NCP5500DADJR2G ON Semiconductor

NCP5500, NCV5500, NCP5501, NCV5501 LDO Voltage Regulator 500 mA These linear low drop voltage regulators provide up to 500 mA over NCP5500, NCV5500, NCP5501, NCV5501 NCP5500 NCP5501 NCV5500 NCV5501 V V out in Output Input C in C out 10 F R * 1 4.7 F Enable EN* NC/ADJ* R L GND OFF ON R * 2 GND *Applicable to NCP5500/NCV5500 only. Figure 1. Typical Application Circuit PIN FUNCTION DESCRIPTIONS DPAK 3 DPAK 5 SOIC8 Pin Pin No. Pin No. Pin No. Name Description 1 8 EN Enable. This pin allows for on/off control of the regulator. High level turns on the output. To disable the device, connect to ground. If this function is not in use, con- nect to V . in 1 2 1 V Positive power supply input voltage. in 2, Tab 3, Tab 2, 3, 6, 7 GND Ground. This pin is internally connected to the Tab heat sink. 3 4 4 V Regulated output voltage. out 5 5 NC/ADJ No connection (Fixed output versions). Voltageadjust input (Adjustable output version). Use an external voltage divider to set the output voltage over a range of 1.25 V to 5.0 V. V V in out Current Limit and Error Saturation Sense Amplifier Bandgap Reference + Thermal Shutdown Connection for Fixed Output Enable EN* Block* GND Connection for Adjustable Output NC / ADJ* *Applicable to NCP5500/NCV5500 only. Figure 2. Block Diagram