESCRIPTION
C1
1
1µF, 10V X7R ceramic capacitor
Taiyo Yuden LMK212BJ105MG
C2
0
Not installed
C3
1
470µF, 35V, 39m
Ω, 1.45A aluminum
electrolytic capacitor
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
1000µF, 6.3V, 69m
Ω, 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
Not installed
D1, D2
2
30V, 100mA Schottky diodes
Central Semiconductor CMPSH-3
L1
1
8.2µH, 5.8A, 9.5m
Ω inductor
Sumida CEP125-8R2
Q1
1
30V, 35m
Ω dual N-channel 8-pin SO
Fairchild FDS6912A
R1
1
10
Ω ±5% resistor
R2
1
82k
Ω ±5% resistor
R3
1
8.66k
Ω ±1% resistor
R4
1
4.02k
Ω ±1% resistor
COMPONENT QTY
DESCRIPTION
C1
1
1µF, 10V X7R ceramic capacitor
Taiyo Yuden LMK212BJ105MG
C2, C3
2
470µF, 35V, 39m
Ω, 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, 44m
Ω, 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, 6.6m
Ω inductor
Sumida CEP125-4R0
Q1
1
30V, 18m
Ω (LSFET)/35mΩ (HSFET)
dual N-channel 8-pin SO
Fairchild FDS6982
R1
1
10
Ω ±5% resistor
R2
1
68k
Ω ±5% resistor
R3
1
8.66k
Ω ±1% resistor
R4
1
4.02k
Ω ±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)