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Contents

README

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TLV1117-33CDCYR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223

TLV1117-33CDCYR from Texas Instruments, in a SOT-223. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 ADJ/GND power_in Ground pin for fixed-voltage variants (TLV1117-33 = 3.3-V fixed). On the adjustable TLV1117 this pin is the ADJ feedback input for the external resistor divider; on fixed-output devices such as the -33 it functions as the device ground reference.
2 OUTPUT power_out Regulated 3.3-V output. Supplies up to 800 mA. Requires an output capacitor for stability; place close to the pin.
3 INPUT power_in Unregulated input voltage pin. For the TLV1117-33 the recommended V_IN range is 4.7 V to 15 V (absolute maximum 16 V). Bypass with a capacitor close to the pin.
4 OUTPUT power_out SOT-223 thermal tab, internally connected to OUTPUT (pin 2). Solder to a copper pour for heat sinking and connect to the OUTPUT net.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223
Category PMIC
Pins 4

Ordering variants

Same part, different packaging or reel option.

  • TLV1117-33CDCYR
  • TLV1117-33CDCYRDRJ
  • TLV1117-33CDCYRKVU
  • TLV1117-33CDCYRKCS
  • TLV1117-33CDCYRKCT
  • TLV1117-33CDCYRKTT

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Continuous input voltage VIN 16 V 4
Operating virtual-junction temperature TJ 150 °C 4
Storage temperature range Tstg -65 150 °C 4
Electrostatic discharge, human body model V(ESD) 0 2500 V HBM per ANSI/ESDA/JEDEC JS-001, all pins 4
Electrostatic discharge, charged device model V(ESD) 0 1500 V CDM per JEDEC JESD22-C101, all pins 4
Input voltage, TLV1117-33 VIN 4.7 15 V 4
Output current IO 0.8 A 4
Operating virtual-junction temperature, TLV1117C TJ 0 125 °C TLV1117C (C grade) 4
Output voltage, TLV1117-33 VOUT 3.267 3.3 3.333 V VIN = 5 V, IOUT = 10 mA, TJ = 25°C 6
Output voltage, TLV1117-33 VOUT 3.235 3.3 3.365 V VIN = 4.75 V to 10 V, IOUT = 0 to 800 mA 6
Line regulation, TLV1117-33 1 6 mV IOUT = 0 mA, VIN = 4.75 V to 15 V 6
Load regulation, TLV1117-33 1 10 mV IOUT = 0 to 800 mA, VIN = 4.75 V 6
Dropout voltage VDO 1.1 1.2 V IOUT = 100 mA 6
Dropout voltage VDO 1.15 1.25 V IOUT = 500 mA 6
Dropout voltage VDO 1.2 1.3 V IOUT = 800 mA 6
Current limit 0.8 1.2 1.6 A VIN – VOUT = 5 V, TJ = 25°C 6
Quiescent current, all fixed-voltage options 5 10 mA VIN ≤ 15 V 6
Ripple rejection 60 75 dB VIN – VOUT = 3 V, Vripple = 1 Vpp, f = 120 Hz 6
Thermal regulation 0.01 0.1 %/W 30-ms pulse, TA = 25°C 6
Temperature stability 0.5 % TJ = full range 6
Long-term stability 0.3 % 1000 hrs, no load, TA = 125°C 6
Output noise voltage 0.003 % of VOUT f = 10 Hz to 100 kHz 6
Junction-to-ambient thermal resistance RθJA 104.3 °C/W DCY (SOT-223, 4 pins) 5
Junction-to-case (top) thermal resistance RθJC(top) 53.7 °C/W DCY (SOT-223, 4 pins) 5
Junction-to-board thermal resistance RθJB 5.7 °C/W DCY (SOT-223, 4 pins) 5
Junction-to-top characterization parameter ψJT 3.1 °C/W DCY (SOT-223, 4 pins) 5
Junction-to-board characterization parameter ψJB 5.5 °C/W DCY (SOT-223, 4 pins) 5

CAD (KiCad official)

  • Symbol: TLV1117-33CDCYR
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: tlv1117-33cdcyr-etched.step / tlv1117-33cdcyr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlv1117-33cdcyr.step / tlv1117-33cdcyr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (39 pp, sha256 ec710cfae85d9a30, retrieved 2026-08-17, 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