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AZ1117CH2-3.3TRG1

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Diodes Incorporated Dropout Regulators(LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AZ1117CH2-3.3TRG1

Diodes Incorporated · Dropout Regulators(LDO) · SOT-223

AZ1117CH2-3.3TRG1 from Diodes Incorporated, in a SOT-223. 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 INPUT power_in Input voltage pin; the absolute maximum VIN is 18V and the recommended maximum input voltage is 15V.
2 ADJ/GND power_in Adjust/ground pin; adjust pin current is 60µA typical and 120µA maximum on the adjustable version, and it serves as GND on the fixed-output versions.
3 OUTPUT power_out Regulated output pin with output voltage accuracy of ±1% (except the 1.2V version) and a typical current limit of 1.35A; a minimum 10µF output capacitor is required.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-223
Category Power Management ICs
Pins 3

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage VOUT 3.267 3.3 3.333 V 1.5V ≤ VIN-VOUT ≤ 10V 7
Output Voltage (over junction temperature range -20°C to +125°C) VOUT 3.235 3.3 3.365 V 1.5V ≤ VIN-VOUT ≤ 10V 7
Line Regulation VRLINE 0.5 6 mV 1.5V ≤ VIN-VOUT ≤ 10V 7
Line Regulation (over junction temperature range) VRLINE 10 mV 1.5V ≤ VIN-VOUT ≤ 10V 7
Load Regulation VRLOAD 2 15 mV 7
Dropout Voltage (SOT223) VDROP 1.2 1.3 V ΔVOUT = 1%, IOUT = 0.8A 7
Current Limit ILIMIT 1 1.35 A 7
Quiescent Current IQ 4 6 mA IOUT = 0 7
Temperature Stability 0.5 % 7
Input Voltage (recommended operating) VIN 15 V 4
Operating Junction Temperature Range (recommended operating) TJ -20 125 °C 4
Input Voltage (absolute maximum) VIN 18 V 4
Operating Junction Temperature Range (absolute maximum) TJ 150 °C 4
Storage Temperature Range TSTG -65 150 °C 4
Lead Temperature (soldering, 10 sec) TLEAD 260 °C Soldering, 10 sec 4
ESD (Human Body Model) 4000 V Human Body Model 4
RMS Output Noise (% of VOUT) 0.003 % TA = +25ºC, 10Hz ≤ f ≤ 10kHz 7
Ripple Rejection (PSRR) PSRR 70 dB f = 120Hz, COUT = 22µF, (VIN-VOUT) = 3V, IOUT = 300mA 7
Thermal Shutdown Junction Temperature 160 °C 7
Thermal Shutdown Hysteresis 16 °C 7
Thermal Resistance Junction to Case (SOT223) θJC 15 °C/W Junction to Case 7
Thermal Resistance Junction to Ambient, without heatsink (SOT223) θJA 125 °C/W Without heatsink 4
Thermal Resistance Junction to Ambient, with heatsink (SOT223) θJA 100 °C/W With heatsink (Note 6) 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing Abs , ESD (Human Body Model) 4000 V Notes: 5. Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and 4
contacts tin  Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208  Weight: 23

CAD (KiCad official)

  • Symbol: AZ1117CH2-3.3TRG1
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: az1117ch2-3-3trg1-etched.step / az1117ch2-3-3trg1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); az1117ch2-3-3trg1.step / az1117ch2-3-3trg1.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (24 pp, sha256 8333717aa7b5f90f, retrieved 2026-10-28, tier: manufacturer)
  • 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