Cincon CQB75W14 Series 75W 14:1 Input Isolated DC-DC Converter
Cincon CQB75W14 Series 75W 14:1 Input Isolated DC-DC Converter
The Cincon CQB75W14 Series is a high-performance 75W isolated DC-DC converter designed for demanding industrial, transportation, and railway power applications. With an ultra-wide 12–160VDC input range, the series supports various DC bus systems and provides stable regulated single outputs including 5V, 12V, 15V, 24V, 28V, and 54V.
Built in an industry-standard quarter-brick package, the CQB75W14 Series offers high efficiency up to 91%, 3000Vac input-to-output isolation, remote on/off control, low no-load power consumption, and full protection functions including OTP, OCP, OVP, and UVLO.

Key Features
75W isolated DC-DC converter
Ultra-wide 14:1 input range: 12–160VDC
Nominal input voltage: 72VDC
Single regulated outputs: 5V, 12V, 15V, 24V, 28V, 54V
Efficiency up to 91%
3000Vac I/O isolation
Operating case temperature: -40°C to +105°C
Quarter-brick size: 2.28” × 1.45” × 0.5”
Remote On/Off control
Low no-load power consumption
Fully protected: OTP / OCP / OVP / UVLO
EN 50155 compliant with external circuits
EN 61373 shock and vibration compliant
EN 45545-2 fire and smoke compliant
UL 62368-1 and CB IEC 62368-1 approvals
Optional model with bus and external UVLO function
Model Selection Table
| Model Number | Input Voltage | Output Voltage | Max Output Current | Full Load Input Current | Efficiency | Max Capacitive Load |
| CQB75W14-72S05 | 12–160VDC | 5VDC | 15A | 1190mA | 89% / 87.5% | 15000µF |
| CQB75W14-72S12 | 12–160VDC | 12VDC | 6.3A | 1193mA | 88% / 87% | 6300µF |
| CQB75W14-72S15 | 12–160VDC | 15VDC | 5A | 1170mA | 89.5% / 88.5% | 5000µF |
| CQB75W14-72S24 | 12–160VDC | 24VDC | 3.12A | 1169mA | 89.5% / 89% | 3120µF |
| CQB75W14-72S28 | 12–160VDC | 28VDC | 2.7A | 1167mA | 91% / 89% | 2700µF |
| CQB75W14-72S54 | 12–160VDC | 54VDC | 1.4A | 1167mA | 91% / 88.5% | 750µF |
Applications
The Cincon CQB75W14 Series is suitable for:
Railway power systems
Transportation electronics
Industrial control systems
Battery-powered equipment
Distributed power architecture
Communication equipment
High-voltage DC bus conversion
Embedded power supply systems
Rugged electronic equipment
CINCON is a TAIWAN brand, we are the distributors, If you want to know more about CINCON DC-DC power modules, you can contact DataStorageIC.



