Datasheet

1A, 76V, High-Efficiency MAXPower
Step-Down DC-DC Converter
V
IN
(V) V
OUT
(V) I
OUT
(A) EXTERNAL COMPONENTS
3.3 1
C
IN
= 220µF, Panasonic, EEVFK1E221P
C
OUT
= 68µF, Vishay Sprague, 594D686X_010C2T
C
BST
= 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 274kΩ ±1%, 0805
D1 = B220, Diodes Inc.
L1 = 100µH, Coilcraft Inc., DO5022P-104
9 to 14
51
C
IN
= 220µF, Panasonic, EEVFK1E221P
C
OUT
= 68µF, Vishay Sprague, 594D686X_010C2T
C
BST
= 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 274kΩ ±1%, 0805
D1 = B220, Diodes Inc.
L1 = 100µH, Coilcraft Inc., DO5022P-104
3.3 1
C
IN
= 220µF, Panasonic, EEVFK1H221P
C
OUT
= 68µF, Vishay Sprague, 594D686X_010C2T
C
BST
= 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 100µH, Coilcraft Inc., DO5022P-104
51
C
IN
= 220µF, Panasonic, EEVFK1H221P
C
OUT
= 68µF, Vishay Sprague, 594D686X_010C2T
C
BST
= 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 100µH, Coilcraft Inc., DO5022P-104
18 to 36
12 1
C
IN
= 220µF, Panasonic, EEVFK1H221P
C
OUT
= 15µF, Vishay Sprague, 594D156X_0025C2T
C
BST
= 0.1µF, 0805
R1 = 1MΩ ±1%, 0805
R2 = 130kΩ ±1%, 0805
D1 = MBRS2040, ON Semiconductor
L1 = 220µH, Coilcraft Inc., DO5022P-224
Table 2. Typical External Components Selection (Circuit of Figure 2) (continued)
MAX5035
14
Maxim Integrated