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AZ1117CH-2.5TRG1

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

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AZ1117CH-2.5TRG1

Diodes Incorporated · Linear Voltage Regulators (LDO) · SOT-223

AZ1117CH-2.5TRG1 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 GND power_in Ground reference (labelled ADJ/GND in the datasheet; for the fixed 2.5V version this pin is GND, as the adjust resistors are integrated).
2 OUTPUT power_out Regulated 2.5V output (±1%), requires a minimum 10µF output capacitor with ESR below 20Ω and delivers a current limit of 1.35A typical.
3 INPUT power_in Unregulated input voltage, recommended maximum 15V and absolute maximum 18V.

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 2.475 2.5 2.525 V 1.5V ≤ VIN-VOUT ≤ 10V, IOUT = 10mA, TJ = +25°C 6
Output Voltage (over full junction temperature range) VOUT 2.455 2.5 2.545 V 1.5V ≤ VIN-VOUT ≤ 10V, TJ = -20°C to +125°C 6
Line Regulation VRLINE 0.5 6 mV 1.5V ≤ VIN-VOUT ≤ 10V 6
Line Regulation (over full junction temperature range) VRLINE 10 mV 1.5V ≤ VIN-VOUT ≤ 10V, TJ = -20°C to +125°C 6
Load Regulation VRLOAD 2 15 mV 6
Dropout Voltage SOT223 VDROP 1.2 1.3 V ∆VOUT = 1%, IOUT = 0.8A, SOT223 6
Current Limit ILIMIT 1 1.35 A 6
Quiescent Current IQ 4 6 mA IOUT = 0 6
Ripple Rejection PSRR 70 dB f = 120Hz, COUT = 22µF, (VIN-VOUT) = 3V, IOUT = 300mA 6
Temperature Stability 0.5 % 6
RMS Output Noise (% of VOUT) 0.003 % TA = +25°C, 10Hz ≤ f ≤ 10kHz 6
Thermal Shutdown Junction Temperature 160 °C 6
Thermal Shutdown Hysteresis 16 °C 6
Thermal Resistance Junction to Case SOT223 θJC 15 °C/W SOT223 6
Input Voltage VIN 18 V 4
Operating Junction Temperature Range TJ 150 °C 4
Storage Temperature Range TSTG -65 150 °C 4
Lead Temperature TLEAD 260 °C Soldering, 10sec 4
ESD (Human Body Model) 4000 V 4
Input Voltage VIN 15 V 4
Operating Junction Temperature Range TJ -20 125 °C 4
Thermal Resistance (Without Heatsink) SOT223 θJA 125 °C/W SOT223, without heatsink 4
Thermal Resistance (With Heatsink) SOT223 θJA 100 °C/W SOT223, 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: AZ1117CH-2.5TRG1
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: az1117ch-2-5trg1-etched.step / az1117ch-2-5trg1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); az1117ch-2-5trg1.step / az1117ch-2-5trg1.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 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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