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LTM4637xY
20A DC/DC µModule Step-Down Regulator, BGA-133
Schematic Symbol
Pin Configuration (133 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | VIN | power_in |
| A2 | VIN | passive |
| A3 | VIN | passive |
| A4 | VIN | passive |
| A5 | VIN | passive |
| A6 | VIN | passive |
| A7 | INTVCC | power_out |
| A8 | MODE_PLLIN | input |
| A9 | TRACK/SS | passive |
| A10 | RUN | input |
| A11 | COMP | passive |
| A12 | MTP1 | no_connect |
| B1 | VIN | passive |
| B2 | VIN | passive |
| B3 | VIN | passive |
| B4 | VIN | passive |
| B5 | VIN | passive |
| B6 | VIN | passive |
| B7 | GND | power_in |
| B9 | GND | passive |
| B11 | MTP2 | no_connect |
| B12 | FSET | passive |
| C1 | VIN | passive |
| C2 | VIN | passive |
| C3 | VIN | passive |
| C4 | VIN | passive |
| C5 | VIN | passive |
| C6 | VIN | passive |
| C7 | GND | passive |
| C9 | GND | passive |
| C10 | MTP3 | no_connect |
| C11 | MTP4 | no_connect |
| C12 | MTP5 | no_connect |
| D1 | GND | passive |
| D2 | GND | passive |
| D3 | GND | passive |
| D4 | GND | passive |
| D5 | GND | passive |
| D6 | GND | passive |
| D8 | GND | passive |
| D9 | INTVCC | passive |
| D10 | TEMP | passive |
| D11 | MTP6 | no_connect |
| D12 | MTP7 | no_connect |
| E1 | GND | passive |
| E2 | GND | passive |
| E3 | GND | passive |
| E4 | GND | passive |
| E5 | GND | passive |
| E6 | GND | passive |
| E7 | GND | passive |
| E9 | GND | passive |
| E12 | EXTVCC | power_in |
| F1 | GND | passive |
| F2 | GND | passive |
| F3 | GND | passive |
| F4 | GND | passive |
| F5 | GND | passive |
| F6 | GND | passive |
| F7 | GND | passive |
| F8 | GND | passive |
| F9 | GND | passive |
| F11 | PGOOD | open_collector |
| F12 | VFB | input |
| G1 | GND | passive |
| G2 | GND | passive |
| G3 | GND | passive |
| G4 | GND | passive |
| G5 | GND | passive |
| G6 | GND | passive |
| G7 | GND | passive |
| G8 | GND | passive |
| G9 | GND | passive |
| G11 | SGND | power_in |
| G12 | PGOOD | open_collector |
| H1 | GND | passive |
| H2 | GND | passive |
| H3 | GND | passive |
| H4 | GND | passive |
| H5 | GND | passive |
| H6 | GND | passive |
| H7 | GND | passive |
| H8 | GND | passive |
| H9 | GND | passive |
| H11 | SGND | passive |
| H12 | SGND | passive |
| J1 | VOUT | power_out |
| J2 | VOUT | passive |
| J3 | VOUT | passive |
| J4 | VOUT | passive |
| J5 | VOUT | passive |
| J6 | VOUT | passive |
| J7 | VOUT | passive |
| J8 | VOUT | passive |
| J9 | VOUT | passive |
| J10 | VOUT | passive |
| J12 | VOSNS+ | input |
| K1 | VOUT | passive |
| K2 | VOUT | passive |
| K3 | VOUT | passive |
| K4 | VOUT | passive |
| K5 | VOUT | passive |
