for assistance or to order, call (800) 531-5782 54 power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com ? single device: 5a output ? input voltage range: 9v to 28v ? adjustable output voltage ? 80% efficiency ? remote sense capability ? standby function the pt6650 series is a new addi- tion to power trends line of 24v bus integrated switching regulators 5 amp 24v input integrated switching regulator pt6650 series standard application c 1 = required 100f electrolytic c 2 = required 330f electrolytic q 1 = nfet-or open collector gate pt6650 4,5,6 7,8,9,10 11,12,13 v in com com v out c 2 + c 1 + 1 3 stby q 1 remote sense load ordering information pt6651 = +3.3 volts pt6652 = +2.5 volts pt6653 = +5.0 volts pt6654 = +9.0 volts pt6655 = +15.0 volts pt6656 = +12.0 volts pt series suffix (pt1234 x ) case/pin heat heat spreader configuration spreader with side tabs vertical through-hole pr horizontal through-hole dg horizontal surface mount eb 1 remote sense 2 do not connect 3 stby*- standby 4v in 5v in 6v in 7 gnd 8 gnd 9 gnd 10 gnd 11 v out 12 v out 13 v out 14 v out adjust pin-out information (isrs). designed for general purpose industrial applications requiring as much as 5a of output current, the pt6650 is packaged in a 14-pin sip (single in-line package) and is available in a surface-mount configuration. only two external capacitors are required for proper operation. please note that this product does not include short circuit protection. note: back surface of product is conducting metal 54 pkg style 400 specifications characteristics pt6650 series (t a = 25c unless noted) symbols conditions min typ max units output current i o t a = 60c, 200 lfm, pkg p 0.1* 5.0** a t a = 25c, natural convection 0.1* 5.0** a input voltage range v in 0.1a i o 5.0a v o < +6v +9v +28v v v o > +6v v o +3 +28v v output voltage tolerance d v o over v in range t a = -40c to +65c v o -0.1 v o +0.1 v output voltage adjust range v oadj pin 14 to v o or ground v o = +3.3v 2.2 4.7 v o = +2.5v 1.8 4.3 v o = +5.0v 3.0 6.5 v v o = +9.0v 6.0 10.2 v o = +12v 9.0 13.6 v o = +15v 10.0 17.0 line regulation reg line +9v v in +28v, i o = 5.0a 0.5 1.0 %v o load regulation reg load v in = +24v, 0.1 i o 5.0a 0.5 1.0 %v o v o ripple/noise v n v in = +24v, i o = 5.0a v o < +6v 50 mvpp v o > +6v 1.0 %v o transient response t tr i o step between 2.5a and 5.0a 100 sec with c 2 = 330f v os v o over/undershoot 100 mv efficiency h v in = +24v, i o = 0.5x i o max v o = +3.3v 81 % v o = +2.5v 76 % v o = +5.0v 85 % v in = +24v, i o = i o max v o = +3.3v 80 % v o = +2.5v 75 % v o = +5.0v 84 % switching frequency ? o 9v v in 28v 500 550 600 khz over i o range recommended operating t a free air convection (40-60 lfm) -40 +65 c temperature range over v in and i o ranges with heat tab storage temperature t s -40 +125 c mechanical shock per mil-std-883d, method 2002.3 500 gs mechanical vibration per mil-std-883d, method 2007.2, 7.5 gs 20-2000 hz, soldered in a pc board weight 14 grams * isr will operate down to no load with reduced specifications. ** see soa curves. note: the pt6650 series requires a 330f(output) and 100f(input) electrolytic capacitors for proper operation in all applications. revised 2/5/99 application notes mechanical outline product selector guide
