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AZ1117H-ADJTRE1

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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.

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AZ1117H-ADJTRE1

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223

AZ1117H-ADJTRE1 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 ADJ/GND input Adjust pin for the adjustable version (AZ1117-ADJ); connect to the R1/R2 feedback divider to set VOUT = VREF*(1+R2/R1)+IADJ*R2, where VREF=1.25V and IADJ typ 60 uA. Serves as GND on fixed-output variants.
2 OUTPUT power_out Regulated output; delivers up to 1A. Requires >=22 uF output capacitor for stability. On SOT-223 the output pin is electrically connected to the tab (VOUT).
3 INPUT power_in Unregulated input supply; VIN(max) = 20V absolute, 15V recommended. Requires >=10 uF input capacitor. Dropout is 1.15V typical at 1A.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-223
Category PMIC
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
Reference Voltage VREF 1.238 1.25 1.262 V IOUT = 10mA, VIN-VOUT = 2V 5
Reference Voltage VREF 1.225 1.25 1.27 V 10mA ≤ IOUT ≤ 1A, 1.4V ≤ VIN-VOUT ≤ 8V, P ≤ Maximum Power Dissipation 5
Line Regulation ∆VOUT 0.035 0.2 % IOUT=10mA, 1.5V ≤ VIN-VOUT ≤ 10V 5
Load Regulation ∆VOUT 0.2 0.4 % VIN-VOUT = 2V, 10mA ≤ IOUT ≤ 1A 5
Dropout Voltage VDROP 1 1.1 V ∆VREF = 1%, IOUT = 0.1A 5
Dropout Voltage VDROP 1.08 1.18 V ∆VREF = 1%, IOUT = 0.5A 5
Dropout Voltage VDROP 1.15 1.25 V ∆VREF = 1%, IOUT = 1.0A 5
Current Limit ILIMIT 1.25 1.35 A VIN-VOUT = 2V 5
Adjust Pin Current IADJ 60 120 µA 5
Adjust Pin Current Change ∆IADJ 0.2 5 µA 1.4V ≤ VIN-VOUT ≤ 10V, 10mA ≤ IOUT ≤ 1A 5
Minimum Load Current (ADJ) ILOAD(MIN) 1.7 5 mA 1.5V ≤ VIN-VOUT ≤ 10V (ADJ only) 5
Quiescent Current IQ 5 10 mA VIN = VOUT + 1.25V 5
Ripple Rejection PSRR 60 75 dB f = 120Hz, COUT = 22µF Tantalum, VIN-VOUT = 3V, IOUT = 1A 5
Input Voltage (recommended operating) VIN 15 V 4
Operating Junction Temperature Range TJ -40 125 ºC 4
Input Voltage VIN 20 V 4
Operating Junction Temperature TJ 150 ºC 4
Storage Temperature TS -65 150 ºC 4
Lead Temperature (Soldering, 10sec) TLEAD 260 ºC 10 sec soldering 4
ESD (Human Body Model) ESD 2000 V 4
ESD (Machine Model) ESD 250 V 4
Thermal Shutdown - Junction Temperature 150 ºC Junction Temperature 5
Temperature Stability 0.5 % 5
Long-term Stability 0.3 % TA = +125ºC, 1000hrs 5
RMS Output Noise (% of VOUT) 0.003 % TA = +25ºC, 10Hz ≤ f ≤ 10kHz 5
Thermal Shutdown Hysteresis 25 ºC 5
Thermal Resistance Junction-to-Case (SOT223) θJC 25 ºC/W 5
Thermal Resistance Junction-to-Ambient, No Heatsink (SOT223) θJA 120 ºC/W No heatsink 4

CAD (KiCad official)

  • Symbol: AZ1117H-ADJTRE1
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: az1117h-adjtre1-etched.step / az1117h-adjtre1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); az1117h-adjtre1.step / az1117h-adjtre1.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (32 pp, sha256 a54ad8d300c88315, retrieved 2026-11-13, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF