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? semiconductor components industries, llc, 2005 september, 2005 ? rev. 6 1 publication order number: ncp4523/d ncp4523 cmos 3ch?ldos for rf unit the ncp4523 series are multi voltage regulator ics with high output voltage accuracy , extremely low supply current, low noise, low on?resistance and high ripple rejection by cmos process. the ncp4523 series contain three voltage regulators. each of these voltage regulators in the ncp4523 series consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit and a chip enable circuit. the chip enable function contributes to prolong battery life. further, regulators in the ncp4523 series are with low dropout voltage, excellent load transient response and line transient response, thus the ncp4523 series are very suitable for the power supply for hand?held communication equipment. the output voltage of each regulator is fixed with high accuracy by laser trim. since the package for these ics is ssop?8, high density mounting of the ics on boards is possible. features ? ultra?low supply current ? low standby current ? low dropout voltage ? high ripple rejection, typical 70 db (f = 1.0 khz) ? high output voltage accuracy, 2.0% ? excellent load transient response and line transient response ? small package 8?pin ssop ? maximum input voltage 6.0 v ? pb?free packages are available applications ? power source for cellular phones such as gsm, cdma and personal handy?phone system ? power source for electrical appliances such as cameras, vcrs, camcorders, etc. ? power source for battery?powered equipment ssop?8 g suffix case 487 see detailed ordering and shipping information in the package dimensions section on page 22 of this data sheet. ordering information marking diagram xxxx = product code yy = lot number 1 8 xxx xyy 1 8 pin assignment 1 2 3 4 8 7 6 5 see general marking information in the device marking section on page 22 of this data sheet. device marking information ssop?8 (top view) v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 http://onsemi.com
ncp4523 http://onsemi.com 2 pin description pin number symbol description ncp4523g ssop?8 1 v out1 output pin 2 v out2 output pin 3 v out3 output pin 4 gnd ground pin 5 ce3 chip enable pin 6 ce2 chip enable pin 7 ce1 chip enable pin 8 v dd input pin absolute maximum ratings rating symbol value unit input voltage v in 7.0 v input voltage (ce pin) ce ?0.3 v in + 0.3 v output voltage v out ?0.3 v in + 0.3 v output current (v out1 ) i out1 200 ma output current (v out2 ) i out2 100 ma output current (v out3 ) i out3 100 ma power dissipation p d 300 mw operating temperature range t opt ?40 85 c storage temperature range t stg ?55 125 c electrostatic discharge sensitivity (esd) human body model (hbm) machine model (mm) esd 2000 200 v maximum ratings are those values beyond which device damage can occur. maximum ratings applied to the device are individual str ess limit values (not normal operating conditions) and are not valid simultaneously. if these limits are exceeded, device functional operation i s not implied, damage may occur and reliability may be affected.
ncp4523 http://onsemi.com 3 electrical characteristics vr1 (t opt = 25 c) characteristics conditions symbol min typ max unit output voltage v in ? v out = 1.0 v 1.0 ma i out 30 ma v out 0.98 ? 1.02 v output current v in ? v out = 1.0 v i out 150 ? ? ma load regulation v in ? v out = 1.0 v 1.0 ma i out 80 ma v out / i out ? 12 40 mv dropout voltage refer to electrical characteristic by output voltage (vr1) v dif ? ? ? ? supply current v in ? v out = 1.0 v i ss ? 70 120 a supply current (standby) v in ? v out = 1.0 v v ce = gnd istandby ? 0.1 1.0 a line regulation v out + 0.5 v v in 6.0 v i out = 30 ma v out / v in ? 0.05 0.20 %/v ripple rejection f = 1.0 khz, sinusoidal 0.5 vp?p v in ? v out = 1.0 v rr ? 70 ? db input voltage ? v in ? ? 6.0 v output voltage temperature coefficient i out = 50 ma ?40 c t opt 85 c v out / t ? 100 ? ppm/ c short current limit v out = 0 v i lim ? 50 ? ma ce pull?down resistance ? r dn 2.5 5.0 10 m ce input voltage ?h?? ? v ceh 1.5 ? v in v ce input voltage ?l?? ? v cel 0.00 ? 0.25 v output noise bw = 10 hz ? 100 khz en ? 60 ? vrms electrical characteristics by output voltage (vr1) output voltage v out (v) dropout voltage v dif (v) condition typ max 2.0 v out 2.4 i out = 150 ma 0.35 0.55 2.5 v out 2.7 0.30 0.45 2.8 v out 3.3 0.22 0.35
