NCV4949C Voltage Regulator - Low Dropout, Reset, Sense 100 mA, 5.0 V The NCV4949C is a monolithic integrated 5.0 V voltage regulator www.onsemi.com with a very low dropout and additional functions such as reset and an uncommitted voltage sense comparator. It is designed for supplying microcontroller/microprocessor MARKING controlled systems particularly in automotive applications. The DIAGRAMS NCV4949C has improved reset behavior for lower input and output 8 voltage levels. SOIC8 V4949C Features 8 D SUFFIX ALYW CASE 75107 Operating DC Supply Voltage Range 5.5 V to 40 V 1 1 High Precision Output Voltage 5.0 V 1% Output Current Capability Up to 100 mA 8 Very Low Dropout Voltage Less Than 0.4 V SOIC8 EP V4949C 8 PD SUFFIX Reset Circuit Sensing The Output Voltage ALYW CASE 751AC 1 Programmable Reset Pulse Delay 1 Voltage Sense Comparator Fault Protection, +60 V Peak Transient Voltage, 40 V Reverse A = Assembly Location L = Wafer Lot Voltage, Short Circuit, Thermal Overload Y = Year NCV Prefix for Automotive and Other Applications Requiring Site W = Work Week and Change Control = PbFree Device (Note: Microdot may be in either location) These are PbFree Devices Output Voltage (V )84NC 3 C PIN CONNECTIONS out T Supply Voltage (V ) CC V 1 8 V CC out 1 S 2 7 S i o 2.0 A Reset NC Reset 3 6 6 C 4 5 GND T Regulator (Top View) Sense Reset Output (S ) Sense o Input (S ) i 7 ORDERING INFORMATION 2 See detailed ordering and shipping information in the package dimensions section on page 8 of this data sheet. 1.25 V V ref 2.0 V Sense 5 GND Figure 1. Representative Block Diagram Semiconductor Components Industries, LLC, 2017 1 Publication Order Number: October, 2019 Rev. 2 NCV4949C/DNCV4949C PIN FUNCTION DESCRIPTION SO8 Pin SO8 EP Symbol Description 1 1 V Supply Voltage CC 2 2 S Input of Sense Comparator i 4 4 C Reset Delay Capacitor T 5 5 GND Ground 6 6 Reset Output of Reset Comparator 7 7 S Output of Sense Comparator O 8 8 V Main Regulator Output out 3 3 NC No Connect EPAD EPAD Connect to Ground potential or leave unconnected MAXIMUM RATINGS Rating Symbol Min Max Unit DC Operating Supply Voltage V 5.5 40 V CC Input to Regulator V 40 45 V CC Transient Supply Voltage (Note 1) V 60 V CC TR Output V 0.5 20 V out I 10 Internally Limited mA out Sense Input V 40 45 V SI I 1.0 1.0 mA SI Sense Output V 0.3 7.0 V SO I 5.0 5.0 mA SO Reset Output V 0.3 7.0 V Reset I 5.0 5.0 mA Reset Reset Delay V 0.3 7.0 V CT I Internally Limited Internally Limited mA CT ESD Protection at any pin Human Body Model 4000 V Machine Model 400 Operating Junction Temperature Range T 40 +150 C J Storage Temperature Range T 50 +150 C STG Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Load Dump Test B (with centralized load dump suppression) according to ISO16750-2 standard. Guaranteed by design. Not tested in production. Passed Class C according to ISO16750-1. THERMAL CHARACTERISTICS Characteristic Test Conditions (Typical Values) Unit Note 2 Note 3 Note 4 SOIC8 JunctiontoLead ( ) 65.6 62 61 C/W JLx6 JL6 169.4 147.6 127.2 JunctiontoAmbient (R , ) JA JA 36.1 32.1 27.4 C/W SOIC8 EP JunctiontoLead ( , ) JL6 JL6 109.2 91.1 71.9 JunctiontoAmbient (R , ) JA JA 2. 1 oz. Copper, 100 mm sq. Copper area, 1.5 mm thick FR4. 3. 1 oz. Copper, 200 mm sq. Copper area, 1.5 mm thick FR4. 4. 1 oz. Copper, 500 mm sq. Copper area, 1.5 mm thick FR4. LEAD TEMPERATURE SOLDERING REFLOW (Note 5) Rating Symbol Min Max Unit Reflow (SMD styles only) lead free 60 150 sec above 217, 40 sec max at peak Tsld 260 C Moisture Sensitivity Level (SOIC8) MSL Level 1 Moisture Sensitivity Level (SOIC 8EP) MSL Level 2 5. Per IPC / JEDEC JSTD020C. www.onsemi.com 2