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BD3551HFN from ROHM

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BD3551HFN

Manufacturer: ROHM

Silicon monolithic integrated circuit 1ch Series Regulator Driver IC

Partnumber Manufacturer Quantity Availability
BD3551HFN ROHM 841 In Stock

Description and Introduction

Silicon monolithic integrated circuit 1ch Series Regulator Driver IC The BD3551HFN is a power management IC (PMIC) manufactured by ROHM Semiconductor. Below are the key specifications from Ic-phoenix technical data files:

1. **Function**: Multi-channel DC/DC converter  
2. **Output Channels**:  
   - 2-channel step-down (buck) DC/DC converter  
   - 1-channel step-up (boost) DC/DC converter  
3. **Input Voltage Range**:  
   - Buck converters: 4.5V to 18V  
   - Boost converter: 2.7V to 5.5V  
4. **Output Voltage Range**:  
   - Buck converters: Adjustable (0.8V to 12V)  
   - Boost converter: Adjustable (up to 18V)  
5. **Switching Frequency**: 300kHz to 2.2MHz (adjustable)  
6. **Maximum Output Current**:  
   - Buck converters: 1.5A per channel  
   - Boost converter: 1.5A  
7. **Efficiency**: Up to 95% (depending on load and conditions)  
8. **Protection Features**:  
   - Overcurrent protection (OCP)  
   - Thermal shutdown (TSD)  
   - Undervoltage lockout (UVLO)  
9. **Package**: HSOP-28 (Heat-Sink Small Outline Package)  
10. **Operating Temperature Range**: -40°C to +105°C  

This IC is designed for applications such as industrial equipment, automotive systems, and power supplies requiring multiple regulated voltages.  

(Note: Always verify with the latest datasheet from ROHM for updates.)

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