ncp4523 http://onsemi.com 4 electrical characteristics vr2 (t opt = 25 c) characteristics conditions symbol min typ max unit output voltage v in ? v out = 1.0 v 1.0 ma i out 30 ma v out 0.98 ? 1.02 v output current v in ? v out = 1.0 v i out 80 ? ? ma load regulation v in ? v out = 1.0 v 1.0 ma i out 50 ma v out / i out ? 12 40 mv dropout voltage refer to electrical characteristic by output voltage (vr2) v dif ? ? ? ? supply current v in ? v out = 1.0 v i ss ? 70 120 a supply current (standby) v in ? v out = 1.0 v v ce = gnd istandby ? 0.1 1.0 a line regulation v out + 0.5 v v in 6.0 v i = 30 ma v out / v in ? 0.05 0.20 v ripple rejection f = 1.0 khz, sinusoidal 0.5 vp?p v in ? v out = 1.0 v rr ? 70 ? db input voltage ? v in ? ? 6.0 v output voltage temperature coefficient i out = 30 ma ?40 c t opt 85 c v out / t ? 100 ? ppm/ c short current limit v out = 0 v i lim ? 50 ? ma ce pull?down resistance ? r dn 2.5 5.0 10 m ce input voltage ?h?? ? v ceh 1.5 ? v in v ce input voltage ?l?? ? v cel 0.00 ? 0.25 v output noise bw = 10 hz ? 100 khz en ? 60 ? vrms electrical characteristics by output voltage (vr2) output voltage v out (v) dropout voltage v dif (v) condition typ max 2.0 v out 2.4 i out = 80 ma 0.22 0.38 2.5 v out 2.7 0.20 0.38 2.8 v out 3.3 0.16 0.24
ncp4523 http://onsemi.com 5 electrical characteristics vr3 (t opt = 25 c) characteristics conditions symbol min typ max unit output voltage v in ? v out = 1.0 v 1.0 ma 30 ma v out 0.98 ? 1.02 v output current v in ? v out = 1.0 v i out 80 ? ? ma load regulation v in ? v out = 1.0 v 1.0 ma i out 50 ma v out / i out ? 12 40 mv dropout voltage refer to electrical characteristic by dropout voltage (vr3) v dif ? ? ? ? supply current v out + 0.5 v v in 6.0 v i out = 30 ma i ss ? 70 120 a supply current (standby) f = 1.0 khz, sinusoidal 0.5 vp?p v in ? v out = 1.0 v istandby ? 0.1 1.0 a line regulation ? v out / v in ? 0.05 0.20 %/v ripple rejection i out = 30 ma ?40 c t opt 85 c rr ? 70 ? db input voltage v out = 0 v v in ? ? 6.0 v output voltage temperature coefficient ? v out / t ? 100 ? ppm/ c short current limit bw = 10 hz ? 100 khz i lim ? 50 ? ma ce pull?down resistance ? r dn 2.5 5.0 10 m ce input voltage ?h?? ? v ceh 1.5 ? v in v ce input voltage ?l?? ? v cel 0.00 ? 0.25 v output noise ? en ? 60 ? vrms electrical characteristics by output voltage (vr3) output voltage v out (v) dropout voltage v dif (v) condition typ max 2.0 v out 2.4 i out = 80 ma 0.24 0.38 2.5 v out 2.7 0.22 0.28 2.8 v out 3.3 0.16 0.24
ncp4523 http://onsemi.com 6 1 3 2 4 8 6 7 5 v out1 ? + current limit (pin numbers of this block diagrams are applied to ncp4523 series) v ref ? + current limit v ref ? + current limit error v ref amp. error amp. error amp. error amp. v out2 v out3 gnd v dd ce1 ce2 ce3 r1_1 r2_1 r1_2 r2_2 r1_3 r2_3 figure 1. block diagram
ncp4523 http://onsemi.com 7 1 3 2 4 8 6 7 5 v out1 ? + current limit (pin numbers of this block diagrams are applied to ncp4523 series) v ref ? + current limit v ref ? + current limit error v ref amp. error amp. error amp. error amp. v out2 v out3 gnd v dd ce1 ce2 ce3 r1_1 r2_1 r1_2 r2_2 r1_3 r2_3 figure 2. operation fluctuation of each regulator?s output voltage, or v out1, 2, 3 is detected individually. then it is put back to an error amplifier through feedback resistors, or r1_1, r2_1, r1_2, r2_2, r1_3, r2_3 and compared with a reference voltage and comp ensated for the result and make a constant voltage. in each regulator, short protection is made with a current limit circuit and standby mode is available by a chip enable circuit.
