cat6219 ? catalyst semiconductor, inc. 1 doc. no. md-10009 rev. b characteristics subject to change without notice 500ma cmos ldo regulator features ? guaranteed 500ma peak output current ? low dropout voltage of 300mv typical at 500ma ? stable with ceramic output capacitor ? external 10nf bypass capacitor for low noise ? quick-start feature ? under voltage lockout ? no-load ground current of 55 a typical ? full-load ground current of 85 a typical ? 1.0% output voltage initial accuracy ? 2.0% accuracy over temperature ? ?zero? current shutdown mode ? current limit and thermal protection ? 5-lead tsot-23 and 6-pad tdfn packages applications ? cellular phones ? battery-powered devices ? consumer electronics description the cat6219 is a 500ma cmos low dropout regulator that provides fast response time during load current and line voltage changes. the quick-start feature allows the use of an external bypass capacitor to reduce the overall output noise without affecting the turn-on time of just 150 s. with zero shutdown curren t and low ground current of 55 a typical, the cat6219 is ideal for battery- operated devices with supply voltages from 2.3v to 5.5v. an internal under voltage lockout circuit disables the output at supply voltages under 2.15v typical. the cat6219 offers 1% in itial accuracy and low dropout voltage, 300mv typical at 500ma. stable operation is provided with a small value ceramic capacitor, reducing required board space and compo- nent cost. other features include current limit and thermal protection. the device is available in the low profile (1mm max height) 5-lead tsot23 and in the 6-pad 2mm x 2mm tdfn packages. for ordering information details, see page 9. pin configuration typica l application circuit 5-lead tsot-23 6-pad tdfn (1mm height) (2mm x 2mm) top view top view vin cat6219 byp en vout gnd off on v in 1f 2.3v to 5.5v c in v out 2.2f c out 10nf c byp (optional) vout en 2 3 1 byp 5 4 vin gnd cat6219 byp vin 3 1 vout 6 nc 5 4 en gnd 2
cat6219 doc. no. md-10009 rev. b 2 ? catalyst semiconductor, inc. characteristics subject to change without notice pin descriptions pin # name function 1 vin supply voltage input. 2 gnd ground reference. 3 en enable input (active high); a 2.5m ? pull-down resistor is provided. 4 byp optional bypass capacitor connection for noise reduction and psrr enhancing. 5 vout ldo output voltage. block diagram figure 2. cat6219 functional block diagram pin function vin is the supply pin for the ldo. a small 1 f ceramic bypass capacitor is required between the v in pin and ground near the device. when using longer connections to the power supply, c in value can be increased without limit. the operating input voltage range is from 2.3v to 5.5v. en is the enable control logic (a ctive high) for the regulator output. it has a 2.5m ? pull-down resistor, which assures that if en pin is left open, the circuit is disabled. vout is the ldo regulator output. a small 2.2 f ceramic bypass capacitor is required between the vout pin and ground. for better transient response, its value can be increased to 4.7 f. the capacitor should be located near the device. for the sot23-5 package, a continuous 500ma output current may turn-on the thermal protection. a 250 ? internal shutdown switch discharges the output capacitor in the no-load condition. gnd is the ground reference for the ldo. the pin must be connected to the ground plane on the pcb. byp is the reference bypass pin. an optional 0.01 f capacitor can be connected between byp pin and gnd to reduce the output noise and enhance the psrr at high frequency. absolute maximum ratings (1) parameter rating unit v in 0 to 6.5 v v en , v out -0.3 to v in +0.3 v junction temperature, t j +150 c power dissipation, p d internally limited (2) mw storage temperature range, t s -65 to +150 c lead temperature (soldering, 5 sec.) 260 c esd rating (human body model) 3 kv recommended operating conditions (3) parameter range unit v in 2.3 to 5.5 v v en 0 to v in v junction temperature range, t j -40 to +125 c package thermal resistance (sot23-5), ja 235 c/w typical application circuit with external components is shown on page 1. notes: (1) exceeding maximum rating may damage the device. (2) the maximum allowable power dissipation at any t a (ambient temperature) is p dmax = (t jmax ? t a ) / ja . exceeding the maximum allowable power dissipation will result in excessive die te mperature, and the regulator will go into thermal shutdown. (3) the device is not guaranteed to work outside its operating rating. byp en en gnd vin vout v in v out shutdown switch ldo reference
