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february 2009 rev 1 1/27 27 features 16 constant current output channels adjustable output current through external resistor output current: 3-40 ma serial data in/parallel data out 3.3 v or 5 v supply voltage max clock frequency 30 mhz schmitt-trigger input esd protection 2 kv hbm thermal shutdown description the STP16CPP05 is a monolithic, low voltage, low current power 16-bit shift register designed for led panel displays. the STP16CPP05 contains a 16-bit serial-in, parallel-out shift register that feeds a 16-bit, d-type storage register. in the output stage, sixteen regulated current sources provide from 3 ma to 40 ma constant current to drive the leds. the output current setup time is 40 ns (typ), thus improving the system performance. the leds' brightness can be controlled by using an external resistor to adjust the STP16CPP05 output current. the STP16CPP05 guarantees a 20 v output driving capability, allowing users to connect more leds in series.the high clock frequency, 30 mhz, makes the device suitable for high data rate transmission. the 3.3 v voltage supply is useful in applications that interface with a 3.3 v micro controller. so-24 tssop24 tssop24 (exposed pad) qsop-24 table 1. device summary order codes package packaging STP16CPP05 mtr so-24 1000 parts per reel STP16CPP05 ttr tssop24 2500 parts per reel STP16CPP05 xttr tssop24 exposed pad 2500 parts per reel STP16CPP05 ptr qsop-24 2500 parts per reel STP16CPP05 low voltage 16-bit constant current led sink driver www.st.com
contents STP16CPP05 2/27 contents 1 summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 pin connection and description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.3 recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 equivalent circuit and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 7 test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 9 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
STP16CPP05 summary description 3/27 1 summary description 1.1 pin connection and description figure 2. pin connection note: the exposed pad is electrically not connected table 2. typical current accuracy output voltage current accuracy output current v dd temperature between bits between ics 1.3 v 2 % 5 % 5 to 40 ma 3.3 v to 5 v 25 c table 3. pin description pin n symbol name and function 1 gnd ground terminal 2 sdi serial data input terminal 3 clk clock input terminal 4 le latch input terminal 5-20 out 0-15 output terminal 21 oe input terminal of output enable (active low) 22 sdo serial data out terminal 23 r-ext input terminal of an external resistor for constant current programing 24 v dd supply voltage terminal
electrical ratings STP16CPP05 4/27 2 electrical ratings 2.1 absolute maximum ratings stressing the device above the rating listed in the ?absolute maximum ratings? table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not imp lied. exposure to absolute ma ximum rating conditions for extended periods may affect device reliability. 2.2 thermal data table 4. absolute maximum ratings symbol parameter value unit v dd supply voltage 0 to 7 v v o output voltage -0.5 to 20 v i o output current 50 ma v i input voltage -0.4 to v dd +0.4 v i gnd gnd terminal current 800 ma f clk clock frequency 50 mhz table 5. thermal data symbol parameter value unit t opr operating temperature range -40 to +125 c t stg storage temperature range -55 to +150 c r thjc thermal resistance junction-case so-24 60 c/w tssop24 85 c/w tssop24 (1) exposed pad 1. the exposed pad should be soldered directly to the pcb to realize the thermal benefits. 37.5 c/w qsop-24 72 c/w
STP16CPP05 electrical ratings 5/27 2.3 recommended operating conditions table 6. recommended operating conditions at 25 c symbol parameter test conditions min typ max unit v dd supply voltage 3.0 5.5 v v o output voltage 20 v i o output current outn 3 40 ma i oh output current serial-out +1 ma i ol output current serial-out -1 ma v ih input voltage 0.7 v dd v dd +0.3 v v il input voltage -0.3 0.3 v dd v t wlat le pulse width v dd = 3.3 v to 5.0 v 20 ns t wclk clk pulse width 16 ns t wen oe pulse width 70 ns t setup(d) setup time for data 5 ns t hold(d) hold time for data 5 ns t setup(l) setup time for latch 15 ns f clk clock frequency cascade operation (1) 1. if the device is connected in ca scade, it may not be possible achiev e the maximum data transfer. please considered the ti mings carefully. 30 mhz
