Wide Input Range, No RSENSE Positive-to-Negative DC/DC Controller ### **LTC3704IMS#PBF Manufacturer: Linear Technology (now part of Analog Devices)**
#### **Specifications:**
- **Function:** High Efficiency, No Rsense™ Synchronous Step-Down Switching Regulator
- **Input Voltage Range:** 4V to 36V
- **Output Voltage Range:** Adjustable from 0.8V to 24V
- **Output Current:** Up to 5A
- **Switching Frequency:** Adjustable (100kHz to 600kHz)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 10-Lead MSOP
- **Features:**
- No sense resistor required (reduces power loss)
- Low dropout operation (100% duty cycle)
- Programmable soft-start
- Power good output
- Synchronizable to an external clock
- Overcurrent and overtemperature protection
#### **Descriptions:**
The LTC3704IMS#PBF is a high-efficiency, synchronous step-down DC/DC converter designed for applications requiring high power density and efficiency. It eliminates the need for an external current sense resistor, improving efficiency and reducing component count. The device operates over a wide input voltage range and supports adjustable output voltage and switching frequency.
#### **Features:**
- **No Rsense™ Technology:** Reduces power loss by eliminating the need for a current sense resistor.
- **Wide Input Range:** Supports 4V to 36V input, suitable for automotive and industrial applications.
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.
- **Adjustable Frequency:** Allows optimization for efficiency or component size.
- **Low Dropout Operation:** Supports 100% duty cycle for low input-output differentials.
- **Protection Features:** Includes overcurrent and thermal shutdown protection.
- **Programmable Soft-Start:** Reduces inrush current during startup.
- **Power Good Indicator:** Monitors output voltage status.
This regulator is ideal for power supplies in telecom, automotive, and industrial systems.
