? semiconductor components industries, llc, 2015 november, 2015 ? rev. 1 1 publication order number: NCP59800/d NCP59800 1 a low noise, rf ldo voltage regulator the NCP59800 is a family of 1 a low?dropout linear regulators (ldos) offering high power?supply ripple rejection (psrr) and ultra?low output noise. this series of ldos uses an advanced bicmos process to achieve very good electrical performance. it is an ideal choice for noise sensitive analog rf front?ends used in telecom equipment. the NCP59800 is available in the 3 mm x 3 mm dfn8 package. features ? operating input voltage range: 2.2 v to 6.0 v ? output voltage range: ? fixed v out : 0.8 to 5 v (0.1 v steps) ? adjustable v out : 0.8 v to 5 v ? quiescent current typ. 60 a ? low dropout: 200 mv typ. at 1 a, v out = 2.5 v ? 2.5% v out accuracy across load/line/temperature ? stable with small 4.7 f ceramic capacitors ? very?low noise: typically 15 v rms from 100 hz to 100 khz ? over?current and thermal shutdown protection ? available in 3 x 3 mm dfn8 package typical applications ? telecom infrastructure ? audio ? high?speed i/f (pll/vco) in en out fb nr gnd optional NCP59800 10 nf figure 1. typical application schematics adjustable voltage option v in c in 1 f r 2 r 1 4.7 f c out v out www. onsemi.com see detailed ordering and shipping information in the package dimensions section on page 5 of this data sheet. ordering information dfn8 3 x 3 mm case 506db pin connections (top view) in in nr en out out fb/sns gnd 3 mm x 3 mm dfn8 0.65 p 1 a = assembly location l = wafer lot y = year w = work week = pb?free package 59800 adjb alyw 1 (note: microdot may be in either location) marking diagram
NCP59800 www. onsemi.com 2 figure 2. internal block diagram ? adjustable voltage option table 1. pin function description pin no. dfn8 pin name description 7,8 in unregulated input supply. 4, epad gnd ground. 5 en driving the enable pin (en) high turns on the regulator. driving this pin low puts the regulator into shutdown mode. 6 nr connect an external capacitor between this pin and ground to reduce the output noise to very low levels. the capacitor slows down the v out ramp as well (soft?start). max recommended c nr value is 0.47 f 3 (adjustable devices) fb this pin is the input to the control loop error amplifier and is used to set the output voltage of the device. 3 (fixed volt devices) sns this pin is the input to the control loop error amplifier and is used to set the output voltage of the device. this pin is to be joined with out at load devices. 1,2 out regulator output. a 4.7 f to 100 f capacitor of any type is required for stability. r esr 1 table 2. absolute maximum ratings rating symbol value unit input voltage (note 1) in 6.5 v output, sense voltage out, sns ?0.3 to (v in + 0.3) 6.5 v enable input en ?0.3 to 6.5 v other voltages fb, nr ?0.3 to 3.6 v output current i out internally limited ma maximum junction temperature t j(max) 150 c storage temperature t stg ?55 to 150 c esd capability, human body model (note 2) esd hbm 2000 v esd capability, machine model (note 2) esd mm 200 v stresses exceeding those listed in the maximum ratings table may damage the device. if any of these limits are exceeded, device function ality should not be assumed, damage may occur and reliability may be affected. 1. refer to electrical characteristics and application information for safe operating area. 2. this device series incorporates esd protection and is tested by the following methods: esd human body model tested per aec?q100?002 (eia/jesd22?a114) esd machine model tested per aec?q100?003 (eia/jesd22?a115) latchup current maximum rating tested per jedec standard: jesd78
