# GM1205ACPZ-R7

**GONGMOSEMI** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DFN-10-EP(3x3)

GM1205ACPZ-R7 from GONGMOSEMI, in a DFN-10-EP(3x3). 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 | IN | power_in | Regulator supply input; a typical 4.7µF bypass capacitor is required at IN, and IN to GND is rated −0.3 V to +22 V. |
| 2 | IN | power_in | Regulator supply input (second IN pin, tied to pin 1); a typical 4.7µF bypass capacitor is required at IN, and IN to GND is rated −0.3 V to +22 V. |
| 3 | EN/UV | input | Enable/UVLO input: pulling it low puts the device in shutdown (quiescent current below 1µA, output off); the turn-on threshold is 1.07 V with 100 mV hysteresis, and it must not be left floating; EN/UV to GND is rated −0.3 V to +22 V. |
| 4 | PG | output | Open-drain power-good output that goes high-impedance when PGFB is above 295 mV; leave floating if unused; PG to GND is rated −0.3 V to +22 V. |
| 5 | ILIM | passive | Current-limit programming pin: a resistor from ILIM to GND (Kelvin-connected to the GND pin) sets the limit with a nominal scale factor of 278 mA·kΩ, and the pin also provides a 0 V to 300 mV current monitor; ILIM to GND is rated −0.3 V to +1 V, and it should be tied to GND if unused. |
| 6 | PGFB | input | Power-good feedback: PG is pulled high when PGFB rises above 295 mV (20 mV hysteresis), and PGFB also activates the fast-start circuit; tie it to IN if unused; PGFB to GND is rated −0.3 V to +22 V. |
| 7 | SET | passive | Voltage-set pin: a precision 100µA current flows through an external resistor from SET to GND so that VOUT = ISET × RSET over 1 V to 15 V; SET to GND is rated −0.3 V to +16 V and SET pin current is limited to −10 mA to +10 mA. |
| 8 | GND | power_in | Ground pin, to be connected directly to the exposed-pad ground plane for correct electrical and thermal performance. |
| 9 | OUTS | input | Output sense input (non-inverting input of the error amplifier), to be Kelvin-connected directly to the output capacitor and load; OUTS to GND is rated −0.3 V to +16 V. |
| 10 | OUT | power_out | Regulator output that powers the load (up to 500 mA), requiring at least 10µF ceramic with ESR below 50 mΩ and ESL below 2 nH; OUT to GND is rated −0.3 V to +16 V. |
| 11 | GND | power_in | Ground, listed as GND pin 11 in the pin table for this package; the datasheet states the exposed back is electrically GND and must be soldered to PCB ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GONGMOSEMI |
| Package | DFN-10-EP(3x3) |
| Category | Power Management (PMIC) |
| Pins | 11 |

## CAD (KiCad official)

- Symbol: `GM1205ACPZ-R7`
- Footprint: `Package_DFN_QFN:DFN-10-1EP_3x3mm_P0.5mm_EP1.55x2.48mm`
- 3D model: DFN-10-EP(3x3) (KiCad packages3D, STEP)
- 3D model files: `gm1205acpz-r7-etched.step` / `gm1205acpz-r7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gm1205acpz-r7.step` / `gm1205acpz-r7.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [GONGMOSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8773986111959900160) (20 pp, sha256 `7f51388aa385fbd3`, retrieved 2026-10-09, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-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).

[Datasheet PDF](docs/gm1205acpz-r7-datasheet.pdf)