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| Part Number | LM20144MHX/NOPB | LM20146MHX/NOPB | LM20145MHX/NOPB | LM20144QMHX/NOPB | LM20154MHX/NOPB | LM20124MHX/NOPB | LM20134MHX/NOPB | LM20143MHX/NOPB | LM20144MH/NOPB | LM20144MHE/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Function | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down | Step-Down |
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive | Positive |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Input (Min) | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V | 2.95V |
| Voltage - Input (Max) | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V | 0.8V |
| Voltage - Output (Max) | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V | 4.68V |
| Current - Output | 4A | 6A | 5A | 4A | 4A | 4A | 4A | 3A | 4A | 4A |
| Frequency - Switching | 500kHz ~ 1.5MHz | 260kHz ~ 750kHz | 260kHz ~ 750kHz | 500kHz ~ 1.5MHz | 1MHz | 1MHz | 410kHz | 500kHz ~ 1.5MHz | 500kHz ~ 1.5MHz | 500kHz ~ 1.5MHz |
| Synchronous Rectifier | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) | 16-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP | 16-HTSSOP |
