Dual Synchronous Buck Regulator Controller
| LM2647 | LM2647LQ | LM2647LQX | LM2647MTC | LM2647MTCX | |
|---|---|---|---|---|---|
| Description | Dual Synchronous Buck Regulator Controller | Dual Synchronous Buck Regulator Controller | Dual Synchronous Buck Regulator Controller | Dual Synchronous Buck Regulator Controller | Dual Synchronous Buck Regulator Controller |
| Is it Rohs certified? | - | incompatible | incompatible | incompatible | incompatible |
| Maker | - | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） |
| package instruction | - | LLP-28 | LLP-28 | TSSOP-28 | TSSOP-28 |
| Reach Compliance Code | - | _compli | _compli | _compli | _compli |
| ECCN code | - | EAR99 | EAR99 | EAR99 | EAR99 |
| Analog Integrated Circuits - Other Types | - | DUAL SWITCHING CONTROLLER | DUAL SWITCHING CONTROLLER | DUAL SWITCHING CONTROLLER | DUAL 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 | - | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Minimum input voltage | - | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| Nominal input voltage | - | 5 V | 5 V | 5 V | 5 V |
| JESD-30 code | - | S-XQCC-N28 | S-XQCC-N28 | R-PDSO-G28 | R-PDSO-G28 |
| JESD-609 code | - | e0 | e0 | e0 | e0 |
| length | - | 5 mm | 5 mm | 9.7 mm | 9.7 mm |
| Humidity sensitivity level | - | 1 | 1 | 3 | 3 |
| Number of functions | - | 1 | 1 | 1 | 1 |
| Number of terminals | - | 28 | 28 | 28 | 28 |
| Package body material | - | UNSPECIFIED | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | - | HVQCCN | HVQCCN | TSSOP | TSSOP |
| Encapsulate equivalent code | - | LCC28,.2SQ,20 | LCC28,.2SQ,20 | TSSOP28,.25 | TSSOP28,.25 |
| Package shape | - | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR |
| Package form | - | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Celsius) | - | 260 | 260 | 235 | 235 |
| Certification status | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | - | 0.8 mm | 0.8 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 | - | 345 kHz | 345 kHz | 345 kHz | 345 kHz |
| Terminal surface | - | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | - | NO LEAD | NO LEAD | GULL WING | GULL WING |
| Terminal pitch | - | 0.5 mm | 0.5 mm | 0.65 mm | 0.65 mm |
| Terminal location | - | QUAD | QUAD | DUAL | DUAL |
| Maximum time at peak reflow temperature | - | 40 | 40 | 30 | 30 |
| width | - | 5 mm | 5 mm | 4.4 mm | 4.4 mm |
| Is Samacsys | - | - | N | N | N |
| Base Number Matches | - | - | 1 | 1 | 1 |
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