fp702 single operational amplifier and voltage reference this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 1/9 gnd out v cc in+ fp702 v in r1 r2 r3 v out pmos sbd general description the fp702 is composed one op-amp (opa) with a 1.25v precision voltage reference on inverting input with an open collector output. it is applied to offer space and low cost in many applications such as the secondary feedback control of powe r supply, ac / dc converter or adaptor. the fp702 is designed as an ovp detector with few external components. the circuit diagram of typical application example is shown as below: features ? wide operating voltage from 3.0v~25v ? fixed reference voltage: 1.25v ? low input offset voltage: 1mv ? high precision over temperature: 1% ? open collector output ? sink current up to 20ma ? package: sot23-5l typical application circuit
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 2/9 function block diagram pin descriptions sot23-5l name no. i / o description ref 1 o / i 1.25v reference output opa inverting input in+ 2 i opa non-inverting input out 3 o opa open collector output gnd 4 p ic ground v cc 5 p ic power supply
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 3/9 marking information sot23-5l lot numbe r : wafer lot number?s last two digits for example: 132362tb ? 62 y ea r : production year?s last digit internal id : internal identification code part number code : part number identification code for this product. it should be always ?b?.
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 4/9 ordering information part number operating temperature package moq description FP702KR-LF -20 c ~ +85 c sot23-5l 2500ea tape & reel absolute maximum ratings parameter symbol conditions min. typ. max. unit in+ input voltage v i -0.3 v cc -1.8 v output voltage 25 v output sink current 30 ma maximum junction temperature +150 c thermal resistance junction to ambient ja sot23-5l +400 c / w power dissipation p d sot23-5l 250 mw storage temperature t st -65 +150 c lead temperature (soldering, 10 sec) +260 c ir re-flow soldering curve
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 5/9 recommended operating conditions parameter symbol conditions min. typ. max. unit supply voltage v cc 3 25 v operating temperature -20 +85 c dc electrical characteristics (v cc =12v, t a =25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit operating amplifier t amb =25 1 3 input offset voltage v io t min Q t amb Q t max 5 mv under voltage lockout dv io 7 v / t amb =25 -80 -250 in- input bias current i ib t min t amb t max -500 na large signal voltage gain a vd 50 v / mv output sink current i sink v in+ =0.5v, v out =1.2v 30 ma low level output voltage v ol v in+ =0.5v, i sink =20ma 0.9 1 v output leakage current i leak v out =25v, v in+ =2v 0.1 1 a output switch hystereris hys 30 mv voltage reference t amb =25 1.237 1.25 1.263 v reference voltage v ref t min Q t amb Q t max 1.225 1.275 % reference voltage deviation over temperature range v ref t min Q t amb Q t max 10 mv line regulation 3.0v Q v cc 25v Q 1 3 mv load regulation i ref =0 a to 40 a 3 5 mv total supply current ic supply current i cc v cc =25v 0.4 ma
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 6/9 typical operating characteristics (v cc =12v, t a =25 unless otherwise noted))
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 7/9 typical operating characteristics (v cc =12v, t a =25 , r out =2k) in+ to v out delay time in + v out in + v out figure 7 figure 8
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 8/9 application information figure 9. fp702 over voltage protection circuits
fp702 this datasheet contains new product informat ion. feeling technology reserves the ri ghts to modify the product specification wi thout notice. no liability is assumed as a result of t he use of this product. no rights under any patent accompany the sales of the product. website: http://www.feeling-tech.com.tw rev. 0.9 9/9 package outline sot23-5l unit: mm note: 1. package dimensions are in compliance with jedec outline: mo-178 aa. 2. dimension ?d? does not include moldi ng flash, protrusions or gate burrs. 3. dimension ?e1? does not include inter-lead flash or protrusions. symbols min. (mm) max. (mm) a 1.050 1.350 a1 0.050 0.150 a2 1.000 1.200 b 0.250 0.500 c 0.080 0.200 d 2.700 3.000 e 2.600 3.000 e1 1.500 1.700 e 0.950 bsc e1 1.900 bsc l 0.300 0.550 l1 0.600 ref l2 0.250 bsc 0 10 1 3 7 2 6 10
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