NCV4275 5.0 V, 450 mA Low-Drop Voltage Regulator The NCV4275 is an integrated low dropout regulator designed for use in harsh automotive environments. It includes wide operating temperature and input voltage ranges. The output is regulated at 5.0 V and is rated to 450 mA of output current. It also NCV4275 PIN FUNCTION DESCRIPTION Pin No. Symbol Description 1 I Input Battery Supply Input Voltage. Bypass to ground with a ceramic capacitor. 2 RO Reset Output Open Collector Active Reset (accurate when I > 1.0 V). 3 GND Ground Pin 3 internally connected to tab. 4 D Reset Delay timing capacitor to GND for Reset Delay function. 5 Q Output 2.0%, 450 mA output. 22 F, ESR < 5.0 to ground. MAXIMUM RATINGS Rating Symbol Min Max Unit Input Voltage V 42 45 V I Input Peak Transient Voltage V 45 V I Output Voltage V 1.0 16 V Q Reset Output Voltage V 0.3 25 V RO Reset Output Current I 5.0 5.0 mA RO Reset Delay Voltage V 0.3 7.0 V D Reset Delay Current I 2.0 2.0 mA D Input Voltage Operating Range V 5.5 42 V I ESD Susceptibility Human Body Model 4.0 kV Machine Model 200 V Junction Temperature T 40 150 C J Storage Temperature T 55 150 C stg Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. LEAD TEMPERATURE SOLDERING REFLOW (Note 1) Lead Free, 60 sec150 sec above 217 T 265 Peak C SLD Leaded, 60 sec150 sec above 183 T 240 Peak C SLD THERMAL CHARACTERISTICS Characteristic Test Conditions (Typical Value) Unit DPAK 5PIN PACKAGE Min Pad Board (Note 2) 1 Pad Board (Note 3) Junction toTab (psiJLx, ) 4.2 4.7 C/W JLx JunctiontoAmbient (R , ) 100.9 46.8 C/W JA JA 2 D PAK 5PIN PACKAGE 0.4 sq. in. Spreader Board (Note 4) 1.2 sq. in. Spreader Board (Note 5) Junction toTab (psiJLx, ) 3.8 4.0 C/W JLx JunctiontoAmbient (R , ) 74.8 41.6 C/W JA JA 1. PR IPC / JEDEC JSTD020C R 2 2 2. 1 oz. copper, 0.26 inch (168 mm ) copper area, 0.062 thick FR4. 2 2 3. 1 oz. copper, 1.14 inch (736 mm ) copper area, 0.062 thick FR4. 2 2 4. 1 oz. copper, 0.373 inch (241 mm ) copper area, 0.062 thick FR4. 2 2 5. 1 oz. copper, 1.222 inch (788 mm ) copper area, 0.062 thick FR4. During the voltage range which exceeds the maximum tested voltage of I, operation is assured, but not specified. Wider limits may apply. Thermal dissipation must be observed closely.