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.

Ø  Wide operating voltage: 9V ~ 20V

Ø  Startup input: 9.3V

Ø  Dual output: ±3V~±90V

Ø  Output Current: up to 150mA

Ø  Output power up to 12W

Ø  SPI interface

Ø  Digitalized output adjustment – 256-level

Ø  High Efficiency

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

Ø  Over-current / Short-circuit protection –AutoRetry

Ø  Under-voltage Protection -- input

Ø  Over-Voltage Protection -- input

Ø  Monotonic start-up

Ø  Minimal space on PCB with low profile:

u  57mm x 36.2mm x14mm

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

Ø  RoHS Compliant available

Ø  Medical equipment

Ø  Automatic Control