? 2000 semtech corp. 652 mitchell road newbury park ca 91320 1.5 amp positive voltage regulator ez1086bc, ez1086c & ez1086i october 3, 2000 1 features ? = low dropout voltage: 1.3v max. for ez1086c, 1.4v max. for ez1086i, 1.45v max. for ez1086bc ? = full current rating over line and temperature ? = fast transient response ? = 2% total output regulation over line, load and temperature (2.4% for ez1086bc) ? = adjust pin current max 90a over temperature ? = fixed/adjustable output voltage (ez1086c) ? = line regulation typically 0.015% ? = load regulation typically 0.05% ? = industrial temperature range (ez1086i) ? = to-220 and to-263 packages description the ez1086 series of high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current. additionally, the ez1086 series provides excellent regulation over variations in line, load and temperature. outstanding features include low dropout performance at rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device. a variety of options are available for maximum flexibility: the ez1086c has both fixed and adjustable voltage options and is designed for use in commercial applications; the ez1086bc is adjustable only for cost sensitive commercial applications; the ez1086i is adjustable only for industrial applications. all devices are available in the popular to-220 and to-263 packages. tel:805-498-2111 fax:805-498-3804 web:http:// www.semtech.com applications ? = post regulators ? = battery chargers notes: (1) where x.x denotes voltage options (ez1086c only). available voltages are: 2.5v, 3.3v and 3.45v. leave blank for adjustable version (1.3 to 5.7v). contact factory for additional voltage options. (2) where c and i denote commercial (0c to 70c) and industrial (-40c to 85c) ambient temperature ranges. (3) only available in tape and reel packaging. a reel contains 800 devices. (4) only available in tube packaging. a tube contains 50 devices. ordering information device (1)(2) package ez1086bcm.tr ez1086cm-x.x.tr ez1086im.tr to-263 (3) ez1086bct ez1086ct-x.x ez1086it to-220 (4) typical applications vin > 4.75v vout = 3.3v vin > 4.75v vout = 3.45v u1 ez1086 3 2 1 in out/tab adj u1 ez1086-3.3 3 2 1 in out/tab gnd + c1 10uf + c2 10uf tant. + c2 10uf tant. + c1 10uf r1 133 ohm r2 232 ohm fixed voltage regulator adjustable voltage regulator notes: (1) c1 required if device is far from filter capacitors (2) c2 required for stability
? 2000 semtech corp. 652 mitchell road newbury park ca 91320 1.5 amp positive voltage regulator ez1086bc, ez1086c & ez1086i october 3, 2000 2 absolute maximum ratings parameter symbol maximum units input supply voltage v in 7v power dissipation p d internally limited w thermal resistance junction to case to-220 to-263 jc 3 3 c/w thermal resistance junction to ambient to-220 to-263 ja 50 60 c/w operating ambient temperature range ez1086bc, ez1086c ez1086i t a 0 to 70 -40 to 85 c operating junction temperature range ez1086bc, ez1086c ez1086i t j 0 to 125 -40 to 125 c storage temperature range t stg -65 to 150 c lead temperature (soldering) 10 sec t lead 300 c esd rating (human body model) esd 2 kv electrical characteristics unless otherwise specified: adj v in = 2.75v to 7.0v and adj i o = 10ma to 1.5a; fixed v in = 4.75 to 7.0v and fixed i o = 0 ma to 1.5a. values in bold apply over full operating ambient temperature range. parameter symbol v in i o min typ max units output voltage (1) v o 5v 0ma 0.99lv o lv o 1.01lv o lv ez1086c-x.x 0.98lv o l 1.02lv o l reference voltage (1) v ref 5v 10ma 1.238 1.250 1.262 v ez1086c, ez1086i 1.225 1.275 reference voltage (1) v ref 5v 10ma 1.233 1.250 1.267 v ez1086bc 1.220 1.280 line regulation (1) reg (line) 10ma 0.045 0.2 % load regulation (1) reg (load) 5v 0.15 0.4 % dropout voltage ez1086c, ez1086c-x.x (2) v d 1.5a 1.20 1.30 v ez1086bc (2) 1.20 1.45 ez1086i (2) 1.20 1.40 current limit i cl 1.5 2.0 a quiescent current fixed voltage version i q 5v 10 14 ma temperature coefficient t c 0.005 %/c
? 2000 semtech corp. 652 mitchell road newbury park ca 91320 1.5 amp positive voltage regulator ez1086bc, ez1086c & ez1086i october 3, 2000 3 electrical characteristics (cont.) unless otherwise specified: adj v in = 2.75v to 7.0v and adj i o = 10ma to 1.5a; fixed v in = 4.75 to 7.0v and fixed i o = 0 ma to 1.5a. values in bold apply over full operating ambient temperature range. parameter symbol v in i o min typ max units adjust pin current i adj 55 90 a adjust pin current change ? i adj 0.2 5 a temperature stability t s 5v 0.5a 0.5 % minimum load current adj. voltage versions i o 5v 5 10 ma rms output noise (3) v n 0.003 %v o ripple rejection ratio (4) r a 5v 1.5a 60 72 db notes: (1) low duty cycle pulse testing with kelvin connections required. (2) ? v out , ? v ref = 1% (3) bandwidth of 10 hz to 10 khz. (4) 120 hz input ripple (c adj for adj = 25f). (5) over temp. (o.t.) = over specified operating junction temperature range.
? 2000 semtech corp. 652 mitchell road newbury park ca 91320 1.5 amp positive voltage regulator ez1086bc, ez1086c & ez1086i october 3, 2000 4 block diagram pin configurations pin descriptions pin pin name pin function 1 adjust / ground this pin is the negative side of the reference voltage for adjustable devices. transient response can be improved by adding a small bypass capacitor from the adjust pin to ground. this pin is the bottom end of the internal resistor feedback chain for fixed output voltage parts, and should be connected to ground. 2 output this is the power output of the device, and is electrically connected to the tab. 3 input this is the input supply pin for both the control circuitry and the pass device.
? 2000 semtech corp. 652 mitchell road newbury park ca 91320 1.5 amp positive voltage regulator ez1086bc, ez1086c & ez1086i october 3, 2000 5 device outline - to-220 device outline - to-263 ecn00-1352
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