1. Overview & Description:

️· Product: SMT15F-12 series non-isolated DC-DC converters.
️· Function: Converts a 12V input to a selectable output voltage.
️· Input Voltage Range: 10.8 Vdc to 13.2 Vdc.
️· Output Voltage Range: 1.0 Vdc to 1.8 Vdc (selectable).
️· Maximum Load: 15 Amps.
️· Applications: Distributed power, workstations, optical networks, wireless applications.
️· Package: Surface-mount.

2. Key Specifications (Typical Values at 25°C and Full Load):

️· Efficiency: Up to 88%.
️· Line Regulation: ±1.0%.
️· Load Regulation: ±1.0%.
️· Voltage Adjustability: ±10% (Trimmable).
️· Transient Response: Voltage deviation of 45mV with recovery time of 10us for a 7.5A load step (example provided).

3. Features & Options:

️· Remote On/Off Control: Allows for remote power control. "Active High" implementation; pin open = converter on. “Active Low” version available with a suffix of 'R' (e.g., SMT15F-12S1V8RJ).
️· Trimmable Output: Output voltage can be adjusted within a ±10% range.
️· RoHS Compliant: Available in versions that comply with RoHS standards.
️· No External Capacitors Required: Simplified design.

4. Important Notes & Considerations:

️· Input Capacitor: A 270μF electrolytic input capacitor may be necessary for optimal performance (testing purposes).
️· Derating Curve: Performance may need to be adjusted based on operating conditions. Refer to the derating curve (Figure 1).
️· Pinout: Pin 1: +Vin, Pin 2: GND, Pin 3: +Vout, Pin 1: Trim, Pin 5: +Vsense, Pin 6: Remote ON/OFF (Refer to Figure 5).

5. Contact Information:

️· Provided contact details for Americas, Europe (UK), and Asia (Hong Kong).
️· Website: [www.powerconversion.com](www.powerconversion.com)
️· Technical Support: [technicalsupport@powerconversion.com](technicalsupport@powerconversion.com)



This summary highlights the essential information contained within the datasheet, giving a good understanding of the SMT15F-12 converter's capabilities and design considerations.