NCP4680 150 mA, Low Noise Low Dropout Regulator The NCP4680 is a CMOS linear voltage regulator with 150 mA output current capability. The device is available in a tiny 0.8x0.8 mm XDFN, and has high output voltage accuracy, low supply current and NCP4680 VIN VOUT VIN VOUT Vref Vref Current Limit Current Limit CE CE GND GND NCP4680Hxxxx NCP4680Dxxxx Figure 2. Simplified Schematic Block Diagram PIN FUNCTION DESCRIPTION Pin No. Pin No. Pin No. XDFN4* SC 70 SOT23 Pin Name Description 1 4 5 V Output pin OUT 2 3 2 GND Ground 3 1 3 CE Chip enable pin (Active H) 4 5 1 V Input pin IN 2 4 NC No connection *Tab is GND level. (They are connected to the reverse side of this IC. The tab is better to be connected to the GND, but leaving it open is also acceptable. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) V 6.0 V IN Output Voltage V 0.3 to VIN + 0.3 V OUT Chip Enable Input V 6.0 V CE Output Current I 180 mA OUT Power Dissipation XDFN0808 286 mW Power Dissipation SC70 380 P D Power Dissipation SOT23 420 Junction Temperature T 40 to 150 C J Storage Temperature T 55 to 125 C STG ESD Capability, Human Body Model (Note 2) ESD 2000 V HBM ESD Capability, Machine Model (Note 2) ESD 200 V MM Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area. 2. This device series incorporates ESD protection and is tested by the following methods: ESD Human Body Model tested per AECQ100002 (EIA/JESD22A114) ESD Machine Model tested per AECQ100003 (EIA/JESD22A115) Latchup Current Maximum Rating tested per JEDEC standard: JESD78.