unisonic technologies co., ltd rxxld20 linear integrated circuit www.unisonic.com.tw 1 of 10 copyright ? 2012 unisonic technologies co., ltd qw-r102-015.f 2a output type lo w power-loss voltage regulator ? features * low power-loss(dropout voltage: 0.5v(max) at i out =2.0a) * 2.0a output type * output voltage precision: 3.0% * built-in on/off control function and over-current protection circuit. * thermal shutdown protection. 1 to-220b to-220f-4 to-252 1 1 ? ordering information ordering number package pin assignment packing lead free halogen free 1234 5 rxxld20l-tb5-t rxxld20g-tb5-t to-220b n i o g f tube RXXLD20L-TF4-T rxxld20g-tf4-t to-220f-4 i o g f - tube rxxld20l-tn3-t rxxld20g-tn3-t to-252 i g o - - tube rxxld20l-tn3-r rxxld20g-tn3-r to-252 i g o - - tape reel note: pin assignment: n: nc, i: input, o: output, g: gnd, f: on/off
rxxld20 linear integrated circuit unisonic technologies co., ltd 2 of 10 www.unisonic.com.tw qw-r102-015.f ? marking information package voltage code marking to-220f-4 to-220b to-252 33 :3.3v 35 :3.5v 05 :5.0v 06 :6.0v 09 :9.0v 12 :12 v ? block diagram to-220f-4 to-220b specfic ic 2 3 4 5
rxxld20 linear integrated circuit unisonic technologies co., ltd 3 of 10 www.unisonic.com.tw qw-r102-015.f ? absolute maximum ratings (t a =25 ) parameter symbol ratings unit input voltage(note1) v in 20 v on/off control terminal voltage (note1) vc 20 v output current i out 2.0 a power dissipation no heat sink to-220f-4/to-220b p d 1.4 w to-252 0.7 with heat sink to-220f-4/to-220b 15 w to-252 5 junction temperature (note2) t j 150 operating temperature t opr -40 ~ +85 storage temperature t stg -40 ~ +150 note 1: all are open except gnd and applicable terminals. note 2: overheat protection may operate at 125 Q t j Q 150 c ? electrical characteristics (refer to the test circuits, unless otherwise specified, t a =25 ) for r33ld20(3.3v) parameter symbol test conditions min typ max unit output voltage v out v in =5v, i out =1a 3.201 3.3 3.399 v line regulation v out v in =4 ~ 10v, i out =5ma 0.1 2.5 % load regulation v out v in =5v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 ,i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control(note 2) on v c ( on ) v in =5v 2.0 v off v c ( off ) v in =5v 0.8 v current for control on i c ( on ) v c =2.7v,v in =5v 20 a off i c ( off ) v c =0.4v, v in =5v -0.4 ma quiescent current i q i out =0a, v in =5v 10 ma for r35ld20(3.5v) parameter symbol test conditions min typ max unit output voltage v out v in =5.5v, i out =1a 3.395 3.5 3.605 v line regulation v out v in =4.5 ~ 10.5v, i out =5ma 0.1 2.5 % load regulation v out v in =5.5v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 ,i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control (note 2) on v c ( on ) v in =5v 2.0 v off v c ( off ) v in =5v 0.8 v current for control on i c ( on ) v c =2.7v,v in =5.5v 20 a off i c ( off ) v c =0.4v, v in =5.5v -0.4 ma quiescent current i q i out =0a, v in =5.5v 10 ma
rxxld20 linear integrated circuit unisonic technologies co., ltd 4 of 10 www.unisonic.com.tw qw-r102-015.f ? electrical characteristics(cont.) for r05ld20(5v) parameter symbol test conditions min typ max unit output voltage v out v in =7v, i out =1a 4.85 5.0 5.15 v line regulation v out v in =6 ~ 12v, i out =5ma 0.5 2.5 % load regulation v out v in =7v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 , i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control (note 2) on v c ( on ) v in =7v 2.0 v off v c ( off ) v in =7v 0.8 v current for control on i c ( on ) v c =2.7v, v in =7v 20 a off i c ( off ) v c =0.4v, v in =7v -0.4 ma quiescent current i q i out =0a, v in =7v 10 ma for r06ld20(6v) parameter symbol test conditions min typ max unit output voltage v out v in =8v, i out =1a 5.82 6.0 6.18 v line regulation v out v in =7 ~ 13v, i out =5ma 0.5 2.5 % load regulation v out v in =8v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 , i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control (note 2) on v c ( on ) v in =8v 2.0 v off v c ( off ) v in =8v 0.8 v current for control on i c ( on ) v c =2.7v, v in =8v 20 a off i c ( off ) v c =0.4v, v in =8v -0.4 ma quiescent current i q i out =0a, v in =8v 10 ma for r09ld20(9v) parameter symbol test conditions min typ max unit output voltage v out v in =11v, i out =1a 8.73 9.0 9.27 v line regulation v out v in =10 ~ 16v, i out =5ma 0.5 2.5 % load regulation v out v in =11v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 , i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control (note 2) on v c ( on ) v in =11v 2.0 v off v c ( off ) v in =11v 0.8 v current for control on i c ( on ) v c =2.7v, v in =11v 20 a off i c ( off ) v c =0.4v, v in =11v -0.4 ma quiescent current i q i out =0a, v in =11v 10 ma
rxxld20 linear integrated circuit unisonic technologies co., ltd 5 of 10 www.unisonic.com.tw qw-r102-015.f ? electrical characteristics(cont.) for r12ld20(12v) parameter symbol test conditions min typ max unit output voltage v out v in =14v, i out =1a 11.64 12.0 12.36 v line regulation v out v in =13 ~ 19v, i out =5ma 0.5 2.5 % load regulation v out v in =14v, i out =5ma ~ 2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0 ~ 125 , i out =5ma 0.02 %/ ripple rejection rr refer to fig.2 45 55 db dropout voltage v d (note 1), i out =2a 0.5 v voltage for control (note 2) on v c ( on ) v in =14v 2.0 v off v c ( off ) v in =14v 0.8 v current for control on i c ( on ) v c =2.7v, v in =14v 20 a off i c ( off ) v c =0.4v, v in =14v -0.4 ma quiescent current i q i out =0a, v in =14v 10 ma note: 1. input voltage shall be the va lue when output voltage is 95% in com parison with the initial value. 2. in case of opening control terminal(pin 5 of to -220b, pin 4 of to-220f-4), output voltage turns on.