ncp4523 http://onsemi.com 8 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 c2 c3 c4 c1 i out1 i out2 i out3 c1 = 1.0 f c2 = c3 = c4 = 2.2 f v in 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 c1 c2 c3 i out1 i out2 i out3 c1 = c2 = c3 = 2.2 f 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 c2 c3 c4 c1 i out1 i out2 i out3 c1 = 1.0 f c2 = c3 = c4 = 2.2 f v in a p.g. figure 3. basic test circuit figure 4. test circuit for supply current figure 5. test circuit for line transient response
ncp4523 http://onsemi.com 9 figure 6. test circuit for load transient response 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 c1 c2 c3 i out1 i out2 i out3 c1 = c2 = c3 = 2.2 f v in figure 7. test circuit for ripple rejection 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 c2 c3 c4 c1 c1 = 1.0 f c2 = c3 = c4 = 2.2 f v in 11a 11b 12a 12b 13a 13b v in , input voltage (v) supply current i ss ( s) vr1 vr3 vr2 04 3 15 v out = 3.0 v figure 8. supply current vs input voltage 60 30 0 80 10 20 40 50 70 26
ncp4523 http://onsemi.com 10 0 2.5 0.3 0.5 0.2 0.1 v out , output voltage (v) 0.0 i out , output current (a) figure 9. output voltage vs. output current figure 10. output voltage vs. output current v out , output voltage (v) figure 11. output voltage vs. output current i out , output current (a) figure 12. output voltage vs. input voltage v in , input voltage (v) v out , output voltage (v) v out , output voltage (v) figure 13. output voltage vs. input voltage v in , input voltage (v) figure 14. output voltage vs. input voltage v in , input voltage (v) v out , output voltage (v) v out , output voltage (v) 3.5 05 4 3 26 3.0 1.0 2.0 0.0 4.0 i out , output current (a) 1.0 1.5 3.0 0.4 0.6 0.5 2.0 2.5 0.5 0.0 3.5 1.0 1.5 3.0 2.0 2.5 0.5 0.0 3.5 1.0 1.5 3.0 2.0 0 0.3 0.2 0.1 0.4 0 .5 0 0.3 0.2 0.1 0.4 3.0 1.0 2.0 0.0 4.0 3.0 1.0 2.0 0.0 4.0 1 05 4 3 26 1 05 4 3 26 1 i out = 50 ma i out = 30 ma i out = 1 ma vr3 vr1 vr2 i out = 50 ma i out = 30 ma i out = 1 ma i out = 50 ma i out = 30 ma i out = 1 ma 5 v 4 v 3.5 v v in = 3.3 v 5 v 4 v 3.5 v v in = 3.3 v 5 v 4 v 3.5 v v in = 3.3 v vr1 vr2 vr3
ncp4523 http://onsemi.com 11 3.1 60 3.4 30 3.3 3.2 rr, ripple rejection (db) 0 v in , input voltage (v) figure 15. ripple rejection vs. input voltage (dc bias) figure 16. ripple rejection vs. input voltage (dc bias) rr, ripple rejection (db) 80 70 60 50 40 30 20 10 0 figure 17. ripple rejection vs. input voltage (dc bias) v in , input voltage (v) figure 18. ripple rejection vs. input voltage (dc bias) v in , input voltage (v) rr, ripple rejection (db) rr, ripple rejection (db) figure 19. ripple rejection vs. input voltage (dc bias) v in , input voltage (v) figure 20. ripple rejection vs. input voltage (dc bias) v in , input voltage (v) rr, ripple rejection (db) rr, ripple rejection (db) 80 v in , input voltage (v) 10 20 40 50 70 3.5 100 hz 1 khz 10 khz 100 hz 1 khz 10 khz 100 hz 1 khz 10 khz 100 hz 1 khz 10 khz 100 hz 1 khz 10 khz 100 hz 1 khz 10 khz 3.1 60 3.4 30 3.3 3.2 0 80 10 20 40 50 70 3. 5 3.1 60 3.4 30 3.3 3.2 0 80 10 20 40 50 70 3.5 3.1 60 3.4 30 3.3 3.2 0 80 10 20 40 50 70 3. 5 3.1 3.4 3.3 3.2 3.5 3.1 60 3.4 30 3.3 3.2 0 80 10 20 40 50 70 3. 5 vr3 i out = 50 ma c out = tantal 2.2 f v out = 3.0 v vr3 i out = 10 ma c out = tantal 2.2 f v out = 3.0 v vr2 i out = 50 ma c out = tantal 2.2 f v out = 3.0 v vr2 i out = 10 ma c out = tantal 2.2 f v out = 3.0 v vr1 i out = 50 ma c out = tantal 2.2 f v out = 3.0 v vr1 i out = 10 ma c out = tantal 2.2 f v out = 3.0 v
