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GM12045ARDZ-5-R7

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GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GM12045ARDZ-5-R7

GONGMOSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOIC-8

GM12045ARDZ-5-R7 from GONGMOSEMI, in a SOIC-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 OUT power_out Regulated output pin; a 10 µF or larger ceramic capacitor must be placed from OUT to GND as close to the pin as possible for stability.
2 SENSE/ADJ input Feedback pin to the error amplifier: SENSE is used for fixed-output versions, while the ADJ pin voltage is 1.21 V relative to GND with an external adjustable output range of 1.21 V to 20 V.
3 GND power_in Ground reference pin.
4 NC unconnected Not connected.
5 SHDN input Shutdown pin: pulling it high enables the device and pulling it low disables it, and it must be tied to IN if the enable function is not needed.
6 GND power_in Ground reference pin.
7 GND power_in Ground reference pin.
8 IN power_in Input pin with a operating range of 1.9 V to 20 V, which needs a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible.

Key specifications

Parameter Value
Manufacturer GONGMOSEMI
Package SOIC-8
Category Power Management (PMIC)
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Feedback voltage accuracy, fixed output (VSENSE) VSENSE -2 2 % max(VOUT+0.5V,1.9V) < VIN < 20V, 1mA < ILOAD < 500mA 7
Load regulation ΔVOUT_LOAD 3 12 mV 1 mA ≤ IOUT ≤ 500 mA 7
Line regulation ΔVOUT_LINE 2 8 mV VIN = max(VOUT+0.5V,1.9V) to 20 V, ILOAD = 10mA 7
Dropout voltage VDO 90 170 mV VIN = 3.3 V, IOUT = 500 mA, VFB = 0.5 V, 3% 7
Dropout voltage VDO 70 146 mV VIN = 3.3 V, IOUT = 100 mA, VFB = 0.5 V, 3% 7
GND pin current IGND 0.9 1.7 mA ILOAD = 0 mA 7
GND pin current IGND 1.4 2.2 mA ILOAD = 100 mA 7
GND pin current IGND 1.9 2.9 mA ILOAD = 500 mA 7
Shutdown current ISHUTDOWN 0.9 10 µA VIN = 6V, V_SHDN = 0V, TJ = 25°C 7
IN UVLO rising threshold VUVLO_RISING 1.75 1.89 V VIN rising 7
IN UVLO falling threshold VUVLO_FALLING 1.55 1.68 V VIN falling 7
SHDN pin low-level input voltage V_SHDN_IL 0.49 0.75 V 7
SHDN pin high-level input voltage V_SHDN_IH 0.79 1.1 V 7
SHDN pin current I_SHDN 50 750 µA VIN = 20 V, TJ = 25°C 7
Current limit ILIM 2.2 A VOUT forced to 0.9 × VOUT(nom), VIN = VOUT(nom) + 0.5 V 7
Power supply ripple rejection PSRR 81 dB f = 100 Hz, VOUT - VOUT = 1 V, ILOAD = 500 mA 7
Power supply ripple rejection PSRR 77 dB f = 10 kHz, VOUT - VOUT = 1 V, ILOAD = 500 mA 7
Output voltage noise VN 8.8 µVRMS Bandwidth = 10 Hz to 100 kHz, IOUT = 500 mA 7
Thermal shutdown threshold (temperature rising) TSD 155 °C Shutdown threshold, temperature rising 7
Thermal shutdown hysteresis (temperature falling) TSD_HYS 15 °C Turn-on threshold, temperature falling 7
IN, SHDN to GND voltage -0.3 22 V 6
OUT to GND voltage -0.3 22 V 6
SENSE/ADJ to GND voltage -0.3 6 V 6
Operating temperature range -40 125 °C 6
Storage temperature range -65 150 °C 6
Input voltage operating range VIN 1.9 20 V 12
Output capacitor (minimum, ceramic) COUT 10 µF Recommended minimum output capacitance for stability; X5R or X7R dielectric preferred 12
Output capacitor ESR ESR 3 Ω Output capacitor ESR for stability 12
Maximum continuous junction temperature TJ(MAX) 125 °C Continuous operation 11
Junction-to-ambient thermal resistance, 8-pin SOIC θJA 67 °C/W 8-pin SOIC, worst case, device soldered to board 6

CAD (KiCad official)

  • Symbol: GM12045ARDZ-5-R7
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: gm12045ardz-5-r7-etched.step / gm12045ardz-5-r7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gm12045ardz-5-r7.step / gm12045ardz-5-r7.glb are the bare package body.

Provenance

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

  • Datasheet: GONGMOSEMI datasheet (15 pp, sha256 31f8ffb5963aef61, retrieved 2026-10-19, 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