ChipNobo Replacement
NB28C57LDR
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
Image for reference only
| Parameter | Texas InstrumentsUCC28C57LDR | ChipNoboNB28C57LDR | Match |
|---|---|---|---|
| Part Status | Active | Active | |
| Mounting Type | Surface Mount | Surface Mount | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | |
| Number of Outputs | 1 | 1 | |
| Supplier Device Package | 8-SOIC | 8-SOIC | |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | |
| Output Configuration | Positive | Positive | |
| Function | Step-Up Step-Down Step-Up/Step-Down | Step-Up Step-Down Step-Up/Step-Down | |
| Output Type | Transistor Driver | Transistor Driver | |
| Output Phases | 1 | 1 | |
| Clock Sync | Yes | Yes | |
| Synchronous Rectifier | Yes | Yes | |
| Frequency - Switching | 1MHz | 1MHz | |
| Duty Cycle (Max) | 50% | 50% | |
| Topology | Buck Boost Flyback Forward Converter SEPIC | Buck Boost Flyback Forward Converter SEPIC | |
| Control Features | Current Limit Dead Time Control Enable Frequency Control Soft Start | Current Limit Dead Time Control Enable Frequency Control Soft Start | |
| Voltage - Supply (Vcc/Vdd) | 30V | 30V | |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Lifecycle status | Active |
|---|---|
| NRND | No |
| EOL | No |
| PCN monitor | No |
| Last buy date | No Deadline |
| Alternate availability | Sufficient |
| Application areas | |
| EV DC/DC Converter | On-Board Charger (OBC) |
| Server PSU | 48V Power Shelf |
| VRM Module | AI Server |
| GPU Server | Telecom Power System |
| 5G Base Station | Solar Inverter |
| Energy Storage System (ESS) | Industrial UPS |
100% Pin-to-Pin Compatible • Same Package • Same Key Electrical Parameters • Same Application
NB28C57LDR
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
NB28C57LDR