1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
Table 2. Typical External Components Selection (Circuit of Figure 2) (continued)
VIN (V)
9 to 14
VOUT (V)
3.3
5
IOUT (A)
1
1
EXTERNAL COMPONENTS
CIN = 220µF, Panasonic, EEVFK1E221P
COUT = 68µF, Vishay Sprague, 594D686X_010C2T
CBST = 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 274kΩ ±1%, 0805
D1 = B220, Diodes Inc.
L1 = 100µH, Coilcraft Inc., DO5022P-104
CIN = 220µF, Panasonic, EEVFK1E221P
COUT = 68µF, Vishay Sprague, 594D686X_010C2T
CBST = 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 274kΩ ±1%, 0805
D1 = B220, Diodes Inc.
L1 = 100µH, Coilcraft Inc., DO5022P-104
CIN = 220µF, Panasonic, EEVFK1H221P
COUT = 68µF, Vishay Sprague, 594D686X_010C2T
CBST = 0.1µF, 0805
3.3
1
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 100µH, Coilcraft Inc., DO5022P-104
18 to 36
5
CIN = 220µF, Panasonic, EEVFK1H221P
COUT = 68µF, Vishay Sprague, 594D686X_010C2T
CBST = 0.1µF, 0805
1
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 100µH, Coilcraft Inc., DO5022P-104
CIN = 220µF, Panasonic, EEVFK1H221P
COUT = 15µF, Vishay Sprague, 594D156X_0025C2T
CBST = 0.1µF, 0805
12
1
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 220µH, Coilcraft Inc., DO5022P-224
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