ncp4523 http://onsemi.com 12 v out , output voltage (v) topt, topt temperature ( c) figure 21. output voltage vs. temperature figure 22. output voltage vs. temperature v out , output voltage (v) ?50 3.10 3.05 50 0 3.00 2.95 2.90 100 figure 23. output voltage vs. temperature topt, topt temperature ( c) figure 24. supply current vs. temperature topt, topt temperature ( c) i ss , supply current ( a) v out , output voltage (v) figure 25. supply current vs. temperature topt, topt temperature ( c) figure 26. supply current vs. temperature topt, topt temperature ( c) i ss , supply current ( a) i ss , supply current ( a) 20 60 40 0 80 100 topt, topt temperature ( c) ?50 50 010 0 3.10 3.05 3.00 2.95 2.90 3.10 3.05 3.00 2.95 2.90 ?50 50 0 100 ?50 50 010 0 ?50 50 010 0 ?50 50 0 100 20 60 40 0 80 100 20 60 40 0 80 100 vr1 v out = 3.0 v vr1 i out = 50 ma vr2 i out = 30 ma vr3 i out = 10 ma vr2 v out = 3.0 v vr3 v out = 3.0 v
ncp4523 http://onsemi.com 13 50 2 0.15 4 3 v df , dropout voltage (v) 0.00 v reg , set output voltage (v) figure 27. dropout voltage vs. set output voltage figure 28. dropout voltage vs. set output voltage v df , dropout voltage (v) figure 29. dropout voltage vs. set output voltage v reg , set output voltage (v) figure 30. ripple rejection vs. frequency frequency (khz) rr, ripple rejection (db) v df , dropout voltage (v) figure 31. ripple rejection vs. frequency frequency (khz) figure 32. ripple rejection vs. frequency frequency (khz) rr, ripple rejection (db) rr, ripple rejection (db) 0.25 0.1 10 110 0 30 60 20 40 0 70 80 v reg , set output voltage (v) 0.05 0.10 0.20 5 2 0.15 4 3 0.00 0.25 0.05 0.10 0.20 5 2 0.15 4 3 0.00 0.25 0.05 0.10 0.20 5 10 50 0.1 10 110 0 30 60 20 40 0 70 80 10 50 0.1 10 1 100 30 60 20 40 0 70 80 10 1 ma 50 ma 10 ma 1 ma 50 ma 10 ma 1 ma 50 ma 10 ma 50 ma 10 ma 30 ma 50 ma 10 ma 30 ma 50 ma 10 ma 30 ma 100 ma v out = 3.0 v vr2 v out = 3.0 v vr3 v out = 3.0 v vr1 c out = 0.47 f v out = 3.0 v vr1 c out = 2.2 f v out = 3.0 v vr2 c out = 0.47 f v out = 3.0 v
ncp4523 http://onsemi.com 14 vr1 v out = 3.0 v 82 78 84 76 80 72 86 0.15 rr, ripple rejection (db) frequency (khz) figure 33. ripple rejection vs. frequency figure 34. ripple rejection vs. frequency rr, ripple rejection (db) ?50 80 70 60 50 50 25 0 40 30 20 10 0 ?25 75 100 125 figure 35. ripple rejection vs. frequency frequency (khz) figure 36. dropout voltage vs. output current i out , output current (ma) v df , dropout voltage (v) rr, ripple rejection (db) figure 37. dropout voltage vs. output current i out , output current (ma) figure 38. dropout voltage vs. output current i out , output current (ma) v df , dropout voltage (v) v df , dropout voltage (v) 0.01 0.10 1.0 0 0 50 100 15 0 0.05 0.20 0.10 0.0 0.25 0.30 ?40 c 1 ma 10 ma 50 ma frequency (khz) 74 50 0.1 10 1 100 30 60 20 40 0 70 80 10 0.15 0 50 100 15 0 0.05 0.20 0.10 0.0 0.25 0.30 0.15 0 50 100 150 0.05 0.20 0.10 0.0 0.25 0.30 85 c 25 c 25 c ?40 c 85 c 25 c ?40 c 85 c 1 ma 50 ma 10 ma 1 ma 10 ma 50 ma vr2 c out = 2.2 f v out = 3.0 v vr3 c out = 2.2 f v out = 3.0 v vr3 c out = 2.2 f v out = 3.0 v vr2 v out = 3.0 v vr3 v out = 3.0 v
