NCV8770 LDO Regulator - Ultra Low I Reset q, 350 mA The NCV8770 is 350 mA LDO regulator with integrated reset NCV8770 V in V out Thermal RO Shutdown Driver With Erorr Amplifier Reset Comparator Reset Driver Current Limit Reference Timing DT Circuit * Timer GND * PullDown Resistor (typ 150 k ) active only in Reset State Figure 2. Simplified Block Diagram PIN CONNECTIONS PIN 1.V PIN 1.V in in 2. RO 2. RO Tab, 3.GND Tab, 3.GND 4. DT 4. DT 5. V 5. V out out 1 1 2 DPAK5 D PAK5 Figure 3. Pin Connections PIN FUNCTION DESCRIPTION Pin No. DPAK5 D2PAK5 Pin Name Description 1 V Positive Power Supply Input. Connect 0.1 F capacitor to ground. in 2 RO Reset Output. 30 k internal Pullup resistor connected to V . RO goes Low when V drops by more out out than 7% (typ) from its nominal value (for NCV8770y devices with y = 1,2,3,...) or more than 10% (typ) from its nominal value (for NCV8770y devices with y = A, B, C,...). 3, TAB GND Power Supply Ground. 4 DT Reset Delay Time Select. Short to GND or connected to V to select time. out 5 V Regulated Output Voltage. Connect 1 F capacitor with ESR < 100 to ground. out NC Not Connected GND Exposed Pad is Connected to Ground.