LM5007MMX
Public Unreviewedby Ray
Texas Instruments DC-DC Converters, VSSOP-8-0.65mm. Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Symbol & Footprint
Schematic Symbol
Open full view ↗PCB Footprint
Open full view ↗Datasheet
Open in new tab ↗Contents
README
markdownLM5007MMX
Texas Instruments · DC-DC Converters · VSSOP-8-0.65mm
LM5007MMX from Texas Instruments, in a VSSOP-8-0.65mm. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | SW | output | Switching node. Drain of the internal N-channel buck switch; connect to the LC output filter (inductor to VOUT and freewheel diode to GND). Also referenced by the BST bootstrap capacitor. |
| 2 | BST | input | Boot-strap capacitor input for the high-side gate driver. An external 0.01 uF ceramic capacitor is required between BST and SW; an internal diode from VCC to BST completes the bootstrap network. |
| 3 | RCL | input | Current-limit off-time programming pin. A resistor from RCL to RTN sets the off-time per cycle in current limit: Toff = 1e-5 / (0.59 + (FB / 7.22e-6 x RCL)). Off-time preset to 17 us when FB = 0 V and decreases as FB rises. |
| 4 | RTN | power_in | Circuit ground return for the device. |
| 5 | FB | input | Feedback signal from the regulated output; connected to the inverting input of the internal regulation comparator. Internal reference threshold is 2.5 V (2.445 V min / 2.550 V max); FB bias current 100 nA typ; FB over-voltage trip 2.875 V. |
| 6 | RON | input | On-time set pin (also serves as the shutdown input). A resistor between RON and VIN programs the switch on-time: Ton = 1.42e-10 x RON / VIN. Minimum recommended on-time is 300 ns at max VIN. Pulling RON low (0 V) shuts the device down (remote shutdown threshold ~0.7 V). |
| 7 | VCC | power_out | Output of the internal high-voltage bias regulator, nominally 7 V (6.6 to 7.4 V). Provides gate-drive power for the internal buck switch and feeds the BST diode. Requires a local 0.1 uF decoupling capacitor. Series pass regulator is current limited to ~10 mA (11 mA typ). An external voltage above 7 V on FB will shut the internal regulator down; do not exceed 14 V on this pin. |
| 8 | VIN | power_in | Input supply voltage. Recommended operating range 9 V to 75 V; absolute-maximum 80 V. Drain of the internal buck switch is powered from this rail. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8-0.65mm |
| Category | PMIC |
| Pins | 8 |
Ordering variants
Same part, different packaging or reel option.
LM5007MMXLM5007MMXSDLM5007MMXSDX
CAD (KiCad official)
- Symbol:
LM5007MMX - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)
3D model downloads
Two STEP files. Same geometry, different body top:
| File | Size | Use it when |
|---|---|---|
lm5007mmx.step |
122 KB | You want the bare part, or you mark your own boards. |
lm5007mmx-etched.step |
1.7 MB | You want the part with LM5007MMX already on it. |
The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 434 faces against 147 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (25 pp, sha256
13e9052ebcf1f85b, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).