SNVSCM7 December 2023 LMR38015-Q1
PRODUCTION DATA
Figure 8-1 shows a typical application circuit for the LMR38015-Q1. This device is designed to function over a wide range of external components and system parameters. However, the internal compensation is designed for a certain range of external inductance and output capacitance. As a quick-start guide, Table 8-1 provides typical component values for a range of the most common output voltages.
ƒSW (kHz) |
VIN (V) Typical |
VOUT (V) | L (µH) | NOMINAL COUT (RATED CAPACITANCE) | MINIMUM COUT (RATED CAPACITANCE) | RFBT (Ω) | RFBB (Ω) |
---|---|---|---|---|---|---|---|
400 |
48 |
5 |
27 |
2 × 22 µF |
2 × 15 µF | 100 k | 24.9 k |
400 |
48 |
12 |
33 |
2 × 22 µF |
2 × 15 µF | 100 k | 9.09 k |
1000 |
12 |
3.3 |
6.8 |
3 × 22 µF | 2 × 22 µF | 100 k | 24.9 k |
1000 |
48 |
24 |
33 |
3 × 4.7 µF | 1 × 10 µF | 100 k | 4.32 k |
2100 |
24 |
5 |
4.7 |
2 × 22 µF | 2 × 15 µF | 100 k | 24.9 k |