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Datasheet File OCR Text: |
september 2013 doc id 15480 rev 7 1/26 1 L5300GJ 5 v low drop voltage regulator features operating dc supply voltage range 5.6 v to 40 v low dropout voltage 300 ma current capability low quiescent current very low consumption mode precision output voltage 5 v +/- 2% reset circuit sensing the output voltage programmable reset pulse delay with external capacitor early warning very wide stability range with low value output capacitor thermal shutdown and short circuit protection wide temperature range (t j = -40c to 150c) enable input for enabling / disabling the voltage regulator description L5300GJ is a low dropout linear regulator with microprocessor control functions such as power on reset, low voltage reset, early warning, on/off control. typical quiescent current is 55 a in very low output current mode and enabled regulator. it drops to 5 a with not enabled regulator. on-chip trimming results in high output voltage accuracy (2%). accuracy is kept over wide temperature range, line and load variation. early warning circuit monitors the input voltage and compares it with an internal voltage reference. the maximum input voltage is 40 v. the maximum output current is internally limited. internal temperature protection disables the voltage regulator output. in addition, only low value ceramic capacitor on output is required for stability (equal or above 220 nf). max dc supply voltage v s 40 v max output voltage tolerance v 0 +/-2% max dropout voltage v dp 500 mv output current i 0 300 ma quiescent current i qn 5 a (1) 55 a (2) 1. typical value with regulator disabled. 2. typical value with regulator enabled. powersso-12 table 1. device summary package order codes tube tape and reel powersso-12 L5300GJ L5300GJtr www.st.com
contents L5300GJ 2/26 doc id 15480 rev 7 contents 1 block diagram and pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.4 electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.1 voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.3 early warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3.4 enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4 package and pcb thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 5 package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.1 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.2 powersso-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.3 powersso-12 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 L5300GJ list of tables doc id 15480 rev 7 3/26 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 3. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 5. general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 6. reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 7. early warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 8. enable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 9. powersso-12 thermal parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 table 10. powersso-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 table 11. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 list of figures L5300GJ 4/26 doc id 15480 rev 7 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. output voltage vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 4. output voltage vs v s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 5. output voltage vs v en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 6. drop voltage vs. output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 7. current consumption vs. output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 figure 8. current consumption vs. output current (at light load condition). . . . . . . . . . . . . . . . . . . . . 10 figure 9. current consumption vs input voltage (i o = 0.1 ma) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 10. current consumption vs input voltage (i o = 100 ma) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 11. current limitation vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 12. current limitation vs input voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 13. short-circuit current vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 figure 14. short-circuit current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 15. v en_high vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 16. v en_low vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 17. v rhth vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 18. v rlth vs t j. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 19. v ewi_thh vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 20. v ewi_thl vs t j. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 21. i cr vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 22. i dr vs t j . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 23. application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 24. stability region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 25. maximum load variation response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 26. reset time diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 27. early warning time diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 28. powersso-12 pc board (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 29. rthj-amb vs. pcb copper area in open box free air condition . . . . . . . . . . . . . . . . . . . . . 18 figure 30. powersso-12 thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . 19 figure 31. thermal fitting model of vreg in in powersso-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 32. powersso-12 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 33. powersso-12 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 34. powersso-12 tape and reel shipment (suffix ?tr?) