MP201DS-LF

MP201 Dying Gasp Storage and Release Control IC The Future of Analog IC Technology DESCRIPTION FEATURES The MP201 is a dying gasp storage and release Wide 4.5V to 18V Input Operating Range controller. It charges storage capacitor from the 2.5A dumping current from Storage to VIN input during normal operation. Once the storage Built-in 260mA Current Limit for Charging capacitor is charged to the selected voltage, the Storage Capacitor charge is stopped, and the storage capacitor is User Programmable Storage and Release separated from the input. The charging circuit Voltage maintains the storage voltage after the charge Dying Gasp FLAG Indicator is completed. Available in SOIC-8 package The MP201 keeps monitoring the input voltage, and releases the charge from storage capacitor APPLICATIONS to input capacitor when the input voltage is Cable/DSL/PON Modems lower than the selected release voltage. It Home Gateway regulates the input voltage to keep it close to Access Point Networks release voltage for as long as possible. All MPS parts are lead-free and adhere to the RoHS directive. For MPS green The MP201 has built-in current limit circuit status, please visit MPS website under Products, Quality Assurance page. MPS and The Future of Analog IC Technology are registered trademarks of during the charging up of the storage capacitors. Monolithic Power Systems, Inc. The storage and release voltage can be programmed to users desired value by external resistors. The MP201 comes in an SOIC-8 package and requires a minimum number of readily available standard external components. TYPICAL APPLICATION C3 VIN 2.2nF 4.5V to 18V C2 15pF 2 8 C1 C4 47 R5 VIN VMAX R3 22nF 10 464k Connect 3 1 FB2 BST to SW R4 MP201 V STORAGE 7 VSTRG STRG 5V/div. 23V V Open Drain IN R1 6 C5 5V/div. Output GASP 845k 1000 GASP 5 FB1 10V/div. 4 I RELEASE GND R2 1A/div. 37.4k MP201 Rev. 1.01 www.MonolithicPower.com 1 11/27/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2012 MPS. All Rights Reserved. MP201 DYING GASP STORAGE AND RELEASE CONTROL IC ORDERING INFORMATION Part Number* Package Top Marking MP201DS SOIC-8 MP201 * For Tape & Reel, add suffix Z (eg.MP201DSZ) For RoHS compliant packaging, add suffix LF (e.g. MP201DSLFZ) PACKAGE REFERENCE TOP VIEW BST 1 8 VMAX VIN 2 7 STRG FB2 3 6 GASP GND 4 5 FB1 SOIC-8 (1) (4) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC V ..................................................-0.3V to 22V IN SOIC-8.................................... 90...... 45... C/W V ...............................................-0.3V to 40V BST Notes: V -V -0.3V to 25V BST IN 1) Exceeding these ratings may damage the device. V .................................................-0.3V to 42V MAX 2) The maximum allowable power dissipation is a function of the V -V .......-0.3V to 25V MAX IN maximum junction temperature T (MAX), the junction-to- J ambient thermal resistance , and the ambient temperature V ...............................................-0.3V to 32V JA STRG T . The maximum allowable continuous power dissipation at A V -V ..-0.3V to 25V STRG IN any ambient temperature is calculated by P (MAX) = (T D J V ...............................................-0.3V to 22V GASP (MAX)-T )/ . Exceeding the maximum allowable power A JA dissipation will cause excessive die temperature, and the All Other Pins.................................-0.3V to 6.5V regulator will go into thermal shutdown. Internal thermal Junction Temperature...............................150C shutdown circuitry protects the device from permanent damage. Lead Temperature ....................................260C (2) 3) The device is not guaranteed to function outside of its Continuous Power Dissipation (T = +25C) A operating conditions..........................................................1.39W 4) Measured on JESD51-7, 4-layer PCB. Junction Temperature...............................150C (3) Recommended Operating Conditions Supply Voltage V ...........................4.5V to 18V IN Storage Voltage V ........................................ STRG ................................Vin to 2V -0.8V(32V max) IN Operating Junction Temp. (T ). -40C to +125C J MP201 Rev. 1.01 www.MonolithicPower.com 2 11/27/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2012 MPS. All Rights Reserved.