NCV4949A Voltage Regulator - Low Dropout, Reset, Sense 100 mA, 5.0 V The NCV4949A 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 DIAGRAMS controlled systems particularly in automotive applications. The NCV4949A has improved reset behavior for lower input and output 8 voltage levels. SOIC8 V4949A 8 D SUFFIX ALYWD Features CASE 751 1 Operating DC Supply Voltage Range 5.0 V to 28 V 1 Transient Supply Voltage Up to 40 V 8 High Precision Output Voltage 5.0 V 1% SOIC8 EP V4949A Output Current Capability Up to 100 mA 8 PD SUFFIX ALYW Very Low Dropout Voltage Less Than 0.4 V CASE 751AC 1 Reset Circuit Sensing The Output Voltage 1 Programmable Reset Pulse Delay Voltage Sense Comparator 20 Thermal Shutdown and Short Circuit Protections SOIC20 W NCV4949A DW SUFFIX AECQ100 Grade 1 Qualified and PPAP Capable AWLYYWWG CASE 751AC These are PbFree Devices 1 Output Voltage (V ) out A = Assembly Location V38 C4 Z T WL, L = Wafer Lot Supply YY, Y = Year Voltage (V ) CC Preregulator WW, W = Work Week 6.0 V G or = PbFree Device 1 (Note: Microdot may be in either location) 2.0 A Reset 6 PIN CONNECTIONS + 2.0 V - V 1 8 V Regulator CC out Sense Reset V Output Sense s S 2 7 S i o (S ) o Input (S ) i 7 V Reset 3 6 Z 2 + C 4 5 GND 1.23 V T - 1.23 V ref Sense (Top View) 5 GND ORDERING INFORMATION See detailed ordering and shipping information in the package Figure 1. Representative Block Diagram dimensions section on page 9 of this data sheet. Semiconductor Components Industries, LLC, 2014 1 Publication Order Number: October, 2019 Rev. 4 NCV4949A/DNCV4949A ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit DC Operating Supply Voltage (Note 1) V 28 V CC Transient Supply Voltage (t < 1.0 s) (Note 2) V 40 V CC TR Output Current I Internally Limited out Output Voltage (Note 1) V 20 V out Sense Input Current I 1.0 mA SI Sense Input Voltage (Note 1) V V SI CC Output Voltages (Note 1) V Reset Output V 20 Reset Sense Output V 20 SO Output Currents mA Reset Output I 5.0 Reset Sense Output I 5.0 SO Preregulator Output Voltage (Note 1) V 7.0 V Z Preregulator Output Current I 5.0 mA Z Reset Delay Voltage (Note 1) C 7.0 V T Reset Delay Current C Internally Limited T ESD Protection at any pin V Human Body Model 4000 Machine Model 200 Charged Device Model (SOIC20 W) 1000 Thermal Resistance, JunctiontoAir R C/W JA SOIC8 189.3 SOIC8 EP 84.8 SOIC20 W 95.8 Operating Junction Temperature Range T 40 to +150 C J Storage Temperature Range T 65 to +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. Absolute negative voltage on these pins not to go below 0.3 V. 2. Load Dump Test B (with centralized load dump suppression) according to ISO16750 2 standard. Guaranteed by design. Not tested in production. Passed Class B (V < 5.5 V) according to ISO167501. out LEAD TEMPERATURE SOLDERING REFLOW (Note 3) 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 Moisture Sensitivity Level (SOIC20W) MSL Level 3 3. Per IPC / JEDEC JSTD020C www.onsemi.com 2