MIC69502WR Microchip

MIC69502 5A, Low V , Low V Cap LDO IN OUT Regulator General Description Features The MIC69502 is a 5A, low dropout linear regulator that Input voltage range: V : 1.65V to 5.5V IN provides low voltage high current outputs with a minimum 1.0% initial output tolerance of external components. It offers high precision and ultra Maximum dropout (V V ) of 500mV IN OUT low dropout of 500mV under worst case conditions. over temperature The MIC69502 operates from an input voltage of 1.65V to Adjustable output voltage down to 0.5V 5.5V. It is designed to drive digital circuits requiring low Stable with 10F ceramic output capacitor (5A) voltage at high currents (i.e. PLDs, DSP, microcontroller, etc.). The MIC69502 output is adjustable to a minimum of Excellent line and load regulation specifications 0.5V. Logic controlled shutdown The Cap design of the MIC69502 is optimized for stability Thermal shutdown and current limit protection with low value low-ESR ceramic output capacitors. 7-Pin S-Pak package Protection features of the MIC69502 include thermal 40C to +125C Temperature Junction shutdown and current limit protection. Logic enable and error flag pins are also available. Applications The MIC69502 is offered in the space-efficient S-PAK package. It has an operating temperature range of ASIC Core Voltage Regulator 40C to +125C. PLD/FPGA Core Power Supply Data sheets and support documentation can be found on Linear Point-of-Load Conversion Micrels web site at: www.micrel.com. High-Speed Post-Regulator Typical Application Dropout Voltage vs. Temperature 350 300 250 5A 200 150 2.5A 100 50 V = 1.8V OUT C = 10F OUT 0 20 40 60 80 Adjustable Regulator TEMPERATURE (C) Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC69502 Ordering Information Part Number* Output Output Junction Package Current Voltage** Temperature Range MIC69502WR 5A Adj. 40 to +125C 7-Pin S-PAK Note: * RoHS compliant with high-melting solder exemption. ** For fixed voltages available, please contact Micrel marketing for details. Pin Configuration 7 ADJ 6 VOUT 5 VOUT 4 GND 3 VIN 2 VIN 1EN 7-Pin S-PAK (R) Pin Description Pin Number Pin Name Pin Function 1 EN Enable (Input): CMOS compatible input. Logic high = enable, logic low = shutdown. Do not float. 2, 3 VIN Input voltage which supplies current to the output power device. 4 GND Ground (TAB is connected to ground on S-Pak). 5, 6 VOUT Regulator Output. ADJ Adjustable regulator feedback input. Connect to resistor voltage divider. Applies 7 only to adjustable output voltage parts. M9999-121406-B December 2006 2