for assistance or to order, call (800) 531-5782 55 24v bus products data sheets power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com characteristic data 55 24v bus products data sheets pt6650 series efficiency vs output current ripple vs output current power dissipation vs output current efficiency (%) output current (a) ripple (mvpp) output current (a) pd (watts) output current (a) pt6650 series @v pt6650 series @v pt6650 series @v pt6650 series @v pt6650 series @v in=+24v in=+24v in=+24v in=+24v in=+24v safe operating area curves @v safe operating area curves @v safe operating area curves @v safe operating area curves @v safe operating area curves @v in=+24v in=+24v in=+24v in=+24v in=+24v 40 50 60 70 80 90 100 012345 pt6651 pt6652 pt6653 pt6654 pt6655 pt6656 0 20 40 60 80 100 120 012345 pt6651 pt6652 pt6653 pt6654 pt6655 pt6656 0 1 2 3 4 5 012345 pt6651 pt6652 pt6653 pt6654 pt6655 pt6656 pt6651p, 3.3v ambient temperature (c) output current (a) airflow recommended maximum operating temperature ambient temperature (c) output current (a) airflow recommended maximum operating temperature pt6652p, 2.5v ambient temperature (c) output current (a) airflow recommended maximum operating temperature pt6653p, 5.0v 20 30 40 50 60 70 80 90 0123456 nat conv 60lfm 120lfm 200lfm 20 30 40 50 60 70 80 90 0123456 nat conv 60lfm 120lfm 200lfm 20 30 40 50 60 70 80 90 0123456 nat conv 60lfm 120lfm 200lfm
for assistance or to order, call (800) 531-5782 3 power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com application notes pt6650 series more application notes adjusting the output voltage of the pt6650 5amp 24v bus converter series the output voltage of the power trends pt6650 series isrs may be adjusted higher or lower than the factory trimmed pre- set voltage with the addition of a single external resistor. table 1 accordingly gives the allowable adjustment range for each model in the series as v a (min) and v a (max). adjust up: an increase in the output voltage is obtained by adding a resistor r2, between pin 14 (v o adjust) and pins 7-10 (gnd). adjust down: add a resistor (r1) , between pin 14 (v o adjust) and pins 11-13 (v out ). refer to figure 1 and table 2 for both the placement and value of the required resistor, either (r1) or r2 as appropriate. notes: 1. use only a single 1% resistorin either the (r1) or r2 loca- tion. place the resistor as close to the isr as possible. 2. never connect capacitors from v o adjust to either gnd, v out , or the remote sense pin. any capacitance added to the v o adjust pin will affect the stability of the isr. 3. if the remote sense feature is being used, connecting the resistor (r1) between pin 14 (v o adjust) and pin 1 (remote sense) can benefit load regulation. 4. the minimum input voltage required by the part is v out + 3, or 9v, whichever is higher. 5. for output voltages above 12.5vdc, the maximum output current must be limited to 4adc. the values of (r1) [adjust down], and r2 [adjust up], can also be calculated using the following formulae. r o (v o C 1.25)(v a C 1.25) (r1) = 1.25 (v o C v a ) C r s k w r o (v o C 1.25) C r s k w r2 = v a - v o where: v o = original output voltage v a = adjusted output voltage r o = the resistance value in table 1 r s = the series resistance from table 1 figure 1 table 1 pt6650 adjustment and formula parameters series pt # pt6652 pt6651 pt6653 pt6654 pt6656 pt6655 v o (nom) 2.5v 3.3v 5.0v 9.0v 12.0v 15.0v v a (min) 1.8v 2.2v 3.0v 6.0v 9.0v 10.0v v a (max) 4.3v 4.7v 6.5v 10.2v 13.6v 17.0v r o (k w w w w w ) 4.99 4.22 2.49 2.0 2.0 2.0 r s (k w w w w w ) 2.49 4.99 4.99 12.7 12.7 12.7 c in 100 m f + c out 330 m f + (r1) adj down r2 adjust up vo com com vin l o a d pt6650 11,12,13 14 7,8,9,10 4,5,6 vin vo gnd vo(adj) stby 3 vsense 1
