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GM1204AHZ-RL

Public Made by Adom

by adom

GONGMOSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GM1204AHZ-RL

GONGMOSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-5

GM1204AHZ-RL from GONGMOSEMI, in a TO-263-5. 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 SHDN input Shutdown pin: pull high to enable the device and pull low to disable it, and it must be connected to IN if the enable function is not needed; its absolute maximum rating to GND is -0.3 V to +22 V.
2 IN power_in Input pin with an input operating range of 1.9 V to 20 V, requiring a 10 µF or larger ceramic capacitor (7 µF or more) from IN to GND placed as close to the pin as possible; absolute maximum rating to GND is -0.3 V to +22 V.
3 GND power_in Ground pin.
4 OUT power_out Regulated output pin that requires a 10 µF or larger ceramic capacitor to GND placed as close to the pin as possible for stability, with absolute maximum rating to GND of -0.3 V to +22 V.
5 SENSE/ADJ input Feedback pin to the error amplifier: SENSE is used for fixed-output versions, while ADJ sits at 0.9 V, 1.0 V, 1.1 V or 1.21 V relative to GND for adjustable output up to 20 V, with absolute maximum rating to GND of -0.3 V to +6 V.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer GONGMOSEMI
Package TO-263-5
Category Power Management (PMIC)
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
IN UVLO rising threshold VUVLO_RISING 1.75 1.89 V VIN rising 8
IN UVLO falling threshold VUVLO_FALLING 1.55 1.68 V VIN falling 8
GND pin current IGND 0.9 1.7 mA ILOAD = 0mA 8
GND pin current IGND 1.4 2.2 mA ILOAD = 100mA 8
GND pin current IGND 2.7 3.9 mA ILOAD = 1.5A 8
GND pin current IGND 3.7 5.2 mA ILOAD = 3A 8
Shutdown current ISHUTDOWN 0.9 10 μA VIN = 6V, VSHDN = 0V 8
ADJ pin accuracy VADJ 1.186 1.21 1.234 V 1.9V < VIN < 20V, 1mA < ILOAD < 3A 8
Fixed output voltage accuracy VSENSE -2 2 % max(VOUT+0.5V, 1.9V) < VIN < 20V, 1mA < ILOAD < 3A 8
Input voltage regulation ΔVOUT_LINE 2 8 mV VIN = max(VOUT+0.5V, 1.9 V) to 20 V, ILOAD = 10mA 8
Load regulation ΔVOUT_LOAD 3 15 mV 1 mA ≤ IOUT ≤ 3 A 8
Dropout voltage VDO 82 146 mV VIN = 3.3 V, IOUT = 100 mA, VFB = 0.5 V, 3% 8
Dropout voltage VDO 160 270 mV VIN = 3.3 V, IOUT = 1.5 A, VFB = 0.5 V, 3% 8
Dropout voltage VDO 325 545 mV VIN = 3.3 V, IOUT = 3 A, VFB = 0.5 V, 3% 8
Output current limit ILIM 3.5 4.2 A VOUT 外加 0.9 × VOUT(nom),VIN = VOUT(nom) + 0.5 V 8
SHDN pin low-level input voltage VSHDN_IL 0.49 0.75 V 8
SHDN pin high-level input voltage VSHDN_IH 0.79 1.1 V 8
SHDN pin current ISHDN 50 750 nA VIN = 20 V 8
IN, SHDN to GND voltage -0.3 22 V 7
OUT to GND voltage -0.3 22 V 7
SENSE/ADJ to GND voltage -0.3 6 V 7
Storage temperature range -65 150 °C 7
Operating temperature range -40 125 °C 7
Input voltage range 1.9 20 V 13
Adjustable output voltage range VOUT 1.21 20 V adjustable, 1.21 V reference variant 13
Output current IOUT 3 A 1
Continuous operating junction temperature TJ 125 °C continuous operation 13
Junction-to-ambient thermal resistance, 5-pin TO-263 θJA 30 °C/W worst case, surface-mount on PCB, JEDEC 51-7 high-K four-layer board 7

CAD (KiCad official)

  • Symbol: GM1204AHZ-RL
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: gm1204ahz-rl-etched.step / gm1204ahz-rl-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gm1204ahz-rl.step / gm1204ahz-rl.glb are the bare package body.

Provenance

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

  • Datasheet: GONGMOSEMI datasheet (16 pp, sha256 1b9a1ef2978df242, 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