electrical characteristics STP16CPP05 6/27 3 electrical characteristics table 7. electrical characteristics (v dd = 3.3 v to 5 v, t = 25 c, unless otherwise specified.) symbol parameter test conditions min typ max unit v ih input voltage high level 0.7v dd v dd v v il input voltage low level gnd 0.3v dd v i oh output leakage current v oh = 20 v 0.15 1 a v ol output voltage (serial-out) i ol = 1 ma 0.4 v v oh output voltage (serial-out) i oh = -1 ma v dd -0.4v v i ol1 output current v o = 0.3 v, r ext = 4 k 4.75 5 5.25 ma i ol2 v o = 0.3 v, r ext = 980 19 20 21 i ol3 v o = 1.3 v, r ext = 490 38 40 42 i ol1 output current error between bit (all output on) v o = 0.3 v, i o = 5 ma r ext = 4 k 2 5 % i ol2 v o = 0.3 v, i o = 20 ma r ext = 980 0.5 3 i ol3 v o = 1.3 v, i o = 40 ma r ext = 490 1.0 3 r sin(up) pull-up resistor 150 300 600 k r sin(down) pull-down resistor 100 200 400 k i dd(off1) supply current (off) r ext = 980 out 0 to 15 = off 5.4 7.5 ma i dd(off2) r ext = 490 out 0 to 15 = off 8.0 9.5 i dd(on1) supply current (on) r ext = 980 out 0 to 15 = on 5.5 7.5 i dd(on2) r ext = 490 out 0 to 15 = on 8.1 9.5 thermal thermal protection 170 c
STP16CPP05 electrical characteristics 7/27 table 8. switching characteristics (v dd = 5 v, t = 25 c, unless otherwise specified.) symbol parameter test co nditions min typ max unit t plh1 propagation delay time, clk-outn , le = h, oe = l v ih = v dd v il = gnd c l = 10 pf i o = 20 ma v l = 3.0 v r ext = 1 k r l = 60 v dd = 3.3 v 44 58 ns v dd = 5 v 24 32 t plh2 propagation delay time, le-outn , oe = l v dd = 3.3 v 43 56 ns v dd = 5 v 24 32 t plh3 propagation delay time, oe -outn , le = h v dd = 3.3 v 63 82 ns v dd = 5 v 37 48 t plh propagation delay time, clk-sdo v dd = 3.3 v 17 22 ns v dd = 5 v 11 14 t phl1 propagation delay time, clk-outn , le = h, oe = l v dd = 3.3 v 22 28 ns v dd = 5 v 16 21 t phl2 propagation delay time, le-outn , oe = l v dd = 3.3 v 19 25 ns v dd = 5 v 15 20 t phl3 propagation delay time, oe -outn , le = h v dd = 3.3 v 16 21 ns v dd = 5 v 13 17 t phl propagation delay time, clk-sdo v dd = 3.3 v 21 27 ns v dd = 5 v 13 17 t on output rise time 10~90% of current waveform v dd = 3.3 v 26 35 ns v dd = 5 v 12 16 t off output fall time 90~10% of current waveform v dd = 3.3 v 4 6 ns v dd = 5 v 3 5 t r clk rise time (1) 5000 ns t f clk fall time (1) 5000 ns 1. in order to achieve high cascade data trans fer,please consider tr /tf timings carefully.
equivalent circuit and outputs STP16CPP05 8/27 4 equivalent circuit and outputs figure 3. oe terminal figure 4. le terminal figure 5. clk, sdi terminal
STP16CPP05 equivalent circuit and outputs 9/27 figure 6. sdo terminal figure 7. block diagram
timing diagrams STP16CPP05 10/27 5 timing diagrams note: outn = on when dn = h outn = off when dn = l figure 8. timing diagram note: the latches circuit holds data when the le terminal is low. 1 when le terminal is at high level, latch circ uit does not hold the data it passes from the input to the output. 2 when oe terminal is at low level, output terminals out0 to out15 respond to the data, either on or off. 3 when oe terminal is at high level, it switches off all the data on the output terminal. table 9. truth table clock le oe serial- in out0 ............. out7 ................ out15 sdo h l dn dn ..... dn - 7 ..... dn -15 dn - 15 l l dn + 1 no change dn - 14 h l dn + 2 dn + 2 ..... dn - 5 ..... dn -13 dn - 13 x l dn + 3 dn + 2 ..... dn - 5 ..... dn -13 dn - 13 x h dn + 3 off dn - 13
STP16CPP05 timing diagrams 11/27 figure 9. clock, serial-in, serial-out
timing diagrams STP16CPP05 12/27 figure 10. clock, serial-in, latch, enable, outputs figure 11. outputs
