NCV8664 Very Low I Low Dropout q Linear Regulator The NCV8664 is a precision 3.3 V and 5.0 V fixed output, low dropout integrated voltage regulator with an output current capability of 150 mA. Careful management of light load current NCV8664 IN OUT Bias Current Generators 1.3 V + Reference Error Amp - Thermal Shutdown GND Figure 1. Block Diagram PIN FUNCTION DESCRIPTION Pin No. DPAK/SOT223 SOIC8 Symbol Function 1 2 V Unregulated input voltage 4.5 V to 45 V. IN 2 3 GND Ground substrate. 3 4 V Regulated output voltage collector of the internal PNP pass transistor. OUT TAB GND Ground substrate and best thermal connection to the die. 1, 58 NC No Connection. OPERATING RANGE Pin Symbol, Parameter Symbol Min Max Unit V 4.5 +45 V V , DC Input Operating Voltage IN IN Junction Temperature Operating Range T 40 +150 C J MAXIMUM RATINGS Rating Symbol Min Max Unit V 42 +45 V V , DC Voltage IN IN V , DC Voltage V 0.3 +18 V OUT OUT Storage Temperature T 55 +150 C stg ESD Capability, Human Body Model (Note 1) V 4000 V ESDHB ESD Capability, Machine Model (Note 1) V 200 V ESDMIM 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. This device series incorporates ESD protection and is tested by the following methods: ESD HBM tested per AECQ100002 (EIA/JESD22A 114C) ESD MM tested per AECQ100003 (EIA/JESD22A 115C) THERMAL RESISTANCE Parameter Symbol Condition Min Max Unit Junction toAmbient DPAK R 101 (Note 2) C/W JA SOT223 99 (Note 2) SOIC8 Fused 145 Junction toCase DPAK R 9.0 C/W JC SOT223 17 SOIC8 Fused 2 2. 1 oz., 100 mm copper area.