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 L5300GJ block diagram and pins description doc id 15480 rev 7 5/26 1 block diagram and pins description figure 1. block diagram low voltage reset vs vo start - up voltage reference res vcr ew i ew o current limiter pow er driver thermal shutdow n gnd en vos low voltage reset vs vo start - up voltage reference res vcr ew i ew o current limiter pow er driver thermal shutdow n gnd en vos block diagram and pins description L5300GJ 6/26 doc id 15480 rev 7 figure 2. configuration diagram (top view) table 2. pins description n name function 1 nc not connected 2r es reset output. internally connected to v o through a 20 k pull up resistor. this pin is pulled low when v o < v o_th . keep open if not needed 3v cr reset delay. connect an external capacitor between v cr pin and ground to adjust the reset delay time. keep open if not needed 4 gnd ground reference 5v os regulator output voltage sensing (connect to v o ) 6v o 5 v regulated output. block to gnd with a ceramic capacitor (c o 220 nf for regulator stability) 7v s supply voltage, block directly to gnd on the ic with a capacitor 8 nc not connected 9e n enable input. a high signal switches the regulator on. connect to v s if not needed 10 ew i early warning input. this pin monitors the v s voltage level through a resistor divider. connect to v s if not needed 11 nc not connected 12 ew o early warning output. internally connected to v o through 20 k pull up resistor. this pin is pulled low when ew i is below bandgap reference voltage. keep open if not needed -tab tab is connected to the substrate of the chip: connect to gnd or leave open (see figure 2 ). tab = substrate 9 8 7 6 1 3 4 2 5 10 11 12 nc r es v cr gnd v os v o v s nc e n ew i nc ew o L5300GJ electrical specifications doc id 15480 rev 7 7/26 2 electrical specifications 2.1 absolute maximum ratings stressing the device above the rating listed in the table 3: absolute maximum ratings 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 implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2.2 thermal data m table 3. absolute maximum ratings symbol parameter value unit v sdc dc supply voltage -0.3 to 40 v i vsdc input current internally limited v odc dc output voltage -0.3 to 6 v i vodc dc output current internally limited v od r es open drain output voltage r es -0.3 to v odc + 0.3 v i od r es open drain output current r es internally limited v od ewo open drain output voltage ew o -0.3 to v odc + 0.3 v i od e wo open drain output current ew o internally limited v cr v cr voltage -0.3 to v o + 0.3 v v ewi early warning input voltage -0.3 to 40 v v en enable input -0.3 to 40 v t j junction temperature -40 to 150 c v esd hbm esd hbm voltage level (hbm-mil std 883c) +/- 2 kv v esd cdm esd cdm voltage level (cdm aec-q100-011) +/- 750 v table 4. thermal data (1) 1. the values quoted are for pcb 77mm x 86 mm x 1.6mm, fr4, double layer with thermal vias (one copper heatsink layer, thickness 0.070 mm, area 8 cm 2 ). symbol parameter value unit r thj-case thermal resistance junction to case: powersso-12 8 k/w r thj-amb thermal resistance junction to ambient: powersso-12 48 k/w electrical specifications L5300GJ 8/26 doc id 15480 rev 7 2.3 electrical characteristics values specified in this section are for v s = 5.6 v to 31 v, t j = -40c to 150c unless otherwise stated. table 5. general pin symbol parameter test condition min. typ. max. unit v o v o_ref output voltage v s = 8 v to 18 v; i o = 8 ma to 300 ma 4.9 5.0 5.1 v v o v o_ref output voltage v s = 5.6 v to 31v; i o = 8 ma to 300 ma 4.85 5.0 5.15 v v o v o_ref output voltage v s = 5.6 v to 31 v; i o = 0.1 ma to 8 ma 4.75 5.0 5.25 v v o i short short circuit current v s = 13.5 v 0.8 1.8 2.6 a v o i lim output current capability (1) 1. measured output current when the output voltage has dropped 100 mv from its nominal value obtained at 13.5 v and i o = 75 ma. v s = 13.5 v 0.6 1.6 2.5 a v s , v o v line line regulation voltage v s = 6 v to 28 v; i o = 60 ma 40 mv v o v load load regulation voltage v s = 13.5 v; i o = 8 ma to 300 ma; t j = 25 c 40 mv v s = 8 v to 18 v; i o = 8 ma to 300 ma 55 v s , v o v dp drop voltage (2) i o = 300 ma 500 mv v s , v o svr ripple rejection f r = 100 hz (3) 60 db v o i oth_h normal consumption mode output current 8ma v o i oth_l very low consumption mode output current 1.1 ma v o i oth_hyst output current switching threshold hysteresis v s = 13.5 v; t j = 25 c 0.8 ma v s , v o i qs current consumption with regulator disabled i qs = i vs ? i o v s = 13.5 v; e n = low 5 10 a v s , v o i qn_1 current consumption with regulator enabled i qn_1 = i vs ? i o v s = 13.5 v; i o = 0.1 ma to 1ma; e n = high 55 80 a v s , v o i qn_300 current consumption with regulator enabled i qn_300 = i vs ? i o v s = 13.5 v; i o = 300 ma; e n = high 34.2ma t w thermal protection temperature 150 190 c t w_hy thermal protection temperature hysteresis 10 c L5300GJ electrical specifications doc id 15480 rev 7 9/26 2. v s - v o measured dropout when the output voltage has dropped 100 mv from its nominal value obtained at 13.5v and i o = 75 ma. 3. guaranteed by design. table 6. reset pin symbol parameter test condition min. typ. max. unit r es v res_l reset output low voltage r ext = 5 k ; v o >1v 0.4 v r es i res_lkg reset output high leakage current v res = v out 1a r es r res pull-up internal resistance versus v o 10 20 40 k r es v o_th v o out of regulation threshold v o decreasing 6 8 10 %below v o_ref v cr v rlth reset timing low threshold v s = 13.5 v 15 18 22 % v o_ref v cr v rhth reset timing high threshold v s = 13.5 v 47 50 53 % v o_ref v cr i cr charge current v s = 13.5 v 10 20 30 a v cr i dr discharge current v s = 13.5 v 10 20 30 a r es t rr reset reaction time 2 s r es t rd reset delay time v s = 13.5 v; c tr = 1 nf 2 4 6 ms table 7. early warning pin symbol parameter test condition min. typ. max. unit ew i e wi_th_low ew input low threshold voltage 2.35 2.50 2.65 v ew i e wi_th_high ew input high threshold voltage 2.42 2.57 2.72 v ew i e wi_th_hyst ew input threshold hysteresis 70 mv ew i i ewi_lkg ew input leakage current v ewi = 0 v; v s > 3 v -1 1 a ew o r ewo pull-up internal resistance versus v o 10 20 40 k ew o e wo_lv ew output low voltage (with external pull up) v ewi < 2.35 v; v s >4v; r ext =5k 400 mv ew o i wo ew output leakage v ewo = 5 v 1 a table 8. enable pin symbol parameter test condition min. typ. max. unit e n v en_low e n input low voltage 1 v e n v en_high e n input high voltage 3 v e n v en_hyst e n input hysteresis 500 mv e n i _leak pull-down current v en = 5 v 3 10 a electrical specifications L5300GJ 10/26 doc id 15480 rev 7 2.4 electrical characteristics curves figure 3. output voltage vs t j figure 4. output voltage vs v s figure 5. output voltage vs v en figure 6. drop voltage vs. output current figure 7. current consumption vs. output current figure 8. current consumption vs. output current (at light load condition) 9 r b u h i 9 7 m ? & |