component
LM2738XMY
Public Made by Adomby adom
Texas Instruments DC-DC Converters, HVSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM2738XMY
Texas Instruments · DC-DC Converters · HVSSOP-8
LM2738XMY from Texas Instruments, in a HVSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BOOST | input | Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW; Boost-to-SW voltage is recommended at 2.5 V to 5.5 V. |
| 2 | VIN | power_in | Supply voltage for the output power stage, with a bypass capacitor to this pin; must be tied to pin 3 at the package and VIN/VCC is recommended at 3 V to 20 V. |
| 3 | VCC | power_in | Input supply voltage of the device, with a bypass capacitor to this pin; must be tied to pin 2 at the package and VIN/VCC is recommended at 3 V to 20 V. |
| 4 | EN | input | Enable control input where logic high enables operation; do not allow this pin to float or exceed VIN + 0.3 V. |
| 5 | GND | power_in | Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin. |
| 6 | FB | input | Feedback pin that connects to the external resistor divider to set the output voltage (0.8 V internal reference). |
| 7 | GND | power_in | Signal and power ground; the bottom resistor of the feedback network should be placed as close as possible to this pin. |
| 8 | SW | output | Output switch that connects to the inductor, catch diode, and bootstrap capacitor; SW voltage is recommended at -0.5 V to 20 V. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HVSSOP-8 |
| Category | Power Management (PMIC) |
| Pins | 9 |
CAD (KiCad official)
- Symbol:
LM2738XMY - Footprint:
Package_SO:HVSSOP-8-1EP_3x3mm_P0.65mm_EP1.57x1.89mm - 3D model: HVSSOP-8, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.0 mm nominal HVSSOP height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
lm2738xmy-etched.step/lm2738xmy-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2738xmy.step/lm2738xmy.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (44 pp, sha256
2b1805b4c3e0d675, retrieved 2026-10-07, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).