The TLV76133DCYR is a 1A, 16V high PSRR linear regulator (LDO) launched by Texas Instruments. It adopts the SOT-223-4 surface mount packaging and is an upgraded and compatible alternative to the industry-standard LM1117 and TLV1117 (x1117) series with the same pin configuration.
This device can provide an output current of 1A, with the output voltage fixed at 3.3V. The input voltage range is from 2.5V to 18V (up to 20V). Within the entire temperature range, the line and load regulation accuracy is ±1%. Its typical quiescent current (IQ) is only 60µA, and it drops to 1.5µA in the off mode.
This device boasts excellent power supply rejection ratio (PSRR), with 60dB at 1kHz and 40dB at 1MHz. It can effectively filter out upstream power noise. Additionally, it integrates an internal soft start (500µs) to reduce surge current, and features return current limiting and thermal protection functions. Its 1µF ceramic output capacitor is sufficient to ensure stable operation.
Features ：
• Output type: Fixed, 3.3V
• Output current: Maximum 1A
• Input voltage range: 2.5V to 18V (maximum 20V)
• Output voltage accuracy: ±1% (over the entire temperature range)
• Static Current (Iq): Typical value 60 µA
• Shutdown current: Typical value 1.5 µA
• PSRR (typical value): 60dB at 1kHz, 40dB at 1MHz
• Internal soft start: 500 µs
• Protection functions: Return current limit, thermal protection
• Stable capacitor: 1µF ceramic output capacitor
• Operating temperature: -40°C to +125°C
• Package type: SOT-223-4
• MSL Level: 2 - 260C - 1 YEAR
• Environmental compliance: Meets RoHS standards. The surface treatment of the pins is Sn.
Application：
• Upgrade replacement of x1117 (LM1117/TLV1117): Pin compatibility, offering higher precision and lower power consumption
• Post-stage voltage stabilization and noise filtering: Utilizing the high PSRR characteristic to eliminate DC-DC switching noise
• General power management: Provides 3.3V power rails for MCUs, FPGAs, etc.
