CHIPNOBO
Semiconductor Replacement Engineering & Supply Continuity
DC DC Switching Controllers
PRODUCT DATASHEET
ChipNobo MPN
NB1803J
GLOBAL BRAND CROSS-REFERENCE
Texas Instruments
LOW-POWER BICMOS CURRENT-MODE PW
UCC1803J
- High-reliability design
- Long-term stable supply
- RoHS compliant
LOW-POWER BICMOS CURRENT-MODE PW
1. PRODUCT POSITIONING
NB1803J is a product identity corresponding to the reference product UCC1803J. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.
This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.
| 2. TECHNICAL SPECIFICATION COMPARISON (core parameters) | |||
|---|---|---|---|
| Parameter | Texas Instruments UCC1803J | ChipNobo NB1803J | 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 | ✓ |