1 of 6 v out rtn + + + u1 iw1600 v sense gnd v cc gnd 1 2 8 7 6 4 5 l n output cs/cdc hv r cdc 1 2 d1 IW600 figure 3.1: IW600 typical application circuit (using iw1600 as primary-side controller) (achieving < 10mw no-load power consumption in 5v/2a 10w adapter with fast dynamic load response) 1 description the IW600 is a secondary-side voltage position controller to detect the voltage undershoot. it can be used in dialogs primary-side control systems to achieve ultra-low no-load power consumption and fast dynamic load response. the IW600 operates in normally-off mode with negligible power consumption during power supply normal steady state operation, while monitoring dynamic load change through the voltage on the secondary rectifer . a wake-up signal is transferred through the fyback power transformer to the primary side when a dynamic load change is detected. the IW600 eliminates loop compensation components and the optocoupler on the secondary side to minimize the bill of material cost. 2 features fast system output voltage detection transmits detection signal to the primary side through fyback transformer two-electrical-terminal connection simplifes system pcb layout 3 applications ac/dc adapters/chargers no external components enables <10mw no-load power consumption in typical 5v-output systems available in 3-lead sot-23 and 2-lead dfn packages IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor 10-november-2016 product summary www.dialog-semiconductor.com
2 of 6 4 pinout description pin no. name type pin description 1 str power input/ analog input/ power output stroke pin. controller power input and voltage monitoring input. it also builds in a open-drain circuit to drive the fyback power transformer when dynamic load is detected. 2 gnd ground ground. 3 n/c n/c not connected. recommend design a solder pad and solder this pin on the printed circuit board for mechanical stability. note 1: the n/c pin is only available in the 3-lead sot-23 package. figure 4.1: 3-lead sot-23 package IW600 1 3 n/c str gnd 2 IW600 1 str gnd 2 figure 4.2: 2-lead dfn package IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor 10-november-2016 product summary www.dialog-semiconductor.com
3 of 6 parameter symbol value units input voltage range v str -1 to 60 v continuous dc supply current at v str pin (v str = 60v) i cc_op 1 ma open-draining pull-down pulse current (v str = 40v) 400 ma maximum junction temperature t jmax 150 c operating junction temperature t jopt -40 to 150 c storage temperature t stg -65 to 150 c thermal resistance junction-to-ambient (sot-23) ja 260 c/w thermal resistance junction-to-ambient (dfn) ja 680 c/w esd rating per jedec jesd22-a114 2,000 v absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. for maximum safe operating conditions, refer to electrical characteristics (section 6). 5 absolute maximum ratings IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor 10-november-2016 product summary www.dialog-semiconductor.com
4 of 6 6 physical dimensions 1 3 2 3-lead sot-23 package d compliant to jedec standard to236 controlling dimensions are in millimeters this package is rohs compliant, and conform to halide free limits. soldering temperature resistance: [a] package is ipc/jedec std 020d moisture sensitivity level 1 [b] package exceeds jedec std no. 22-a111 for solder immersion resistance; packages can withstand 10 s immersion @ < 260 c dimension d does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.25 mm per end. dimension e1 does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.25 mm per side. the package top may be smaller than the package bottom. dimension d and e1 are determined at the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interlead flash, but including any mismatch between the top and bottom of the plastic body. seating plane a1 coplanarity 0.10 e1 b e1 a c e inches symbol millimeters min 0.001 a1 max min max 0.004 0.01 0.10 0.035 a 0.044 0.89 1.11 0.015 b 0.020 0.37 0.50 0.003 c 0.007 0.09 0.18 0.110 d 0.120 2.80 3.04 0.083 e 0.104 2.10 2.64 0.070 e1 0.020 1.78 2.04 e1 0.047 0.081 1.20 1.40 IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor 10-november-2016 product summary www.dialog-semiconductor.com
5 of 6 part number options package description IW600-00-st3 n/a sot-23l-3l tape & reel 1 IW600-00-dfn2 n/a dfn-1.3m-2l tape & reel 1 note 1: tape & reel packing quantity is 3,000/reel. minimum ordering quantity is 3,000. all dimensions are in millimeters. coplanarity applies to the exposed pad as well as the terminals. coplanarity shall not exceed 0.05 millimeters. warpage shall not exceed 0.05 millimeters. soldering temperature resistance: [a] package is ipc/jedec std 020d moisture sensitivity level 1. [b] package exceeds jedec std no. 22-a111 for solder immersion resistance; package can withstand 10 seconds immersion < 260?c. seating plane d e e 1 2 1 2 l1 l2 a a1 a2 pin 1 reference b top view side view bottom view millimeters min nom max a 0.70 0.75 0.80 a1 0.00 ? 0.05 a2 0.203 ref b 0.85 0.90 0.95 d 1.25 1.30 1.35 e 1.00 bsc e 1.65 1.70 1.75 l1 0.30 0.40 2.50 l2 0.90 1.00 1.10 2-lead dfn package 7 ordering information IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor 10-november-2016 product summary www.dialog-semiconductor.com
6 of 6 disclaimer information in this document is believed to be accurate and reliable. however , dialog semiconductor does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information. dialog semiconductor furthermore takes no responsibility whatsoever for the content in this document if provided by any information source outside of dialog semiconductor . dialog semiconductor reserves the right to change without notice the information published in this document, including without limitation the specifcation and the design of the related semiconductor products, software and applications. applications, software, and semiconductor products described in this document are for illustrative purposes only . dialog semiconductor makes no representation or warranty that such applications, software and semiconductor products will be suitable for the specifed use without further testing or modifcation. unless otherwise agreed in writing, such testing or modifcation is the sole responsibility of the customer and dialog semiconductor excludes all liability in this respect. customer notes that nothing in this document may be construed as a license for customer to use the dialog semiconductor products, software and applications referred to in this document. such license must be separately sought by customer with dialog semiconductor . all use of dialog semiconductor products, software and applications referred to in this document are subject to dialog semiconductors standard terms and conditions of sale , available on the company website ( www.dialog-semiconductor.com ) unless otherwise stated. dialog and the dialog logo are trademarks of dialog semiconductor plc or its subsidiaries. all other product or service names are the property of their respective owners. ? 2016 dialog semiconductor. all rights reserved. rohs compliance dialog semiconductors suppliers certify that its products are in compliance with the requirements of directive 2011/65/eu of the european parliament on the restriction of the use of certain hazardous substances in electrical and electronic equipment. rohs certifcates from our suppliers are available on request. IW600 secondary-side voltage positioning controller rev. 1.0 ? 2016 dialog semiconductor contacting dialog semiconductor united kingdom (headquarters) dialog semiconductor (uk) ltd phone: +44 1793 757700 germany dialog semiconductor gmbh phone: +49 7021 805-0 the netherlands dialog semiconductor b.v. phone: +31 73 640 8822 email info_pcbg@diasemi.com north america dialog semiconductor inc. phone: +1 408 845 8500 japan dialog semiconductor k. k. phone: +81 3 5425 4567 taiwan dialog semiconductor taiwan phone: +886 281 786 222 web site: www.dialog-semiconductor.com singapore dialog semiconductor singapore phone: +65 64 8499 29 hong kong dialog semiconductor hong kong phone: +852 3769 5200 korea dialog semiconductor korea phone: +82 2 3469 8200 china (shenzhen) dialog semiconductor china phone: +86 755 2981 3669 china (shanghai) dialog semiconductor china phone: +86 21 5424 9058 10-november-2016 product summary www.dialog-semiconductor.com
|