for assistance or to order, call (800) 531-5782 4 application power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com notes pt6650 series table 2 pt6650 adjustment resistor values series pt # pt6652 pt6651 pt6653 series pt # pt6654 pt6656 pt6655 current 5adc 5adc 5adc current 5adc 5adc 4adc v o (nom) 2.5vdc 3.3vdc 5.0vdc v o (nom) 9.0vdc 12.0vdc 15.0vdc v a (reqd) v a (reqd) 1.8 (1.4)k w 6.0 (6.9)k w 1.9 (2.9)k w 6.2 (9.2)k w 2.0 (5.0)k w 6.4 (11.9)k w 2.1 (8.1)k w 6.6 (14.0)k w 2.2 (13.3)k w (1.0)k w 6.8 (18.6)k w 2.3 (23.7)k w (2.3)k w 7.0 (23.0)k w 2.4 (54.9)k w (3.9)k w 7.2 (28.3)k w 2.5 (5.8)k w 7.4 (35.0)k w 2.6 59.9k w (8.4)k w 7.6 (43.5)k w 2.7 28.7k w (11.7)k w 7.8 (55.0)k w 2.8 18.3k w (16.5)k w 8.0 (71.0)k w 2.9 13.1k w (23.6)k w 8.2 (95.0)k w 3.0 10.0k w (35.4)k w (1.6)k w 8.4 (135.0)k w 3.1 7.9k w (59.0)k w (2.3)k w 8.6 (215.0)k w 3.2 6.4k w (130.0)k w (3.1)k w 8.8 (455.0)k w 3.3 5.3k w (4.0)k w 9.0 (31.7)k w 3.4 4.4k w 81.5k w (5.1)k w 9.2 64.8k w (36.1)k w 3.5 3.8k w 38.3k w (6.2)k w 9.4 26.1k w (41.2)k w 3.6 3.2k w 23.8k w (7.6)k w 9.6 13.1k w (47.1)k w 3.7 2.7k w 16.6k w (9.1)k w 9.8 6.7k w (54.1)k w 3.8 2.3k w 12.3k w (10.9)k w 10.0 2.8k w (62.6)k w (25.8)k w 3.9 2.0k w 9.4k w (13.0)k w 10.2 0.2k w (72.8)k w (28.3)k w 4.0 1.7k w 7.4k w (15.6)k w 10.4 (85.7)k w (31.1)k w 4.1 1.4k w 5.8k w (18.7)k w 10.6 (102.0)k w (34.1)k w 4.2 1.2k w 4.6k w (22.6)k w 10.8 (124.0)k w (37.3)k w 4.3 1.0k w 3.7k w (27.6)k w 11.0 (155.0)k w (40.9)k w 4.4 2.9k w (34.2)k w 11.2 (201.0)k w (44.9)k w 4.5 2.2k w (43.6)k w 11.4 (278.0)k w (49.3)k w 4.6 1.7k w (57.6)k w 11.6 (432.0)k w (54.3)k w 4.7 1.2k w (80.9)k w 11.8 (895.0)k w (59.8)k w 4.8 (128.0)k w 12.0 (66.1)k w 4.9 (268.0)k w 12.2 94.8k w (73.3)k w 5.0 12.4 41.1k w (81.6)k w 5.1 88.4k w 12.6 23.1k w (91.3)k w 5.2 41.7k w 12.8 14.2k w (103.0)k w 5.3 26.1k w 13.0 8.8k w (117.0)k w 5.4 18.4k w 13.2 5.2k w (133.0)k w 5.5 13.7k w 13.4 2.7k w (154.0)k w 5.6 10.6k w 13.6 0.7k w (181.0)k w 5.7 8.4k w 13.8 (217.0)k w 5.8 6.7k w 14.0 (268.0)k w 5.9 5.4k w 14.2 (343.0)k w 6.0 4.4k w 14.5 (570.0)k w 6.1 3.5k w 15.0 6.2 2.8k w 15.5 42.3k w 6.3 2.2k w 16.0 14.8k w 6.4 1.7k w 16.5 5.6k w 6.5 1.2k w 17.0 1.1k w r1 = (red) r2 = black
important notice texas instruments and its subsidiaries (ti) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. all products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those pertaining to warranty, patent infringement, and limitation of liability. ti warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with ti's standard warranty. testing and other quality control techniques are utilized to the extent ti deems necessary to support this warranty. specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. certain applications using semiconductor products may involve potential risks of death, personal injury, or severe property or environmental damage (acritical applicationso). ti semiconductor products are not designed, authorized, or warranted to be suitable for use in life-support devices or systems or other critical applications. inclusion of ti products in such applications is understood to be fully at the customer's risk. in order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. ti assumes no liability for applications assistance or customer product design. ti does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of ti covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. ti's publication of information regarding any third party's products or services does not constitute ti's approval, warranty or endorsement thereof. copyright ? 1999, texas instruments incorporated
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