ChipNobo Replacement
NB1803J
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
Image for reference only
Global Brand Reference
- Product type
- DC DC Switching Controllers
- Description
- LOW-POWER BICMOS CURRENT-MODE PW
- Original MPN
- UCC1803J
- Manufacturer
- Texas Instruments
ChipNobo MPN
NB1803J
- High-reliability design
- Long-term stable supply
- RoHS compliant
Technical specification comparison (core parameters)
| Parameter | Texas InstrumentsUCC1803J | ChipNoboNB1803J | Match |
|---|---|---|---|
| Mounting Type | Through Hole | Through Hole | |
| Part Status | Active | Active | |
| Number of Outputs | 1 | 1 | |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | |
| Output Configuration | Positive | Positive | |
| Package / Case | 8-CDIP (0.300", 7.62mm) | 8-CDIP (0.300", 7.62mm) | |
| Synchronous Rectifier | No | No | |
| Output Type | Transistor Driver | Transistor Driver | |
| Output Phases | 1 | 1 | |
| Clock Sync | No | No | |
| Function | Step-Up/Step-Down | Step-Up/Step-Down | |
| Supplier Device Package | 8-CDIP | 8-CDIP | |
| Duty Cycle (Max) | 99% | 99% | |
| Frequency - Switching | Up to 1MHz | Up to 1MHz | |
| Topology | Boost Buck Flyback Forward Converter | Boost Buck Flyback Forward Converter | |
| Control Features | Current Limit Dead Time Control Soft Start | Current Limit Dead Time Control Soft Start | |
| Voltage - Supply (Vcc/Vdd) | 3.6V ~ 11V | 3.6V ~ 11V | |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | Not Applicable | Not Applicable |
Supply & lifecycle
| 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 |
Compatibility verification
封装匹配
Package Match
引脚匹配
Pin Match
电气参数匹配
Electrical Match
工作范围匹配
Operating Range Match
品质与可靠性匹配
Qualification Match
100%脚对脚兼容
Pin-to-pin Compatible
Pin-to-Pin Replacement Solutions
100% Pin-to-Pin Compatible • Same Package • Same Key Electrical Parameters • Same Application
Related products
View more >Part Number
NB1803J