ChipNobo Replacement
NB494CN
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
Image for reference only
Global Brand Reference
- Product type
- DC DC Switching Controllers
- Description
- IC REG CTRLR BCK/PUSH-PULL 16DIP
- Original MPN
- TL494CN
- Manufacturer
- onsemi
ChipNobo MPN
NB494CN
- High-reliability design
- Long-term stable supply
- RoHS compliant
Technical specification comparison (core parameters)
| Parameter | onsemiTL494CN | ChipNoboNB494CN | Match |
|---|---|---|---|
| Part Status | Active | Active | |
| Mounting Type | Through Hole | Through Hole | |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | |
| Supplier Device Package | 16-PDIP | 16-PDIP | |
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | |
| Output Configuration | Positive | Positive | |
| Number of Outputs | 2 | 2 | |
| Output Type | Transistor Driver | Transistor Driver | |
| Output Phases | 1 | 1 | |
| Clock Sync | No | No | |
| Synchronous Rectifier | Yes | Yes | |
| Frequency - Switching | 200kHz | 200kHz | |
| Voltage - Supply (Vcc/Vdd) | 7V ~ 40V | 7V ~ 40V | |
| Control Features | Dead Time Control, Frequency Control | Dead Time Control, Frequency Control | |
| Duty Cycle (Max) | 48% | 48% | |
| Function | Step-Down, Step-Up/Step-Down | Step-Down, Step-Up/Step-Down | |
| Topology | Buck, Push-Pull | Buck, Push-Pull | |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
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
NB494CN