ncp4523 http://onsemi.com 15 0 3.00 30 2.97 20 10 output voltage (v) figure 39. line transient response input voltage (v) figure 40. line transient response time ( s) output voltage (v) figure 41. line transient response time ( s) 3.02 time ( s) 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) output voltage (v) 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) output voltage (vr1) input voltage input voltage input voltage output voltage (vr1) output voltage (vr1) c out = 2.2 f tantalum i out = 50 ma c out = 2.2 f tantalum i out = 30 ma c out = 2.2 f tantalum i out = 10 ma
ncp4523 http://onsemi.com 16 0 3.00 30 2.97 20 10 output voltage (v) figure 42. line transient response input voltage (v) figure 43. line transient response time ( s) output voltage (v) figure 44. line transient response time ( s) 3.02 time ( s) 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) output voltage (v) 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) output voltage (vr1) input voltage input voltage input voltage output voltage (vr1) output voltage (vr1) c out = 0.47 f tantalum i out = 50 ma c out = 0.47 f tantalum i out = 30 ma c out = 0.47 f tantalum i out = 10 ma
ncp4523 http://onsemi.com 17 0 3.00 30 2.97 20 10 output voltage (v) figure 45. line transient response input voltage (v) figure 46. line transient response time ( s) output voltage (v) figure 47. line transient response time ( s) 3.02 output voltage (vr1) input voltage time ( s) 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) output voltage (v) 0 3.00 30 2.97 20 10 3.02 2.96 2.98 2.99 3.01 40 80 50 60 70 4.0 1.0 6.0 0.0 2.0 3.0 5.0 input voltage (v) input voltage input voltage output voltage (vr1) output voltage (vr1) c out = ceramic 2.2 f and esr 1.0 i out = 50 ma c out = ceramic 2.2 f and esr 1.0 i out = 30 ma c out = ceramic 2.2 f and esr 1.0 i out = 10 ma
ncp4523 http://onsemi.com 18 ?40 3.40 3.35 3.30 3.25 0 ?10 ?20 3.20 3.15 3.10 3.05 2.80 ?30 10 20 100 figure 48. load transient response t, time ( s) v out , output voltage (v) 3.00 2.95 2.90 3.05 3.00 2.95 2.90 3.05 3.00 2.95 2.90 2.85 30 40 50 60 70 80 90 i out , output current (ma) 100 50 0 150 i out1 v out1 v out2 v out3 i out2 = 30 ma i out3 = 10 ma c out = 2.2 f + 1
ncp4523 http://onsemi.com 19 ?40 3.40 3.35 3.30 3.25 0 ?10 ?20 3.20 3.15 3.10 3.05 2.80 ?30 10 20 100 v out , output voltage (v) 3.00 2.95 2.90 3.05 3.00 2.95 2.90 3.05 3.00 2.95 2.90 2.85 30 40 50 60 70 80 90 50 i out2 v out1 v out2 v out3 i out1 = 50 ma i out3 = 10 ma c out = 2.2 f + 1 figure 49. load transient response t, time ( s) 100 0 i out , output current (ma)
ncp4523 http://onsemi.com 20 ?40 3.30 3.25 0 ?10 ?20 3.20 3.15 3.10 3.05 2.80 ?30 10 20 100 v out , output voltage (v) 3.00 2.95 2.90 3.05 3.00 2.95 2.90 3.05 3.00 2.95 2.90 2.85 30 40 50 60 70 80 90 50 i out3 v out1 v out2 v out3 i out1 = 50 ma i out2 = 30 ma c out = 2.2 f + 1 figure 50. load transient response t, time ( s) 100 0 i out1 , output current (ma) technical notes (pin numbers of the diagram below are applied to ncp4523) to use this ic with ceramic capacitors, esr should be set in the range of the following graphs. test circuit for noise level measurement is shown below. figure 51. 1 3 2 4 v out1 v out2 v out3 gnd v dd ce1 ce2 ce3 8 6 7 5 spectrum ceramic i out1 i out2 i out3 ceramic 1.0 f v in capacitor ceramic capacitor s.a. analyzer ceramic capacitor esr esr esr
