ChipNobo Replacement
NB3855IUJ#PBF
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 BUCK 40QFN
- Original MPN
- LTC3855IUJ#PBF
- Manufacturer
- Analog Devices Inc.
ChipNobo MPN
NB3855IUJ#PBF
- High-reliability design
- Long-term stable supply
- RoHS compliant
Technical specification comparison (core parameters)
| Parameter | Analog Devices Inc.LTC3855IUJ#PBF | ChipNoboNB3855IUJ#PBF | Match |
|---|---|---|---|
| Part Status | Active | Active | |
| Mounting Type | Surface Mount | Surface Mount | |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | |
| Output Configuration | Positive | Positive | |
| Number of Outputs | 2 | 2 | |
| Output Type | Transistor Driver | Transistor Driver | |
| Clock Sync | No | No | |
| Function | Step-Down | Step-Down | |
| Topology | Buck | Buck | |
| Synchronous Rectifier | Yes | Yes | |
| Output Phases | 2 | 2 | |
| Duty Cycle (Max) | 95% | 95% | |
| Supplier Device Package | 40-QFN (6x6) | 40-QFN (6x6) | |
| Package / Case | 40-WFQFN Exposed Pad | 40-WFQFN Exposed Pad | |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V | 4.5V ~ 38V | |
| Control Features | Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking | Current Limit Enable Frequency Control Phase Control Power Good Soft Start Tracking | |
| Frequency - Switching | 250kHz ~ 770kHz | 250kHz ~ 770kHz | |
| RoHS Status | ROHS3 Compliant | ROHS3 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
NB3855IUJ#PBF