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| PartNumber | LM5121QMH/NOPB | LM5121QMH | LM5121QMHE |
| Description | Switching Controllers Wide Vin Sync Boost Cntlr | ||
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers | PMIC - Voltage Regulators - DC DC Switching Controllers |
| RoHS | Y | - | No |
| Topology | Boost | Boost | - |
| Number of Outputs | 1 Output | 1 | - |
| Switching Frequency | 450 kHz, 875 kHz | 450 kHz 875 kHz | - |
| Duty Cycle Max | 100 % | - | - |
| Input Voltage | 4.5 V to 65 V | 4.5 V to 65 V | - |
| Output Voltage | 100 V | 100 V | - |
| Output Current | 20 A | - | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | HTSSOP-20 | - | - |
| Packaging | Tube | Tube | Reel |
| Isolation | Non-Isolated | Non-Isolated | - |
| Operating Temperature Range | - 40 C to + 125 C | - | - |
| Series | LM5121-Q1 | Automotive, AEC-Q100 | LM5121-Q1 |
| Type | Current Mode PWM Controllers | - | - |
| Brand | Texas Instruments | - | Texas Instruments |
| Fall Time | 20 ns | 20 ns | - |
| Operating Supply Current | 4 mA | 4.5 mA | - |
| Product Type | Switching Controllers | - | - |
| Rise Time | 25 ns | 25 ns | - |
| Factory Pack Quantity | 73 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.002885 oz | 0.002885 oz | - |
| Package Case | - | HTSSOP-20 | - |
| Operating Temperature | - | -40°C ~ 125°C (TJ) | - |
| Output Type | - | Transistor Driver | - |
| Function | - | Step-Up | - |
| Supplier Device Package | - | 20-HTSSOP | - |
| Voltage Supply Vcc Vdd | - | 4.5 V ~ 65 V | - |
| Frequency Switching | - | Up to 1MHz | - |
| Control Features | - | Frequency Control, Soft Start | - |
| Output Configuration | - | Positive | - |
| Output Phases | - | 1 | - |
| Duty Cycle Max | - | 100 % | - |
| Synchronous Rectifier | - | No | - |
| Clock Sync | - | Yes | - |
| Serial Interfaces | - | - | - |