ncp4523 http://onsemi.com 21 noise level is measured with a spectrum analyzer and hatched area shows stable areas of which noise level is approximately equal or less than 40 v (avg.). the relation between load current (i out ) and equivalent series resistors (esr) value of external output capacitor with the stable area is shown below. 0 10 100 50 esr ( ) 0.01 load current (ma) figure 52. ceramic capacitor 1.0 f figure 53. ceramic capacitor 2.2 f esr ( ) 040 20 60 80 figure 54. ceramic capacitor 1.0 f load current (ma) figure 55. ceramic capacitor 2.2 f load current (ma) esr ( ) esr ( ) figure 56. ceramic capacitor 1.0 f load current (ma) figure 57. ceramic capacitor 2.2 f load current (ma) esr ( ) esr ( ) 100 load current (ma) 0.1 1 150 0 10 100 50 0.01 100 0.1 1 15 0 10 0.01 100 0.1 1 040 20 60 8 0 10 0.01 100 0.1 1 040 20 60 80 10 0.01 100 0.1 1 040 20 60 8 0 10 0.01 100 0.1 1 stable unstable stable unstable stable unstable 10 0.01 100 0.1 1 stable unstable stable unstable stable unstable
ncp4523 http://onsemi.com 22 ordering information device s/n for voltage setting output voltage marking package shipping ? vr1 vr2 vr2 product code ncp4523g1t1 1 2.8 2.8 2.8 b01a ssop?8 3000 tape and reel ncp4523g1t1g 1 2.8 2.8 2.8 b01a ssop?8 (pb?free) 3000 tape and reel ncp4523g3t1 3 3.0 3.0 3.0 b03a ssop?8 3000 tape and reel NCP4523G3T1G 3 3.0 3.0 3.0 b03a ssop?8 (pb?free) 3000 tape and reel ncp4523g20t1 20 2.35 2.8 2.8 b20a ssop?8 3000 tape and reel ncp4523g20t1g 20 2.35 2.8 2.8 b20a ssop?8 (pb?free) 3000 tape and reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specification brochure, brd8011/d.
ncp4523 http://onsemi.com 23 package dimensions x m 0.15 (0.006) y t dim min max min max millimeters inches a 2.70 3.10 0.106 0.122 b 2.60 3.00 0.102 0.118 c 1.00 1.30 0.039 0.051 d 0.10 0.30 0.004 0.012 g 0.65 typ 0.026 typ h 0.475 typ 0.019 typ j 0.11 0.14 0.004 0.006 k 0.00 0.20 0.000 0.008 l 3.80 4.20 0.150 0.165 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. dimension d applies to plated terminal and is measured between 0.25 and 0.30 mm from terminal. 4. coplanarity applies to the exposed pad as well as the terminals. d a 8 pl 0.10 (0.004) ?t? seating plane c k j f e 1.85 2.05 0.073 0.081 f 0.30 0.60 0.012 0.024 e ?x? b l ?y? h 14 5 8 g note 3 ssop?8 g suffix case 487?01 issue o *for additional information on our pb?free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 0.38 mm 2.32 mm 5.28 mm 1.465 mm 0.65 mm
ncp4523 http://onsemi.com 24 on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, 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 rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly 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 manufacture 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. publication ordering information n. american technical support : 800?282?9855 toll free usa/canada japan : on semiconductor, japan customer focus center 2?9?1 kamimeguro, meguro?ku, tokyo, japan 153?0051 phone : 81?3?5773?3850 ncp4523/d literature fulfillment : literature distribution center for on semiconductor p.o. box 61312, phoenix, arizona 85082?1312 usa phone : 480?829?7710 or 800?344?3860 toll free usa/canada fax : 480?829?7709 or 800?344?3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : http://onsemi.com order literature : http://www.onsemi.com/litorder for additional information, please contact your local sales representative.

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