TLV71712PDQNR

TLV71712PDQNR is a fixed-output low-dropout regulator (LDO) from Texas Instruments. It provides a precise 1.2 V output from a higher input voltage, ideal for powering MCU cores, memory, or analog blocks in space‑constrained battery-powered designs. The PDQNR suffix indicates the RoHS, lead-free version in a 3×3 mm PDQ/QFN package with an exposed pad for good thermal performance. Typical features include low dropout, low quiescent current, decent line/load regulation, and protection features such as overcurrent and thermal shutdown. This device is commonly used to generate a stable 1.2 V rail in portable electronics and compact systems where board space and efficiency matter. For exact electricals (input range, quiescent current, dropout, pinout), consult the TI data sheet.

Here are the key features of TLV71712PDQNR:
- Fixed output: 1.2 V
- Output current: up to 100 mA
- Ultra-low quiescent current
- Low dropout voltage
- Low-noise with good PSRR
- Tight line and load regulation
- Protection: short-circuit protection and thermal shutdown
- Requires an output capacitor for stability (typical 1 µF to 4.7 µF; X5R/X7R)
- 5-pin PDQNR package (SOT-23-5) for compact boards

- Pin count: 5 pins (SOT-23-5/SC-70-5 package variant, PDQNR).
- Function: Fixed-output low-dropout linear regulator (LDO) from the TLV71712 family, providing a 1.2 V output with an enable pin for on/off control.

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational semiconductor company that designs and manufactures analog and mixed-signal integrated circuits and embedded processing devices.

Application areas of TLV71712PDQNR:
- Fixed 1.2 V LDO regulator in PDQ package.
- Core voltage supply for digital ICs (CPU/GPU cores, microcontrollers, DSPs, FPGAs).
- Memory core rails (LPDDR, SDRAM, flash/NVRAM) needing stable 1.2 V.
- SoCs’ digital/analog rails that require 1.2 V.
- Portable/battery-powered devices (wearables, sensors, IoT) needing low quiescent current and small footprint.
- Post-regulation for RF/transceiver blocks and other circuits needing a clean 1.2 V rail.
- Space-constrained boards where LDO noise/PSRR matter.

SOT-23-5 (SC-70-5) package.