ISL6719ARZ-T Renesas

ISL6719 Data Sheet October 1, 2007 FN6555.1 100V Linear Bias Supply Features The ISL6719 is a low cost linear regulator for generating a 100+ Volt Input Capability low voltage bias supply from intermediate distributed Adjustable Output from 1.5V to 20V voltages commonly used in telecom and datacom Up to 100mA Output Current applications. It provides a single adjustable output rated at 100mA from either the input source or an auxiliary source Overcurrent Protection such as a transformer winding. The auxiliary source is Over-Temperature Protection selected whenever it has sufficient voltage to sustain the output. ENABLE and ENABLE N Inputs The ISL6719 may be used as a start-up or a continuous low Package Compliant with IPC2221A, Creepage and power regulator. When operating as a start-up regulator, it is Clearance Spacing Requirements capable of sourcing 100mA from a 100V source for short Pb-Free (RoHS Compliant) durations. This period of time allows the power supply to start-up and provide an alternate power source, such as the Applications output of a transformer winding, to the AUXIN input. This allows the regulated output to operate from a lower source Telecom/Datacom DC/DC Converters voltage to minimize power loss. Low Power Bias Supplies Ordering Information Pinout ISL6719 PART (9 LD DFN) NUMBER PART TEMP. PACKAGE PKG. TOP VIEW (Note) MARKING RANGE (C) (Pb-Free) DWG. ISL6719ARZ* 19AZ -40 to +105 9 Ld DFN L9.3x3 VPWR GND 1 9 *Add -T suffix for tape and reel. Please refer to TB347 for details on 8 ENABLE N reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ AUXIN ENABLE 2 7 special Pb-free material sets molding compounds/die attach VSW 3 6 COMPB materials and 100% matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and VSW FB 4 5 COMPA Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. CAUTION: These devices are sensitive to electrostatic discharge follow proper IC Handling Procedures. 1 1-888-INTERSIL or 1-888-468-3774 Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2007. All Rights Reserved All other trademarks mentioned are the property of their respective owners.ISL6719 FN6555.1 2 October 1, 2007 Functional Block Diagram 0V TO 40V VPWR AUXIN 105V MAX INPUT SELECTOR 1.5V TO 20V 100mA VSW VSW REGULATOR START/STOP INT. BIAS INT. BIAS UV COMPARATOR ENABLE + 1.5V REF + VPWR OK - TEMP OK VSW FB + BG - COMPA GND TMON +150C TRIP COMPB +95C CLEAR INT. BIAS ENABLE INT-ENABLE ENABLE N POR - + BG + -