NCP59800 www. onsemi.com 3 table 3. thermal characteristics rating symbol value unit thermal characteristics, dfn8 3 mm x 3 mm thermal resistance, junction?to?air (note 3) r ja 52 c/w 3. the junction?to?ambient thermal resistance under natural convection is obtained in a simulation on a jedec?standard, high?k b oard, as specified in jesd51?7, in an environment described in jesd51?2a. table 4. electrical characteristics over the operating temperature range of t j = ?40 c to +125 c, v in = (v out(nom) + 0.5 v) or 2.2 v (whichever is greater), i out = 1 ma, v en = 2.2 v, c out = 4.7 f, and c nr = 0.01 f, unless otherwise noted. NCP59800 adjustable option is tested at v out = 0.8 v and v out = 5.0 v. typical values are at t j = +25 c. parameter test conditions symbol min typ max unit input voltage range v in (v out +v do ) 2.2 6.0 v internal reference v nr 0.8 v output voltage fixed voltage options v out 0.8 5.0 v adjustable option 0.8 5.0 v output voltage accuracy (note 4) v out + 0.5 v v in 6.0 v, v in 2.2 v 1 ma i out 1 a v out ?2.5 0.3 +2.5 % line regulation v out + 0.5 v v in 6.0 v, v in 2.2 v i out = 1 ma v out / v in 150 v/v load regulation 1 ma i out 1 a v out / i out 2.0 v/ma dropout voltage (note 5) v out + 0.5 v v in 6.0 v, v in 2.2 v i out = 500 ma, v fb = gnd or v sns = gnd v do 250 mv v out + 0.5 v v in 6.0 v, v in 2.5 v i out = 750 ma, v fb = gnd or v sns = gnd 350 mv v out + 0.5 v v in 6.0 v, v in 2.5 v i out = 1 a, v fb = gnd or v sns = gnd 500 mv output current limit v out = 0.85 v out(nom) , v in 3.3 v i cl 1.1 1.6 2.5 a ground pin current i out = 0.1 ma i gnd 60 100 a i out = 1 a 450 a shutdown current (i gnd ) v en 0.4 v, v in 2.2 v, r l = 1 k , 0 c t j 85 c i shdn 0.2 2.0 a feedback pin current v in = 6.0 v, v fb = 0.8 v (adjustable option) 0.02 1.0 a sense pin current v in = 6.0 v, v sns = v out(nom) (fixed option) 3.0 a power supply rejection ratio i out = 750 ma, v out = 3.3 v, v in = 4.3 v f = 100 hz f = 1 khz f = 1 mhz psrr 77 63 27 db output noise voltage bw = 100 hz?100 khz, i out = 100 ma, c nr = 100 nf, v in = 4.3 v, v out = 3.3 v v n 15 x v out v rms enable input current v in = v en = 6.0 v i en 0.02 1.0 a soft?start charging current v nr = 0.5 v i ss 7.2 a en pin threshold voltage en input voltage ?h? v enh 1.2 v en input voltage ?l? v enl 0.4 start?up time v out(nom) = 3.3 v v out = 0% to 90% v out(nom) r l = 3.3k , c out =4.7 f c nr = 10 nf t str 1.0 ms c nr = 100 nf 10 ms product parametric performance is indicated in the electrical characteristics for the listed test conditions, unless otherwise noted. product performance may not be indicated by the electrical characteristics if operated under different conditions. 4. as for NCP59800 (adjustable); it does not include external resistor tolerances and it is not tested at this condition: v out = 0.8 v, 4.5 v v in 6.0 v, and 750 ma i out 1 a because of power dissipation higher than maximum rating of the package. 5. v do is not measured for fixed output voltage devices with v out < 1.7 v because minimum v in = 2.2 v.
NCP59800 www. onsemi.com 4 table 4. electrical characteristics over the operating temperature range of t j = ?40 c to +125 c, v in = (v out(nom) + 0.5 v) or 2.2 v (whichever is greater), i out = 1 ma, v en = 2.2 v, c out = 4.7 f, and c nr = 0.01 f, unless otherwise noted. NCP59800 adjustable option is tested at v out = 0.8 v and v out = 5.0 v. typical values are at t j = +25 c. parameter unit max typ min symbol test conditions undervoltage lockout v in rising, r l = 1 k uvlo 1.86 2.0 2.1 v uvlo hysteresis v in falling, r l = 1 k 75 mv thermal shutdown shutdown, temperature increasing t sd_temp 160 c thermal shutdown recovery reset, temperature decreasing t sd_hyst 140 t j operating range ?40 +125 c product parametric performance is indicated in the electrical characteristics for the listed test conditions, unless otherwise noted. product performance may not be indicated by the electrical characteristics if operated under different conditions. 4. as for NCP59800 (adjustable); it does not include external resistor tolerances and it is not tested at this condition: v out = 0.8 v, 4.5 v v in 6.0 v, and 750 ma i out 1 a because of power dissipation higher than maximum rating of the package. 5. v do is not measured for fixed output voltage devices with v out < 1.7 v because minimum v in = 2.2 v. applications information general information the NCP59800 regulator is equipped with noise reduction pin (nr) for noise sensitive applications. a noise reduction capacitor (c nr ) at the nr pin bypasses noise generated by the bandgap reference. this family of regulators offers sub?bandgap output voltages, current limit, and thermal protection, and is fully specified from ?40 c to +125 c. assuming resistors with zero error. for the actual design, pay attention to any resistor error factors. figure 3 gives the connections for the adjustable output