STP16CPP05 typical characteristics 13/27 6 typical characteristics figure 12. output current-r ext resistor table 10. output current-r ext resistor r ext ( ) output current (ma) 2370 1 1173 2 6930 3 4090 5 2025 10 1006 20 667 30 497 40 331 60 245 80 136 140 0 5 0 0 0 1 0 0 0 0 1 5 0 0 0 2 0 0 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 1 4 0 c u r r e n t ( m a ) r e x t e r n a l ( o h m )
typical characteristics STP16CPP05 14/27 figure 13. output current vs i ol (%) (temp.= 25, vdd = 5 v, pin= all outputs) figure 14. i set vs drop out voltage (v drop ) -5 -4 -3 -2 -1 0 1 2 3 4 5 0 5 10 15 20 25 30 35 40 45 iout (ma) error % d e v ma x % dev min % 0 200 400 600 800 1000 1200 0 5 10 15 20 25 30 35 40 45 50 55 60 65 current (ma) min drop voltage (mv) avg @ 3.3v avg @ 5.0v
STP16CPP05 typical characteristics 15/27 table 11. i set vs drop out voltage (v drop ) vdd (v) iset (ma) min (mv) max (mv) avg (mv) vdd (v) iset (ma) min (mv) max (mv) avg (mv) 3.3 3353736 5.0 3373737 5 71 72 71 5 72 73 72 10 162 165 163 10 162 164 163 20 347 348 347 20 345 347 346 40 724 724 724 40 725 728 726 60 1080 1090 1080 60 1090 1140 1110
test circuit STP16CPP05 16/27 7 test circuit figure 15. dc characteristic figure 16. ac characteristic
STP16CPP05 test circuit 17/27 figure 17. typical application schematic note: v l will be determined by the v f of the leds test condition: temp. = 25 c, v dd = 3.3 v, v in = v dd , c l = 10 pf, freq. = 1 mhz, ch1 = clk, ch2 = sdi, ch3 = outn , ch4 = v out STP16CPP05 c = 10 f + figure 18. turn on output current setup
test circuit STP16CPP05 18/27 figure 19. turn off output current setup
STP16CPP05 package mechanical data 19/27 8 package mechanical data in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. table 12. qsop-24 mechanical data dim. mm. inch min typ max min typ max a 1.54 1.62 1.73 0.061 0.064 0.068 a1 0.1 0.15 0.25 0.004 0.006 0.010 a2 1.47 0.058 b 0.31 0.2 0.012 0.008 c 0.254 0.17 0.010 0.007 d 8.56 8.66 8.76 0.337 0.341 0.345 e 5.8 6 6.2 0.228 0.236 0.244 e1 3.8 3.91 4.01 0.150 0.154 0.158 e 0.635 0.025 l 0.4 0.635 0.89 0.016 0.025 0.035 h 0.25 0.33 0.41 0.010 0.013 0.016 < 8 0
package mechanical data STP16CPP05 20/27 figure 20. qsop-24 package dimensions
STP16CPP05 package mechanical data 21/27 table 13. tssop24 mechanical data dim. mm. inch min typ max min typ max a 1.1 0.043 a1 0.05 0.15 0.002 0.006 a2 0.9 0.035 b 0.19 0.30 0.0075 0.0118 c 0.09 0.20 0.0035 0.0079 d 7.7 7.9 0.303 0.311 e 4.3 4.5 0.169 0.177 e 0.65 bsc 0.0256 bsc h 6.25 6.5 0.246 0.256 k 0 8 0 8 l 0.50 0.70 0.020 0.028 figure 21. tssop24 package dimensions
package mechanical data STP16CPP05 22/27 table 14. tape and reel tssop24 dim. mm. inch min typ max min typ max a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 22.4 0.882 ao 6.8 7 0.268 0.276 bo 8.2 8.4 0.323 0.331 ko 1.7 1.9 0.067 0.075 po 3.9 4.1 0.153 0.161 p 11.9 12.1 0.468 0.476 figure 22. reel dimensions
STP16CPP05 package mechanical data 23/27 table 15. so-24 mechanical data dim. mm. inch min typ max min typ max a 2.65 0.104 a1 0.1 0.2 0.004 0.008 a2 2.45 0.096 b 0.35 0.49 0.014 0.019 b1 0.23 0.32 0.009 0.012 c 0.5 0.020 c1 45(typ.) d 15.20 15.60 0.598 0.614 e 10.00 10.65 0.393 0.419 e 1.27 0.050 e3 13.97 0.550 f 7.40 7.60 0.291 0.300 l 0.50 1.27 0.020 0.050 s (max.) 8 figure 23. so-24 package dimensions
package mechanical data STP16CPP05 24/27 table 16. tape and reel so-24 dim. mm. inch min typ max min typ max a 330 12.992 c 12.8 13.2 0.504 0.519 d 20.2 0.795 n 60 2.362 t 30.4 1.197 ao 10.8 11.0 0.425 0.433 bo 15.7 15.9 0.618 0.626 ko 2.9 3.1 0.114 0.122 po 3.9 4.1 0.153 0.161 p 11.9 12.1 0.468 0.476 figure 24. reel dimensions
STP16CPP05 package mechanical data 25/27 table 17. tssop24 exposed-pad dim. mm inch min typ max min typ max a 1.2 0.047 a1 0.15 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0089 d 7.7 7.8 7.9 0.303 0.307 0.311 d1 4.7 5.0 5.3 0.185 0.197 0.209 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.5 0.169 0.173 0.177 e2 2.9 3.2 3.5 0.114 0.126 0.138 e 0.65 0.0256 k 0 8 0 8 l 0.45 0.60 0.75 0.018 0.024 0.030 figure 25. tssop24 dimensions
revision history STP16CPP05 26/27 9 revision history table 18. document revision history date revision changes 11-feb-2009 1 first release
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