BL2950/BL2951 100mA Low -Dropout Voltage Regulator BL2950/BL2951 DES CRI PT ION T h e B L2 9 5 0 / B L2 9 5 1 a r e mo n o l i t h i c i n t e g r a t e d vo l t a g e regulators with low dropout voltage, and low quiescent current. It in cl ude s ma n y fe a tu r es t ha t su i ta bl e fo r di f fere n t a pp l icat i ons . D IP 8 F E AT U R E S Fi x e d o u tp u t ve r s io n s, 2 . 5 V , 3 V , 3 . 3 V , 3 .6 V a n d 5 V , a re T O -9 2 a va i la b l e . H igh accuracy output voltage. Ext re me l y l o w q u ie scent cu r ren t an d d ro pou t vol t age . Ext re me l y t i gh t l oad and li ne regu la t ion. C urren t an d the r ma l l imi t i ng. V ery low te mpe ra tur e coef f ic ien t. Lo gi c con t ro l led shu td own an d er r flog a va i la bl e fo r 8 p in SOP 8 T O -2 5 2 package. O u t p u t vo l t a g e p r o g ra m ma b l e f o r B L2 9 5 1 . P I N C O N F I G U R AT I O N V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 1/10 BL2950/BL2951 BLOCK DIAGRAM ORDERING INFORMATION MARKING INFORMATION (BL2950 TO-252) “Y” stands for the last number of product year “M” stands for the last number of product month “50” stands for 5.0V output V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 2/10 BL2950/BL2951 ABSOLUTE MAXI MUM RATI N GS (Ta=25℃) Charac te ris t ic Supply voltage Fe e d b a c k vo lt a g e S h u td o wn vo l ta g e Power dissipation Operation junction temperature Sto ra ge t e mpe ra tu re S ymb o l Vcc V FB V SH DN PD TJ TSTG * Li mi t -0. 3 ~ + 30 -1. 5 ~ + 30 -0. 3 ~ + 30 In te rn al l y Li mi t ed -40 ~ +12 5 -65 ~ +15 0 Unit V V V W ℃ ℃ *: A b s o l u t e m a x i m u m r a t i n g s a r e t h o s e v a l u e s b e yo n d w h i c h t h e d e v i c e c o u l d b e per ma nen t l y d a mage d. Abso lu te max i mu m ra t i ngs a re s t re ss ra ti ngs onl y a nd fu nc t ion a l de vic e o pe ra t ion is no t i mp l ied . T H E R M A L D ATA Charac te ris t i c J u n c t i o n -t o -A mb i e n t J u n c t i o n -t o -C a s e V1.3 S ymb o l TO-92 TO-252 SOP 8 D IP 8 TO-92 TO-252 SOP 8 θ JA θ JC Li mi t 160 92 180 105 83 6 45 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn Unit ℃/W ℃/W 3/10 BL2950/BL2951 ELECTRICAL CHARACTERISTICS ( u n l e s s o t h e r w i s e s p e c i f i e d : V IN = 6 V , I L= 1 0 0 µ A , C L= 1 µ F , T J = 2 5 ℃ ) F o r A l l Ve r s i o n Characteristic S ymb o l C ond ition s TJ = 2 5℃ O u tp u t vo l ta g e *1 V OU T - 2 5 ℃ ≤ T J ≤ + 8 5 ℃ *1 O u tp u t vo l ta g e V OU T 100µA≤ I L ≤ 1 0 0 m A TJ ≤ T J (ma x) Min. V OU T ×0.98 V OU T ×0.98 V OU T ×0.98 T yp . VOUT VOUT VOUT Max V OUT ×1.02 V OUT ×1.02 V OUT ×1.02 Unit V V O u tp u t vo l ta g e te mp er a tur e coe f fic ie nt Li n e reg u la t io n ΔVOUT 6 V ≤ V IN ≤ 3 0 V 0.03 0.1 0.2 ppm /℃ % Lo ad re g u la t io n ΔVOUT 100µA≤ I L ≤ 1 0 0 m A 0.04 0.1 0.2 % D ro p o u t vo l t a g e VD 50 80 150 380 450 600 G roun d cur re n t IG IL =100µA 75 120 140 IL =100mA 8 12 14 110 170 200 160 200 220 TcVo D ropo ut g rou nd cu rren t C urren t l i mi t Output noise(10Hz~100kHz) ( B yp a s s = 0 . 