version (NCP59800bmnadjtbg). figure 3. typical application schematics in en out fb nr gnd optional 10 nf v in c in 1 f v out 4.7 f c out r 2 r 1 NCP59800 (adjustable v out ) output voltage setting for the adjustable version (NCP59800bmnadjtbg), the voltage on the fb pin sets the output voltage and is determined by the values of r1 and r2. the values of r1 and r2 can be calculated for any voltage using the following formula: v out 0.8 v 1 r 1 r 2 capacitors selection although an input capacitor is not required for stability, it is good analog design practice to connect a 0.1 f to 1.0 f low equivalent series resistance (esr) capacitor across the input supply near the regulator. the NCP59800 is designed to be stable with standard ceramic output capacitors of capacitance values 4.7 f up to 100 f. this device is evaluated using a 4.7 f/10 v, 10% tolerance, x5r type ceramic capacitors of 0805 size. x5r? and x7r?type capacitors are highly recommended because they have minimal variation in value and esr over temperature. maximum esr should be < 1.0 . startup response the c nr serves not only for noise reduction. slow ramping of voltage reference (adjustable soft?start) is reducing the inrush current as well. recommended 1% feedback resistor values for frequently used nominal output voltages v out r 1 r 2 0.8 v 0 (short) 10.0 k 1.0 v 2.49 k 10.0 k 1.2 v 4.99 k 10.0 k 1.5 v 8.87 k 10.0 k 1.8 v 12.5 k 10.0 k 2.5 v 21.0 k 10.0 k 3.3 v 30.9 k 10.0 k 5.0 v 52.3 k 10.0 k
NCP59800 www. onsemi.com 5 table 5. ordering information device output voltage marking package shipping ? NCP59800bmnadjtbg adj 59800 adjb dfn8 3x3 (pb?free) 3000/tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. *to order other package and voltage variants, please contact your on sales representative.
NCP59800 www. onsemi.com 6 package dimensions dfn8, 3x3, 0.65p case 506db issue o notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. dimension b applies to plated terminal and is measured between 0.15 and 0.30mm from the terminal tip. 4. coplanarity applies to the exposed pad as well as the terminals. a b e d d2 e2 bottom view b e 8x 0.10 b 0.05 a c c note 3 2x 0.10 c pin one reference top view 2x 0.10 c a a1 (a3) 0.05 c 0.05 c c seating plane side view l 8x 1 4 5 8 dim min max millimeters a 0.80 1.00 a1 0.00 0.05 a3 0.20 ref b 0.25 0.35 d 3.00 bsc d2 1.65 1.85 e 3.00 bsc e2 1.40 1.60 e 0.65 bsc l 0.30 0.50 *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. recommended l1 detail a l alternate terminal constructions l detail b detail a l1 0.00 0.15 note 4 e/2 soldering footprint* ??? ?? 0.65 ref b1 0.20 0.30 8x 0.63 3.30 1.64 0.40 1 0.65 pitch 3.30 12x dimensions: millimeters 2.05 0.65 pitch package outline b1 4x e1 on semiconductor and the are registered trademarks of semiconductor components industries, llc (scillc) or its subsidia ries in the united states and/or other countries. scillc owns the rights to a number of pa tents, trademarks, copyrights, trade secret s, and other intellectual property. a listin g of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent?marking.pdf. scillc reserves the right to make changes without further notice to any product s herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any part icular purpose, nor does sci llc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typi cal? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating param eters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the right s of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgic al implant into the body, or other applications intended to s upport or sustain life, or for any other application in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer s hall indemnify and hold scillc and its officers , employees, subsidiaries, affiliates, and dist ributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufac ture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. p ublication ordering information n. american technical support : 800?282?9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81?3?5817?1050 NCP59800/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303?675?2175 or 800?344?3860 toll free usa/canada fax : 303?675?2176 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your loc al sales representative
|
