SNVU180B April 2014 – January 2022 LMZ21700 , LMZ21701
3 Schematic, Bill of Materials, and PCB Layout
Figure 3-1 Evaluation Board
SchematicTable 3-1 Bill of Materials,
VIN = 5 V to 17 V, VOUT = 3.3 V,
IOUT (MAX) = 1000 mA (LMZ21701), 650 mA (LMZ21700)
IOUT (MAX) = 1000 mA (LMZ21701), 650 mA (LMZ21700)
| Designator | Description | Case Size | Manufacturer | Manufacturer P/N | Quantity |
|---|---|---|---|---|---|
| U1 | SIMPLE SWITCHER Nano Module | SIL0008E | Texas Instruments | LMZ21701SIL / LMZ21700SIL | 1 |
| CIN | CAP, CERM, 22 µF, 25 V, ±10%, X7R | 1210 | MuRata | GRM32ER71E226KE15L | 1 |
| COUT | CAP, CERM, 22 µF, 10 V, ±20%, X5R | 0805 | Taiyo Yuden | LMK212BJ226MG-T | 1 |
| CSS | CAP, CERM, 3300 pF, 50 V, ±10%, X7R | 0402 | MuRata | GRM155R71H332KA01D | 1 |
| J1 | Header, TH, 100 mil, 1x3, Gold plated | Samtec, Inc | TSW-103-07-G-S | 1 | |
| Rfbb | RES, 383 kΩ, 1%, 0.063 W | 0402 | Vishay-Dale | CRCW0402383KFKED | 1 |
| Rfbt | RES, 1.21 MΩ, 1%, 0.063 W | 0402 | Vishay-Dale | CRCW04021M21FKED | 1 |
| Rpg | RES, 10.0 kΩ, 1%, 0.063 W | 0402 | Vishay-Dale | CRCW040210K0FKED | 1 |
| Rs | RES, 10.0 Ω, 1%, 0.063 W | 0402 | Vishay-Dale | CRCW040210R0FKED | 1 |
| SH-J1 | Shunt, 100 mil, Gold plated, Black | Samtec, Inc | SNT-100-BK-G | 1 | |
| TT1-12 | Terminal, Turret, TH, Double | Keystone Electronics | 1502-2 | 8 | |
| Vout S+ | Test Point, TH, Miniature, Yellow | Keystone Electronics | 5004 | 1 |
Figure 3-2 Evaluation Board Top
Layer
Figure 3-4 Evaluation Board Mid Layer 2
Figure 3-3 Evaluation Board Mid Layer
1
Figure 3-5 Evaluation Board Bottom Layer