ChipNobo Replacement
NB6644
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
Image for reference only
Global Brand Reference
- Product type
- Voltage Regulators - DC DC Switching Regulators
- Description
- IC REG BCK ADJ/0.9V 350MA 10DFN
- Original MPN
- PM6644
- Manufacturer
- STMicroelectronics
ChipNobo MPN
NB6644
- High-reliability design
- Long-term stable supply
- RoHS compliant
Technical specification comparison (core parameters)
| Parameter | STMicroelectronicsPM6644 | ChipNoboNB6644 | Match |
|---|---|---|---|
| Part Status | Active | Active | |
| Mounting Type | Surface Mount | Surface Mount | |
| Number of Outputs | 1 | 1 | |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | |
| Output Configuration | Positive | Positive | |
| Output Type | Adjustable (Fixed) | Adjustable (Fixed) | |
| Voltage - Input (Max) | 25V | 25V | |
| Voltage - Input (Min) | 4.5V | 4.5V | |
| Function | Step-Down | Step-Down | |
| Topology | Buck | Buck | |
| Synchronous Rectifier | Yes | Yes | |
| Voltage - Output (Max) | 8V | 8V | |
| Package / Case | 10-VFDFN Exposed Pad | 10-VFDFN Exposed Pad | |
| Current - Output | 350mA | 350mA | |
| Supplier Device Package | 10-DFN (3x3) | 10-DFN (3x3) | |
| Frequency - Switching | 200kHz ~ 600kHz | 200kHz ~ 600kHz | |
| Voltage - Output (Min/Fixed) | 0.9V (3.47V) | 0.9V (3.47V) | |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 3 (168 Hours) |
Supply & lifecycle
| Lifecycle status | Active |
|---|---|
| NRND | No |
| EOL | No |
| PCN monitor | No |
| Last buy date | No Deadline |
| Alternate availability | Sufficient |
| Application areas | |
| ADAS Camera System | Smart Cockpit |
| EV DC/DC Converter | AI Server |
| GPU Server | VRM Module |
| 5G Base Station | Optical Module |
| Network Switch | PLC Controller |
| Smartphone | Energy Storage System (ESS) |
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
NB6644