The MQ7844B Power Modules are non-isolated dual-output dc-dc converter that operate over a wide input voltage range of 9~24Vdc and provide regulated dc output in size. Such a module is suitable to application with 3-cell Li+ battery with 18V charger power supply equipment. The modules have a maximum output power 12W with typical efficiency to 80% at full load.

?  Wide operating voltage: 9V ~ 20V

?  Startup input: 9.3V

?  Dual output: ±3V~±90V

?  Output Current: up to 150mA

?  Output power up to 12W

?  SPI interface

?  Digitalized output adjustment – 256-level

?  High Efficiency

u   TBD%（input 12V, output: 80V/100mA）

?  Over-current / Short-circuit protection –AutoRetry

?  Under-voltage Protection -- input

?  Over-Voltage Protection -- input

?  Monotonic start-up

?  Minimal space on PCB with low profile:

u  57mm x 36.2mm x14mm

?  Wide Operating Temperature:-40℃~+85℃

?  RoHS Compliant available

?  Medical equipment

?  Automatic Control