standard application for stby* pin; open = output enabled; ground = output disabled. pin-out information pin function 1 vid0 2 vid1 3 vid2 4 vid3 5 stby* - stand-by 6 do not connect 7v in 8v in 9v in pin function 10 v in 11 v in 12 remote sense gnd 13 gnd 14 gnd 15 gnd 16 gnd 17 gnd 18 gnd series pt7602 the pt7602 is a new series of high-performance, 10a integrated switching regulators (isrs) housed in a 27-pin sip package. the 10a capability allows easy integration of the latest high-speed, low-voltage ps, dsps, asics, and bus drivers into existing 3.3v systems. the output voltage of the pt7602 can be easily programmed with a 4 bit input compatible with intels pentium a ii processor. a differential remote sense is also provided which automatically compensates for any voltage drop from the isr to the load. for assistance or to order, call (800) 531-5782 power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com c in = required 1000f electrolytic c out = required 330f electrolytic l1 = optional 1h input choke pt7602 7 - 11 13 - 19 20 - 25 v in gnd 1h gnd v out c out + c in + 12 26 1 l1 load remote sense (+) remote sense (-) vid1 vid2 vid3 programming pins 2 3 4 stby* 5 vid0 3.3v input 10a programmable integrated switching regulator pin function 19 gnd 20 v out 21 v out 22 v out 23 v out 24 v out 25 v out 26 remote sense v out 27 do not connect specifications characteristics pt7602 series (t a = 25c unless noted) symbols conditions min typ max units output current i o t a = +60c, 200 lfm, pkg n 0.1 * 10a t a = +25c, natural convection 0.1 * 10a input voltage range v in 0.1a i o 10a 3.1 ** 3.6 v output voltage tolerance d v o v in = +3.3v, i o = 10a v o -0.03 v o +0.03 v 0c t a +65c line regulation reg line 3.1v v in 3.6v, i o = 10a 10 mv load regulation reg load v in = +3.3v, 0.1 i o 10a 10 mv v o ripple/noise v n v in = +3.3v, i o = 10a 50 mv transient response t tr i o step between 5a and 10a 100 sec with c out = 330f v os v o over/undershoot 200 mv efficiency h v in = +3.3v, i o = 7a v o = 1.8v 78 % v o = 1.5v 76 % switching frequency ? o 3.1v v in 3.6v 650 700 750 khz 0.1a i o 10a absolute maximum t a 0+85c operating temperature range recommended operating t a forced air flow = 200 lfm 0 +65 c temperature range over v in and i o ranges storage temperature t s -40 +125 c mechanical shock per mil-std-883d, method 2002.3 1 msec, half sine, mounted to a fixture 500 gs mechanical vibration per mil-std-883d, method 2007.2, 10 gs 20-2000 hz, soldered in a pc board weight vertical/horizontal 31/41 grams * isr-will operate down to no load with reduced specifications. please note that this product is not short-circuit protected. ** the minimum input voltage is 3.1v or v out +1.2v, whichever is greater. output capacitors: the pt7602 series requires a minimum ouput capacitance of 330f for proper operation. do not use oscon type capacitors. the m aximum allowable output capacitance is 7,500f. input filter: an input filter is optional for most applications. the input inductor must be sized to handle 10adc with a typical value of 1 h. the input capacitance must be rated for a minimum of 1.0arms of ripple current. for transient or dynamic load applications, additional capacitance may be required. revised 11/10/98
programming information vid3 vid2 vid1 vid0 vout 1 1 1 1 1.30v 1 1 1 0 1.35v 1 1 0 1 1.40v 1 1 0 0 1.45v 1 0 1 1 1.50v 1 0 1 0 1.55v 1 0 0 1 1.60v 1 0 0 0 1.65v 0 1 1 1 1.70v 0 1 1 0 1.75v 0 1 0 1 1.80v 0 1 0 0 1.85v 0 0 1 1 1.90v 0 0 1 0 1.95v 0 0 0 1 2.00v ? +3.3v input ? 4-bit programmable: 1.3v to 2.05v@10a ? high efficiency ? input voltage range: 3.1v to 3.6v ? differential remote sense ? 27-pin sip package features for assistance or to order, call (800) 531-5782 power trends, inc. 27715 diehl road, warrenville, il 60555 (800) 531-5782 fax: (630) 393-6902 http://www.powertrends.com characteristic data pt7602, v o = 1.8 vdc (see note 1) efficiency vs output current ripple vs output current power dissipation vs output current efficiency (%) ripple (mv) pd (watts) iout (a) iout (a) iout (a) note 1: note 1: note 1: note 1: note 1: all data listed in the above graphs has been developed from actual products tested at 25c. this data is considered typical dat a for the isr. series pt7602 ordering information pt7602 o o o o o = 1.3 to 2.05 volts (for dimensions and pc board layout, see package styles 800 and 810.) pt series suffix (pt1234 x ) case/pin configuration vertical through-hole n horizontal through-hole a horizontal surface mount c logic 0 = pin 12 potential (remote sense gnd) logic 1 = open circuit (no pull-up resistors) vid3 may not be changed while the unit is operating. 40 50 60 70 80 90 100 0246810 0 5 10 15 20 25 30 0246810 0 1 2 3 4 5 6 7 8 0246810
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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