0 1 µ F p i n s 7 I L IM IT eN t o 1 ( B L2 9 5 1 ) 20 IL =100µA IL =100mA *2 V IN = 4 . 5 V , I L = 1 0 0 µ A V OU T = 0 100 C L= 1 µ F 430 C L= 2 0 0 µ F 160 C L= 3 . 3 µ F 100 mV µA mA µA mA µV F o r B L 2 9 5 1 8 p i n Ve r s i o n O n l y Characteristic S ymb o l R efe re nc e voltage VREF R efe re nc e voltage VREF Fe e d b a c k p i n b i a s c u rr en t R efe re nc e voltage te mp er a tur e coe f fic ie nt Fe e d b a c k b i a s c u r re n t te mp er a tur e coe f fic ie nt E r r o r C o mp a r a t o r Output leakage current Output low voltage Threshold voltage H ys t e r e s i s V1.3 C onditions O ve r t e m p e r a t u r e *4 Min. T yp . Max Unit 1.22 1.235 1.25 V 1.27 V 40 nA ppm /℃ nA/ ℃ 1 µA mV 1.19 IFB 20 VREF(TC) 50 IFB ( TC ) 0.1 IO(LEAK) V OH= 30V Upper V THU V IN = 4 . 5 V , I O L= 4 0 0 µ A *3 Lo we r V THL *3 V HYS *3 VOL SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 250 3.2 %VO 7.6 15 %VO mV 4/10 BL2950/BL2951 Continuious Characteristic S ymb o l C ond itions Min. T yp . Max 1.3 0.7 V SH DN= 2.4V 30 50 V SH DN= 30V 450 600 3 10 Unit Shutd ow n Inpu t Inp ut log ic voltage Lo w V IL Regulator ON H igh V IH Regulator O FF Shu tdown p in input current R egulator output cur re n t shu td own IS H DN ID F F V 2.0 V S H D N ≧ 2 V , V IN ≦ 3 0 V , V OU T= 0 , Fe e d b a c k p in tied to 5V Tap. µA µA * 1. A d d i t io n a l c o n d i t io n s fo r 8 -p in ve rs io n s a re FB p i n t ie d to 5V T AP , O u t pu t t ie d to S e n se (V OU T= 5V ) a n d V SH D N≤0 . 8 V *2 . D ro p o u t V o l ta g e i s d e f i n e d a s th e inp u t to o u t p u t d i f fe re n t i a l a t wh i c h th e o u tp u t vol t age d rop s 100 mV bel ow it s no mi na l va lu e mea su re d a t 1V d i f fe rent ia l . *3 . C o mp a ra to r th r e s h o ld s a r e e x p re ss e d i n te rms o f p e r c e n t a g e va l u e o f vo l t a g e o u tp u t. *4 . V R E F ≤ V O U T ≤ ( V IN - 1 V ) , 2 . 3 V ≤ V IN ≤ 3 0 V , 1 0 0 µ A ≤ I L≤ 1 0 0 m A , T J ≤ T J ( M A X ) APPL ICAT IO N CIRCUITS Note： 1. Please use a capacitor Cin1 with 1μF or more between VIN and GND pin.(Cin1 1μF) 2. Please use a capacitor Cout1 with 1μF or more between VOUT and GND pin.(Cout1 1μF) V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 5/10 BL2950/BL2951 C H A R A C T E R I S T I C S C U RV E V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 6/10 BL2950/BL2951 V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 7/10 BL2950/BL2951 O U T L I N E D R AW I N G D IP8 Unit: mm SOP8 Unit:mm V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 8/10 BL2950/BL2951 Un it : mm TO-252 V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 9/10 BL2950/BL2951 Unit:mm TO-92 V1.3 SHANGHAI BELLING CO.,LTD http://www.belling.com.cn 10/10