Component Values shown are for V_IN = 15 V,
V_OUT = 5 V, I_LOAD = 2 A.
C_IN — 470-μF, 50-V, Aluminum Electrolytic Nichicon PM Series
C_OUT — 220-μF, 25-V Aluminum Electrolytic, Nichicon PM Series
D1 — 3.3-A, 60-V Schottky Rectifier, 31DQ06 (International Rectifier)
L1 — 33 μH, See Application Curves

Select R₁ to be approximately 1 kΩ, use a 1% resistor for best stability.
Component Values shown are for V_IN = 20 V,
V_OUT = 10 V, I_LOAD = 2 A.
C_IN: — 470-μF, 35-V, Aluminum Electrolytic Nichicon PM Series
C_OUT: — 220-μF, 35-V Aluminum Electrolytic, Nichicon PM Series
D1 — 3.3-A, 60-V Schottky Rectifier, 31DQ06 (International Rectifier)
L1 — 47 μH, See Application Curves
R₁ — 1 kΩ, 1%
R₂ — 7.15k, 1%
C_FF — 3.3 nF
Typical Values
C_SS — 0.1 μF
C_DELAY — 0.1 μF
R_PULLUP — 4.7k (use 22k if V_OUT is ≥ 45 V)
† Small signal Schottky diode to prevent damage to feedback pin by negative spike when output is shorted. Required if V_IN > 40 V