Linear Technology LT1121IZ-3.3#TRPBF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.76 | $13.76 |
| 15+ | $3.16 | $47.40 |
| 25+ | $3.10 | $77.50 |
| 50+ | $2.92 | $146.00 |
| 100+ | $2.58 | $258.00 |
| N+ | $0.52 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Linear Technology |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 30V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.7V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 50 µA |
| Current - Supply (Max) | 14 mA |
| PSRR | 58dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Supplier Device Package | TO-92-3 |
| ROHS |  |
The LT1121IZ-3.3#TRPBF is a fixed 3.3V LDO regulator delivering 150mA with a 0.7V dropout. Its ultra-low 50µA quiescent current makes it perfect for battery-powered and always-on applications. The TO-92-3 package offers a compact, through-hole solution.
- Ultra-Low Quiescent Current: 50µA extends battery life in standby and active modes.
- Compact TO-92 Package: Ideal for space-constrained through-hole designs.
- Stable 3.3V Output: Reliable for low-power logic and analog circuits.
- Proven Linear Technology Design: High-quality regulation for sensitive applications.
Battery-Powered Portable Devices
Ultra-low 50µA quiescent current is ideal for always-on circuits in remote controls and sensors.
Low-Power Microcontrollers
Provides stable 3.3V for MCUs in energy-harvesting and battery-operated applications.
Reference Voltage Source
With 58dB PSRR at 120Hz, it provides a clean reference for analog-to-digital converters.
Automotive Standby Circuits
Low quiescent current supports always-on modules in vehicles without draining the battery.
Portable Instrumentation
TO-92 package is compact for space-constrained designs like probes and handheld meters.
Memory Backup Power
Maintains SRAM or RTC power with minimal current draw during system shutdown.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is 0.7V at a 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is only 50 µA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
LT1121IZ-3.3#TRPBF.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout is 0.7V at a 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is only 50 µA.
- Q: What package is available?
- A: It comes in a TO-92-3 package.
