Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization
| LM2745 | LM2745MTC | LM2745MTCX | LM2748MTC | LM2748MTCX | |
|---|---|---|---|---|---|
| Description | Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization | Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization | Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization | Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization | Synchronous Buck Controller with Pre-bias Startup, and Optional Clock Synchronization |
| Is it Rohs certified? | - | incompatible | incompatible | incompatible | incompatible |
| Maker | - | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） |
| package instruction | - | PLASTIC, TSSOP-14 | PLASTIC, TSSOP-14 | PLASTIC, TSSOP-14 | PLASTIC, TSSOP-14 |
| Reach Compliance Code | - | _compli | _compli | _compli | _compli |
| ECCN code | - | EAR99 | EAR99 | EAR99 | EAR99 |
| Analog Integrated Circuits - Other Types | - | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
| control mode | - | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technology | - | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Maximum input voltage | - | 6 V | 6 V | 6 V | 6 V |
| Minimum input voltage | - | 3 V | 3 V | 3 V | 3 V |
| Nominal input voltage | - | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| JESD-30 code | - | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 | R-PDSO-G14 |
| JESD-609 code | - | e0 | e0 | e0 | e0 |
| length | - | 5 mm | 5 mm | 5 mm | 5 mm |
| Humidity sensitivity level | - | 1 | 1 | 1 | 1 |
| Number of functions | - | 1 | 1 | 1 | 1 |
| Number of terminals | - | 14 | 14 | 14 | 14 |
| Maximum operating temperature | - | 125 °C | 125 °C | 125 °C | 125 °C |
| Minimum operating temperature | - | -40 °C | -40 °C | -40 °C | -40 °C |
| Package body material | - | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | - | SSOP | SSOP | SSOP | SSOP |
| Encapsulate equivalent code | - | TSSOP14,.25 | TSSOP14,.25 | TSSOP14,.25 | TSSOP14,.25 |
| Package shape | - | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | - | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Celsius) | - | 260 | 260 | 260 | 260 |
| Certification status | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | - | 1.1 mm | 1.1 mm | 1.1 mm | 1.1 mm |
| surface mount | - | YES | YES | YES | YES |
| Switch configuration | - | PUSH-PULL | PUSH-PULL | PUSH-PULL | PUSH-PULL |
| Maximum switching frequency | - | 1000 kHz | 1000 kHz | 1000 kHz | 1000 kHz |
| Temperature level | - | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal surface | - | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | - | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal pitch | - | 0.65 mm | 0.65 mm | 0.65 mm | 0.65 mm |
| Terminal location | - | DUAL | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | - | 40 | 40 | 40 | 40 |
| width | - | 4.4 mm | 4.4 mm | 4.4 mm | 4.4 mm |
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