Texas Instruments LM2734YMK/NOPB DC DC Switching Regulators
1A Step-Down Converter, featuring adjustable output voltage from 800mV to 18V, with a maximum output current of 1A.

Same model may have multiple batches, images only for reference.
Technical Specifications
Texas Instruments LM2734YMK/NOPB DC DC Switching Regulators technical specifications.
General
Alternate Parts Comparison (LM2734YMK/NOPB vs LM2776DBVT vs LM2664M6X vs TLV61046ADBVT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | SOT-23-6 Thin, TSOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TJ) | -40°C ~ 85°C (TA) |
| Switching Frequency | 550kHz | 2MHz | 80kHz | 1.05MHz |
| Function | Step-Down | Ratiometric | Ratiometric | Step-Up |
| Max Input Voltage | 20V | 5.5V | 5.5V | 5.5V |
| Min Input Voltage | 3V | 2.7V | 1.8V | 1.8V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Negative | Positive or Negative | Positive |
| Output Type | Adjustable | Fixed | Fixed | Adjustable |
| Output Voltage | 18V | -Vin | -Vin, 2Vin | 3.3V |
| Topology | Buck | Charge Pump | Charge Pump | Boost |
| Action |
Texas Instruments LM2734YMK/NOPB DC DC Switching Regulators Overview
1A Step-Down Converter, featuring adjustable output voltage from 800mV to 18V, with a maximum output current of 1A. Operates with input voltages ranging from 3V to 20V, and a maximum supply voltage of 20V. Achieves up to 90% efficiency at a 660kHz switching frequency. Packaged in a SOT-23-6 surface mount configuration, this component offers a maximum duty cycle of 90% and operates across an industrial temperature range of -40°C to 125°C.