rxxld20 linear integrated circuit unisonic technologies co., ltd 6 of 10 www.unisonic.com.tw qw-r102-015.f ? test circuits note : : to-220f-4, ( ): to-220b fig.1 1 4 3 2 v + + fig.2 for ripple rejection v in 0.33 f 47 f io r l ei eo f=120hz ei=0.5vrms v in =5v(r33ld20) 5.5v(r35ld20) 7v(r05ld20) 8v(r06ld20) 11v(r09ld20) 14v(r12ld20) io=0.5a rr=20log (ei/eo) (2) (3) (5) (4) ? typical application
rxxld20 linear integrated circuit unisonic technologies co., ltd 7 of 10 www.unisonic.com.tw qw-r102-015.f ? typical characteristics o u t p u t v o l t a g e , v o ( v ) o u t p u t v o l t a g e , v o ( v ) o u t p u t v o l t a g e , v o ( v ) output voltage deviation, vo (mv)
rxxld20 linear integrated circuit unisonic technologies co., ltd 8 of 10 www.unisonic.com.tw qw-r102-015.f ? typical characteristics(cont.) fig.9 output voltage deviation vs .junction temperature (r05ld20) -25 100 50 25 075125 j u n c t i o n t e mp e r a t u r e , t j ( ) -100 -50 0 50 100 150 v in =7v io=0.5a v in =11v io=0.5a -25 100 50 25 0 75 125 -150 -100 -50 0 50 100 150 250 fig.10 output voltage deviation vs .junction temperature (r09ld20) j u n c t i o n t e m p e r a t u r e , t j ( ) i n p u t v o l t a g e , v i n ( v ) vi-o=0.5v vi-o=1v 0 15 10 5 0 5 10 v in =18v io=0.5a -25 100 50 25 0 75 125 -150 -100 -50 0 50 100 150 250 fig.11 output voltage deviation vs .junction temperature (r12ld20) j u n c t i o n t e mp e r a t u r e , t j ( ) 200 -200 fig.12 output voltage vs .input voltage (r33ld20) 08 6 4 2 8 7 6 5 4 3 2 1 10 0 fig.13 output voltage vs .input voltage (r05ld20) i n p u t v o l t a g e , v i n ( v ) fig.14 output voltage vs .input voltage (r09ld20) i n p u t v o l t a g e , v i n ( v ) r l = r l =2.5 r l =2.5 r l = r l =9 r l =4.5 08 6 4 2 8 7 6 0 4 3 2 1 10 r l = r l =3.3 r l =1.65 0
rxxld20 linear integrated circuit unisonic technologies co., ltd 9 of 10 www.unisonic.com.tw qw-r102-015.f ? typical characteristics(cont.) output voltage, vo (v) 0 25 15 10 520 0 5 10 15 20 i n p u t v o l t a g e , v i n ( v ) fig.15 output voltage vs .input voltage (r12ld30) fig.16 circuit operating current vs .input voltage (r33ld30) r l = r l =12 r l =6 0510 0 20 40 60 80 i n p u t v o l t a g e , v i n ( v ) r l = r l =3.3 r l =1.65 output voltage, vo (v) i n p u t v o l t a g e , v i n ( v ) i n p u t v o l t a g e , v i n ( v ) fig.20 dropout voltage vs .junction temperature d r o p o u t v o l t a g e , v i - o ( v ) j u n c t i o n t e m p e r a t u r e , t j ( ) 0510 0 20 40 60 80 circuit operating current, i bias (ma) fig.17 circuit operating current vs .input voltage (r05ld30) i n p u t v o l t a g e , v i n ( v ) 0 10 15 fig.18 circuit operating current vs .input voltage (r09ld30) 0 20 40 60 80 5 20 40 60 80 fig.19 circuit operating current vs .input voltage (r12ld30) circuit operating current, i bias (ma) 0 25 15 10 520 0 -25 50 0 0.1 0.2 0.3 0.4 125 100 075 25 0.5 circuit operating current, i bias (ma) r l = r l =5 r l =2.5 r l = r l =9 r l =4.5 r l = r l =12 r l =6 r33ld20 r12ld20 r09ld20 r05ld20
rxxld20 linear integrated circuit unisonic technologies co., ltd 10 of 10 www.unisonic.com.tw qw-r102-015.f ? typical characteristics(cont.) utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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