cat6219 ? catalyst semiconductor, inc. 3 doc. no. md-10009 rev. b characteristics subject to change without notice electrical operating characteristics (1) v in = v out + 1.0v, v en = high, i out = 100 a, c in = 1f, c out = 2.2f, ambient temperature of 25oc (over recommended operating conditions unless specified otherwise). bold numbers apply for the entire junction temperature range. symbol parameter conditions min typ max unit -1.0 +1.0 v out-acc output voltage accuracy initial accuracy -2.0 +2.0 % tc out output voltage temp. coefficient 40 ppm/oc -0.2 0.1 +0.2 v r-line line regulation v in = v out + 1.0v to 5.5v -0.4 +0.4 %/v 1 1.5 v r-load load regulation i out = 100 a to 500 ma 2 % 300 400 v drop dropout voltage (2) i out = 500ma 500 mv 55 75 i out = 0 a 90 i gnd ground current i out = 500ma 85 a 1 i gnd-sd shutdown ground current v en < 0.4v 2 a f = 1khz, c byp = 10nf 64 psrr power supply rejection ratio f = 20khz, c byp = 10nf 54 db i sc output short circuit current limit v out = 0v 600 800 ma t on turn-on time c byp = 10nf 150 s e n output noise voltage (3) bw = 10hz to 100khz 45 vrms r out-sh shutdown switch resistance 250 ? r en enable pull-down resistor 2.5 m ? v in-uvlo under voltage lockout threshold 2.15 v esr c out equivalent series resistance 5 500 m ? enable input v hi logic high level v in = 2.3 to 5.5v 1.8 v v lo logic low level v in = 2.3 to 5.5v 0.4 v v en = 0.4v 0.15 1 i en enable input current v en = v in 1.5 4 a thermal protection t sd thermal shutdown 160 oc t hys thermal hysteresis 10 oc notes: (1) specification for 2.85v output version unless specified otherwise. (2) dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1v differential. during test, the input vo ltage stays always above the minimum 2.3v. (3) specification for 1.8v output version.
cat6219 doc. no. md-10009 rev. b 4 ? catalyst semiconductor, inc. characteristics subject to change without notice 2.75 2.80 2.85 2.90 2.95 0 50 100 150 200 250 300 350 400 450 500 output load current (ma) output voltage (v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 input voltage (v) output voltage (v) typical characteristics (shown for 2.85v output version) v in = 3.85v, i out = 100 a, c in = 1f, c out = 2.2 f, c byp = 10nf, t a = 25c unless otherwise specified. dropout characteristics line regulation 2.82 2.83 2.84 2.85 2.86 2.87 2.5 3 3.5 4 4.5 5 5.5 input voltage (v) output voltage (v) load regulation output voltage vs. temperature ground current vs. load current 50 60 70 80 90 100 0 50 100 150 200 250 300 350 400 450 500 output load current (ma) ground current (a) ground current vs. temperature 45 49 53 57 61 65 -40 -20 0 20 40 60 80 100 120 140 temperature (oc) ground current (a) 500ma 0.1ma 2.82 2.83 2.84 2.85 2.86 2.87 -40 -20 0 20 40 60 80 100 120 140 temperature (oc) output voltage (v)
cat6219 ? catalyst semiconductor, inc. 5 doc. no. md-10009 rev. b characteristics subject to change without notice 0 10 20 30 40 50 60 70 80 1.0e+01 1.0e+02 1.0e+03 1.0e+04 1.0e+05 frequency [hz] psrr [db] typical characteristics (shown for 2.85v output option) v in = 3.85v, i out = 100 a, c in = 1f, c out = 2.2 f, c byp = 10nf, t a = 25c unless otherwise specified. output short-circuit current vs. input voltage 0 100 200 300 400 500 600 700 800 900 1000 012345 input voltage (v) current limit (ma) ground current vs. input voltage 0 10 20 30 40 50 60 70 00.511.522.533.544.555.5 input voltage (v) ground current (a) dropout vs. temperature (500ma load) 200 250 300 350 400 450 500 -40 -20 0 20 40 60 80 100 120 140 temperature (c) 500ma dropout voltage (mv) dropout vs. load current 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 350 400 450 500 output load current (ma) dropout voltage (mv) enable threshold vs. input voltage 0 0.4 0.8 1.2 1.6 22.533.544.555.5 input voltage (v) enable threshold (v) psrr vs. frequency (10ma load) v out = 0 c byp = 10nf c byp = 0
cat6219 doc. no. md-10009 rev. b 6 ? catalyst semiconductor, inc. characteristics subject to change without notice transient characteristics (shown for 2.85v output option) v in = 3.85v, i out = 100 a, c in = 1f, c out = 2.2 f, c byp = 10nf, t a = 25c unless otherwise specified. enable turn-on (100 a load) enable turn-off (100 a load) enable turn-on (500ma load) enable turn-off (500ma load) line transient response (3.85v to 4.85v) load transient response (0.1ma to 500ma)
