View R33LD20_8547025.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

unisonic technologies co., ltd rxxld20 linear integrated circuit www.unisonic.com.tw 1 of 11 copyright ? 2013 unisonic technologies co., ltd qw-r102-015.k 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. ? 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 note: pin assignment: n: nc, i: input, o: output, g: gnd, f: on/off
rxxld20 linear integrated circuit unisonic technologies co., ltd 2 of 11 www.unisonic.com.tw qw-r102-015.k ? marking information package voltage code marking to-220f-4 to-220b 33 :3.3v 35 :3.5v 05 :5.0v 06 :6.0v 08: 8.0v 09 :9.0v 10 :10v 12 :12v 15 :15v ? block diagram to-220f-4 to-220b specfic ic 2 4 3 5
rxxld20 linear integrated circuit unisonic technologies co., ltd 3 of 11 www.unisonic.com.tw qw-r102-015.k ? absolute maximum ratings (t a =25c, unless otherwise specified.) 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 p d 1.4 w with heat sink 15 w junction temperature (note2) t j 150 c operating temperature t opr -40 ~ +85 c storage temperature t stg -40 ~ +150 c 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 =25c) 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 ~ 125c,i out =5ma 0.02 %/c 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 ~ 125c,i out =5ma 0.02 %/c 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 11 www.unisonic.com.tw qw-r102-015.k ? 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 ~ 125c, i out =5ma 0.02 %/c 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 ~ 125c, i out =5ma 0.02 %/c 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 r08ld20(8v) parameter symbol test conditions min typ max unit output voltage v out v in =10v, i out =1a 7.76 8.0 8.24 v line regulation v out v in =9~15v, i out =5ma 0.5 2.5 % load regulation v out v in =10v, i out =5ma~2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0~125c, i out =5ma 0.02 %/c 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 =10v 2.0 v off v c ( off ) v in =10v 0.8 v current for control on i c ( on ) v c =2.7v, v in =10v 20 a off i c ( off ) v c =0.4v, v in =10v -0.4 ma quiescent current i q i out =0a, v in =10v 10 ma
rxxld20 linear integrated circuit unisonic technologies co., ltd 5 of 11 www.unisonic.com.tw qw-r102-015.k ? electrical characteristics(cont.) 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 =0~125c, i out =5ma 0.02 %/c 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 for r10ld20(10v) parameter symbol test conditions min typ max unit output voltage v out v in =12v, i out =1a 9.7 10.0 10.3 v line regulation v out v in =11~17v, i out =5ma 0.5 2.5 % load regulation v out v in =12v, i out =5ma~2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0~125c, i out =5ma 0.02 %/c 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 =12v 2.0 v off v c ( off ) v in =12v 0.8 v current for control on i c ( on ) v c =2.7v, v in =12v 20 a off i c ( off ) v c =0.4v, v in =12v -0.4 ma quiescent current i q i out =0a, v in =12v 10 ma 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 =0~125c, i out =5ma 0.02 %/c 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
rxxld20 linear integrated circuit unisonic technologies co., ltd 6 of 11 www.unisonic.com.tw qw-r102-015.k ? electrical characteristics(cont.) for r15ld20(15v) parameter symbol test conditions min typ max unit output voltage v out v in =17v, i out =1a 14.55 15.0 15.45 v line regulation v out v in =16~20v, i out =5ma 0.5 2.5 % load regulation v out v in =17v, i out =5ma~2.0a 0.1 2.0 % temperature coefficient of output voltage t c v o t j =0~125c, i out =5ma 0.02 %/c 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 =17v 2.0 v off v c ( off ) v in =17v 0.8 v current for control on i c ( on ) v c =2.7v, v in =17v 20 a off i c ( off ) v c =0.4v, v in =17v -0.4 ma quiescent current i q i out =0a, v in =17v 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 7 of 11 www.unisonic.com.tw qw-r102-015.k ? test circuits note : : to-220f-4, ( ): to-220b fig.1 1 4 3 2 v + + v in 0.33 f 47 f i o r l ei eo f=120hz ei=0.5vrms io=0.5a rr=20log (ei/eo) v in =11v(r09ld20) 12v(r10ld20) 14v(r12ld20) 17v(r15ld20) (2) (3) (5) (4) v in =5v(R33LD20) 5.5v(r35ld20) 7v(r05ld20) 8v(r06ld20) 10v(r08ld20) fig.2 for ripple rejection ? typical application
rxxld20 linear integrated circuit unisonic technologies co., ltd 8 of 11 www.unisonic.com.tw qw-r102-015.k ? typical characteristics o u t p u t v o l t a g e , v o ( v ) o u t p u t c u r r e n t , i o ( a ) 04.0 3.0 2.0 1.0 12 11 10 9 8 7 6 5 4 3 2 1 fig.6 overcurrent protection characteristics (typical value)(r09ld20) o u t p u t v o l t a g e , v o ( v ) o u t p u t c u r r e n t , i o ( a ) fig.7 overcurrent protection characteristics (typical value)(r12ld20) o u t p u t c u r r e n t i o ( a ) o u t p u t v o l t a g e , v o ( v ) 04.0 3.0 2.0 1.0 12 11 10 9 8 7 6 5 4 3 2 1 v d =0.5v fig.8 output voltage deviation vs .junction temperature (r03ld20) output voltage deviation, vo (mv) -25 100 50 25 0 75 125 -100 -50 0 50 100 150 v in =5v io=0.5a j u n c t i o n t e m p e r a t u r e , t j ( c ) v d =2v v d =3v v d =1v v d =0.5v v d =2v v d =3v v d =1v fig.5 overcurrent protection characteristics (typical value)(r05ld20) 04.0 3.0 2.0 1.0 12 11 10 9 8 7 6 5 4 3 2 1 v d =2v v d =0.5v v d =3v v d =1v
rxxld20 linear integrated circuit unisonic technologies co., ltd 9 of 11 www.unisonic.com.tw qw-r102-015.k ? 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 ( c ) -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 mp e r a t u r e , t j ( c ) 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 ( c ) 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 10 of 11 www.unisonic.com.tw qw-r102-015.k ? 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 (r12ld20) fig.16 circuit operating current vs .input voltage (R33LD20) 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 ( c ) 0510 0 20 40 60 80 circuit operating current, i bias (ma) fig.17 circuit operating current vs .input voltage (r05ld20) 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 (r09ld20) 0 20 40 60 80 5 20 40 60 80 fig.19 circuit operating current vs .input voltage (r12ld20) 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 11 of 11 www.unisonic.com.tw qw-r102-015.k ? 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.

▲Up To Search▲

Price & Availability of R33LD20

	To Download R33LD20 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .