Application Note August 2007 AN1349.0 ISL9106EVAL1Z evaluation IS

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Application Note August 2007 AN1349.0 ISL9106EVAL1Z evaluation IS

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ISL9106EVAL1Z Evaluation Board Application Manual
Application Note August 2007 AN1349.0
ISL9106EVAL1Z evaluation ISL9106 1.6MHz 1.2A quiescent current, high efficiency integrated step-down regulator. ISL9106 capable delivering 1.2A output current with output voltage range 0.8V ~VIN. output voltage voltage divider resistors board. default output voltage 1.6V evaluation board. complete ISL9106 regulator located center board. left side board connectors input power source (VIN GND). output connectors located right side GND). other test points signals respectively, labelled board. input needs either driven high logic input (Please refer ISL9106 datasheet, FN6509 more details regarding function). leave input signal floating. open-drain signal pulled through 100k resistor (R3). Jumper allows user enable disable Jumper mode selection input. leave MODE signal floating. evaluation board also offers oscilloscope probe connector connected minimize switching noise during evaluation. test point (labeled connected board order monitor voltage. evaluation board schematic, layout bill-of-materials (BOM) found this application note.
Features
Complete Evaluation Platform ISL9106 Convenient Jumpers Enable/Disable, Operation Mode Selection Pb-Free Plus (RoHS Compliant)
Recommended Equipment
following instruments recommended testing: Power supplies: 10V/5A Electronic load: capable sinking current Multimeters Function generator Oscilloscope Cables wires
Specifications
Table shows recommended operation conditions using ISL9106EVAL1Z.
TABLE RECOMMENDED OPERATION CONDITIONS PARAMETER Input Voltage Output Voltage (Note) Maximum Output Current UNIT
NOTE: output voltage other values changing values, VOUT 0.8V*(1+R2/R1). Refer ISL9106 datasheet some recommended values different output voltages.
Evaluation Board Setup Ordering Information
PART NUMBER ISL9106EVAL1Z DESCRIPTION Evaluation Board ISL9106
following steps setting evaluation board: Connect Jumper position "Enable" enable device. Connect position "Disable"will disable device. Connect Jumper either position "SKIP" "Forced PWM". With connected position "SKIP", device enters skip mode under light load condition; with connected position "FORCED PWM", device always operates under mode regardless load condition. Connect input either ground VIN. leave floating. Please refer ISL9106 datasheet, FN6509 more details regarding function RSI. Connect power supply with voltage range 2.7V ~5.5V between connectors. Make sure power supply enough supply current capability. adjust higher than recommended maximum supply voltage (5.5V). Connect output load (resistor electronic load). Turn input power supply evaluate device.
CAUTION: These devices sensitive electrostatic discharge; follow proper Handling Procedures. 1-888-INTERSIL 1-888-468-3774 Intersil (and design) registered trademark Intersil Americas Inc. Copyright Intersil Americas Inc. 2007. Rights Reserved other trademarks mentioned property their respective owners.
Pinout
ISL9106 VIEW
MODE
PGND SGND
Application Note 1349 ISL9106EVAL1Z Schematic
FIGURE ISL9106EVAL1Z SCHEMATIC
ISL9106EVAL1Z Bill Materials (BOM)
ITEM REFERENCE VIN, RSI, (x2) JP1, ISL9106 Capacitor, SMD, 10µF/6.3V, 10%, Capacitor, SMD, 10µF/6.3V, 10%, Capacitor, SMD, 220pF/50V, 10%, Resistor, SMD, 100k, 0.1W Inductor, 2.2µH Turret Terminal Scope Probe Test Point Test Point, Yellow Connect Header, PART DESCRIPTION FOOTPRINT PART NUMBER VENDOR Intersil Murata Murata
ISL9106 0805 0805 0603 0603 GRM21BR60J106KE19L GRM21BR60J106KE19L
GRM188R71H221KA01D Murata RC0603FR-07100KL Yageo Sumida Mill-Max Tektronix Keystone Electronics BERG/FCI
3.2mm 3.2mm CDRH2D14NP-2R2NC 3156-1-00-15-00-00-08-0 131503100 5014 68000-236-1X3
AN1349.0 August 2007
Application Note 1349 Layout
FIGURE SILK LAYER
FIGURE LAYER
FIGURE BOTTOM LAYER
Intersil Corporation reserves right make changes circuit design, software and/or specifications time without notice. Accordingly, reader cautioned verify that Application Note Technical Brief current before proceeding.
information regarding Intersil Corporation products, www.intersil.com
AN1349.0 August 2007

Application Note August 2007 AN1349.0 ISL9106EVAL1Z evaluation IS

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