| K6 | VOUT | passive |
| K7 | VOUT | passive |
| K8 | VOUT | passive |
| K9 | VOUT | passive |
| K10 | VOUT | passive |
| K11 | VOUT | passive |
| K12 | DIFF_OUT | output |
| L1 | VOUT | passive |
| L2 | VOUT | passive |
| L3 | VOUT | passive |
| L4 | VOUT | passive |
| L5 | VOUT | passive |
| L6 | VOUT | passive |
| L7 | VOUT | passive |
| L8 | VOUT | passive |
| L9 | VOUT | passive |
| L10 | VOUT | passive |
| L11 | VOUT | passive |
| L12 | VOUT_LCL | input |
| M1 | VOUT | passive |
| M2 | VOUT | passive |
| M3 | VOUT | passive |
| M4 | VOUT | passive |
| M5 | VOUT | passive |
| M6 | VOUT | passive |
| M7 | VOUT | passive |
| M8 | VOUT | passive |
| M9 | VOUT | passive |
| M10 | VOUT | passive |
| M11 | VOUT | passive |
| M12 | VOSNS- | input |
Footprint
ConfirmedPackage_BGA/Linear_BGA-133_15.0x15.0mm_Layout12x12_P1.27mm
Pad Layout
Pads (134)
| Number | Type |
|---|---|
| A1 | smd |
| A2 | smd |
| A3 | smd |
| A4 | smd |
| A5 | smd |
| A6 | smd |
| A7 | smd |
| A8 | smd |
| A9 | smd |
| A10 | smd |
| A11 | smd |
| A12 | smd |
| B1 | smd |
| B2 | smd |
| B3 | smd |
| B4 | smd |
| B5 | smd |
| B6 | smd |
| B7 | smd |
| B9 | smd |
| B11 | smd |
| B12 | smd |
| C1 | smd |
| C2 | smd |
| C3 | smd |
| C4 | smd |
| C5 | smd |
| C6 | smd |
| C7 | smd |
| C9 | smd |
| C10 | smd |
| C11 | smd |
| C12 | smd |
| D1 | smd |
| D2 | smd |
| D3 | smd |
| D4 | smd |
| D5 | smd |
| D6 | smd |
| D8 | smd |
| D9 | smd |
| D10 | smd |
| D11 | smd |
| D12 | smd |
| E1 | smd |
| E2 | smd |
| E3 | smd |
| E4 | smd |
| E5 | smd |
| E6 | smd |
| E7 | smd |
| E8 | smd |
| E9 | smd |
| E12 | smd |
| F1 | smd |
| F2 | smd |
| F3 | smd |
| F4 | smd |
| F5 | smd |
| F6 | smd |
| F7 | smd |
| F8 | smd |
| F9 | smd |
| F11 | smd |
| F12 | smd |
| G1 | smd |
| G2 | smd |
| G3 | smd |
| G4 | smd |
| G5 | smd |
| G6 | smd |
| G7 | smd |
| G8 | smd |
| G9 | smd |
| G11 | smd |
| G12 | smd |
| H1 | smd |
| H2 | smd |
| H3 | smd |
| H4 | smd |
| H5 | smd |
| H6 | smd |
| H7 | smd |
| H8 | smd |
| H9 | smd |
| H11 | smd |
| H12 | smd |
| J1 | smd |
| J2 | smd |
| J3 | smd |
| J4 | smd |
| J5 | smd |
| J6 | smd |
| J7 | smd |
| J8 | smd |
| J9 | smd |
| J10 | smd |
| J12 | smd |
| K1 | smd |
| K2 | smd |
| K3 | smd |
| K4 | smd |
| K5 | smd |
| K6 | smd |
| K7 | smd |
| K8 | smd |
| K9 | smd |
| K10 | smd |
| K11 | smd |
| K12 | smd |
| L1 | smd |
| L2 | smd |
| L3 | smd |
| L4 | smd |
| L5 | smd |
| L6 | smd |
| L7 | smd |
| L8 | smd |
| L9 | smd |
| L10 | smd |
| L11 | smd |
| L12 | smd |
| M1 | smd |
| M2 | smd |
| M3 | smd |
| M4 | smd |
| M5 | smd |
| M6 | smd |
| M7 | smd |
| M8 | smd |
| M9 | smd |
| M10 | smd |
| M11 | smd |
| M12 | smd |