BL78D05 Three-terminal positive Voltage Regulator BL78D05 FEATURES PIN CONNECTION Outpu t Crre n t in Exc ess o f 1A Outpu t Vo ltag e is 5V In te rn al the rma l O ve rlo ad p ro tec tion In te rn al Sh ort Circ u it Curren t Limiting ABSOLUTE MAXIMUM RATINGS (Ta =25°C ) Charac te ristics S ymb o l Value Unit Vi 35 V Therma l Re sista nce Ju nc tion -Ca se Rθ JC 10 ℃ /W Therma l Re sista nce Ju nc tion -A ir Rθ JC 93 ℃ /W Opera ting Te mpe ra tu re Topr -40 ～ 85 ℃ Storag e Te mpe ra tu re R ange Tstg -55 ～ 15 0 ℃ Inp ut Vo ltag e ELECTRICAL CHARACTERISTICS (un less o the rwise no te d , Vi= 10V, Io=50 0 mA , -40 ℃ <Tj< 85 ℃ ,C 1=0.3 3 µ F,Co=0 .1 µ F ) Charac te ristics S ymb o l Test Co nd ition s TJ=+25°C O u t p u t Vo l t a g e Vo 5.0mA≤ Io≤ 1.0A,Po≤ 15W Vi = 7 V t o 2 0 V Vi = 7 V t o 2 5 V Line Regulation * Regline Page1 Regload Typ Max 4.9 5.0 5.1 4.85 5.0 5.15 4.0 100 TJ=+25°C Unit V mV TJ=+25°C Vi = 8 V t o 1 2 V Lo a d R e g u l a t i o n * Min Io=5.0mA to 1A www.belling.com.cn 2 50 25 100 mV V1.0 BL78D05 10 50 5.0 8.0 0.03 0.5 Vi = 8 V t o 2 5 V 0.3 1.3 40 200 Io=250mA to 750mA Quiescent Current Quiescent Current Change IQ TJ=+25°C Io=5.0mA to 1.0A Δ IQ mA mA O u t p u t N o i s e Vo l t a g e VN f = 1 0 H z t o 1 0 0 K H z , T A = + 2 5 °C Ripple Rejection RR f=120Hz D r o p o u t Vo l t a g e VDrop Vi = 8 V t o 1 8 V Io=1A, TJ=+25°C 56 µ V/Vo 73 dB 2 V Short Circuit Current ISC Vi = 3 5 V, T A = + 2 5 ° C 230 mA Peak Current IPK TJ=+25°C 1.6 A APPLICATION CIRCUIT *B yp a ss c apa c itors are rec o mme nde d fo r o p timu m stab ility and transie nt respon se an d shou ld b e lo ca te d a s c lose a s P ossib le to th e regu la to rs. Page2 www.belling.com.cn V1.0 BL78D05 OUTLINE DRAWING TO-25 2 Page3 Un it:mm www.belling.com.cn V1.0