cat6219 ? catalyst semiconductor, inc. 7 doc. no. md-10009 rev. b characteristics subject to change without notice package outline drawings tsot-23 5-lead (td) (1)(2) notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec standard mo-193. for current tape and reel information, download the pdf file from: htt p ://www.catsemi.com/documents/ta p eandreel. p df. e1 e a2 a1 e b d c a top view side view end view l1 l l2 symbol min nom max a1.00 a1 0.01 0.05 0.10 a2 0.80 0.87 0.90 b 0.30 0.45 c 0.12 0.15 0.20 d 2.90 bsc e 2.80 bsc e1 1.60 bsc e0.95typ l 0.30 0.40 0.50 l1 0.60 ref l2 0.25 bsc 0o 8o
cat6219 doc. no. md-10009 rev. b 8 ? catalyst semiconductor, inc. characteristics subject to change without notice tdfn 6-pad (2mm x 2mm) (vp5) (1)(2) notes: (1) all dimensions are in millimeters. angles in degrees. (2) complies with jedec standard mo-229. for current tape and reel information, download the pdf file from: htt p ://www.catsemi.com/documents/ta p eandreel. p df.
cat6219 ? catalyst semiconductor, inc. 9 doc. no. md-10009 rev. b characteristics subject to change without notice example of ordering information (1) notes: (1) all packages are rohs-compliant (lead-free, halogen-free). (2) the standard lead finish is nipd au pre-plated (ppf) lead frames. (3) the device used in the above example is a cat6219-280td-gt3 (v out = 2.80v, in a tsot-23 package, nipdau, tape and reel, 3000 units). (4) standard voltages are 1.80v, 2.80v and 3.30v. for other voltage options, please contact your n earest catalyst semiconductor sales office. (5) all output voltage options have the same marking. (6) contact factory for availability. (7) package marking for cat6219 family is ?rv. ordering number v out voltage (5) package quantity per reel cat6219-180td-gt3 1.80v tsot-23 3000 cat6219-280td-gt3 2.80v tsot-23 3000 cat6219-285td-gt3 (4) 2.85v tsot-23 3000 cat6219-330td-gt3 3.30v tsot-23 3000 prefix device # suffix cat 6219 -280 td -g t3 product numbe r 6219 v out voltage (4) 180: 1.80v 280: 2.80v 285: 2.85v 330: 3.30v com p an y id package td: tsot-23 vp5 : tdfn-6 (6) lead finish g: nipdau tape & reel t: tape & reel 3: 3000 units/reel (tsot-23) 4: 4000 units/reel (tdfn)
cat6219 revision history date rev. reason 04/20/2007 a initial release 11/07/2007 b update package outline drawings update example of ordering information add ?md-? to document number copyrights, trademarks and patents ? catalyst semiconductor, inc. trademarks and register ed trademarks of catalyst semiconductor include each of the following: adaptive analog?, beyond memory?, dpp?, ezdim?, ldd?, minipot?, quad-mode? and quant um charge programmable? catalyst semiconductor has been issued u. s. and foreign patents and has patent applications pending that protect its products. catalyst semiconductor makes no warranty, representation or guar antee, express or implied, regarding the suitability of its products for any particular purpose, nor that the use of its pro ducts will not infringe its intellectual property rights or the rights of third parties with respect to any particular use or application and specifically disclaims any and all liability aris ing out of any such use or application, including but not limited to, consequential or incidental damages. catalyst semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgica l implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the catalyst semiconduct or product could creat e a situation where personal injury or death may occur. catalyst semiconductor reserves the right to make changes to or discontinue any product or service described herein without not ice. products with data sheets labeled "advance information" or "preliminary" and other products described herein may not be in pr oduction or offered for sale. catalyst semiconductor advises customers to obtain the current version of the rele vant product informati on before placing order s. circuit diagrams illustrate typical semiconductor applications and may not be complete. catalyst semiconductor, inc. corporate headquarters 2975 stender way santa clara, ca 95054 phone: 408.542.1000 document no: md-10009 fax: 408.542.1200 revision: b www.catsemi.com issue date: 11 / 07 / 07
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