rev. 10/6/00 as116 low dropout voltage three terminal regulator features applications ? 3.5v, 3.3v, 3.0v and adjustableversions available ? battery powered systems ? very low dropout voltage ? cordless telephones ? output current in excess of 100ma ? radio control systems ? low standby current (on, no load) ? portable/ palm top / notebook computers ? short circuit protection ? portable consumer equipment ? internal thermal shutdown ? portable instrumentation ? available in to-92, so-8 & so-89 packages ? pager ? direct replacement pin to pin to tk116 ? low voltage systems ? cellular phone product description the as116 is a low power voltage regulators. this devices are an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and pagers. the as116 features very low quiescent current in on (400 a no load and 2ma at 60ma load) and off mode and very low dropout voltage of less than 200mv at 80ma load thro ugh internal pnp pass- transistor. the junction temperature of 150 c is achieved through an internal thermal shutdown. in case of short circuit, the as 116 will shut down. this device is available in 3.0v, 3.3v and 3.5v output voltages. this regulator is available in to-92, so-8 and sot-89 package s, it can also be supplied in tape and reel. the as116 is a direct replacement to tk116. ordering information to-92 so-8 sot-89 3-pin oper. temp. range as116n-xx as116s-xx as116m1-xx ind. alpha as2930 1 8-pin surface mount, fix outpu t top view 2 3 4 5 6 7 8 as116 output gnd gnd nc i nput gnd gnd nc front view sot-89 (m1) input gnd output 123 as116 v in bottom view 13 2 v out gnd to-92 (n) pin connections
rev. 10/6/00 as116 absolute maximum ratings power dissipation.........................................................500 mw input supply voltage .......................... ................-20 to +60v lead temp. (soldering, 5 seconds) ................................ 240c feedback input voltage .................................. ...-1.5 to +30v storage temperature range ............................ -65 to +150c shutdown input voltage................................... ..-0.3 to +30v operating junction temperature range output voltage.......................... ....................... v out x1.15 v as116 ................................................................... +150c load current ................................... .......................... 180 ma electrical characteristics at ta=25c, unless otherwise specified. parameter symbol test conditions min typ max units supply voltage range v in 2.5 14 v supply current i in1 i out =0ma, v cont =0, on mode 400 a supply current i in2 v cont =v in , off mode 800 a regulated output voltage v out v in =v out +1 v, i out =10ma -3.0 v out +3.0 % dropout voltage v drop1 i out =10ma 50 mv dropout voltage v drop2 i out =60ma 170 mv output current i out 100 ma line regulation li reg v out +1.0v to v in v out +6.0v 0.01 %/v load regulation ld reg 10 ma i out 60ma, v in =v out +1.5 0.02 %/ma ripple rejection v ripple 100mv rms , f=400hz v in =v out +1.5v, i out =10ma 55 db output voltage temperature coefficient ? v out/ ? t a 0 c t a 75 c v in =v out +1.5v, i out =10ma 0.2 mv/ c output noise voltage v n v in =v out +1.5v, i out =10ma 10hz < f < 100khz, i out =10ma 150 v rms test circuit v in 4.5v as116 v out + 4.7uf
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 typical characteristics
rev. 10/6/00 as116 on/ off on off gnd r3 51k c1* 0.1 f in out adj r1 28k r2 + v out c2** 100 f v cc as116 adjustable as116 adjustable output v out = reference voltage x r1 + r2 r1 note: using 27k for r1 will automatically compensate for errors in v out due to the input bias current of te adj pin (approximately 1 a).
|
