U. NJW4190/NJW4191 D. Doubler/Invert Charge Pump IC PACKAGE OUTLINE FEATURES z Operating Voltage Range 6V to 15V z Output Current 55mA z VOUT Programmable z Stand-by Function z Synchronizable to an External Clock divide-by-4 counter z Thermal Shutdown z Package Outline DMP8, VSP8 NJW4190M NJW4191M (DMP8) Doubler Charge Pump NJW4190R NJW4191R (VSP8) Inverting Charge Pump Maximum Output Voltage 30V Maximum Output Voltage -15V ON/OFF ON/OFF Level Shift High: ON Low : OFF Thermal Shut Down Clock Generator VOUT VOUT C+ Level Shift 1/4 Divider + V C- Level Shift V GND + V Clock Generator 1μF 1/4 Divider 1μF 1μF C- Level Shift VOUT VOUT CLK GND FB CLK V + C+ Level Shift Thermal Shut Down 1μF 1μF + High: ON Low : OFF 1μF FB Vref Vref Please note that this device is still under the development and therefore the specifications are subject to change. MLCC is corresponding Ver.2010/09/03 1 NJW4190/91 Advantage and Difference with SW.REG. Charge pump IC is boost or inverted voltage converter of the small electric power usage with few emission noise. These are suitable for Bias Voltage Source of LCD-panel, CCD, Sensor and Amplifier. NJW4190/91 are improved about following matters: MLCC corresponding, Output Current Capability and Output Voltage adjustment NJW4190 NJW4191 Competitive 7662 For doubler For Inverting For Doubler/ Negative Operating Voltage Range 6V∼15V 6V∼15V 6V∼20V Capacitor MLCC:1μF MLCC:1μF AL:10μF Output Current Over 20mA Over 20mA Up to 20mA Setting Output Voltage Available Available NG ON/OFF x x None Thermal Shutdown Thermal Shutdown None VSP8, DMP8 VSP8, DMP8 DIP8, DMP8 Circuit Type SW-Reg IC Charge Pomp IC Emission noise is big to use Inductor Emission noise is small to use capacitor Required many ext parts Ext parts is little Rising cost Low cost Output power is high Output power is low Wide output voltage range Limited output voltage range Please note that this device is still under the development and therefore the specifications are subject to change. Protection Circuit Package Ver.2010/09/03 2