LM78L12

SMD Type Three-Terminal Positive Voltage Regulator LM78L12 SOT-23 2.9 0.4 0.1 0.1 3 IC Unit: mm 0.1 1 0.95 0.1 0.1 2 0.55 Features Maximum Output current IO: 0.1A Output Voltage VO: 12V Continuous Total Dissipation PD: 0.35W (Ta = 25 ) 2.4 1.3 0.1 0.4 0.1 +0.05 -0.01 1.9 0.1 0.97 0.1 Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified) Parameter Input Voltage Operating Junction Temperature Range Storage Temperature Range Symbol VI TOPR TSTG -55 -55 Rating 35 +125 +150 Unit V Electrical Characteristics (VI=19V, IO=40mA,CI=0.33 F,CO=0.1 F, unless otherwise specified) Parameter Symbol TJ = 25 Output Voltage VO TJ = 0 125 , 14V VI 27V, IO=1mA 70mA 40mA Testconditons Min 11.5 11.4 11.4 Typ 12 12 12 22 13 55 49 4.3 VI IO 27V 40mA 70 37 42 1.7 Max 12.5 12.6 12.6 100 50 250 200 6.5 1.5 0.1 V dB V Unit V V V mV mV mV mV mA mA TJ = 0 125 , IO=1mA Load Regulation VO TJ = 25 , IO=1mA TJ = 25 , IO=1mA Line Regulation Quiescent Current Quiescent current Change Output Noise Voltage Ripple Rejection Dropout Voltage VO IQ IQ VN RR VD TJ = 25 , 14.5V TJ = 25 , 16V TJ = 25 TJ = 0 125 , 16V TJ = 0 125 , 1mA TJ = 25 , 10Hz f TJ = 0 125 , 15V TJ = 25 VI VI 100mA 40mA 27V 27V 100KHz VI 25V, f = 120Hz Typical Application VI 2 LM78L12 1 VO CI 0.33 F 3 CO 0.1 F Note:Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. 0.38 1.OUT 2.IN 3.GND 0 0.1 www.kexin.com.cn 1 SMD Type LM78L12 Typical Characteristics IC VO (V) 24 20 16 12 8 4 I O =0, T J = 25 VO (V) V IN = 19V, T J = 25 24 16 8 0 10 20 30 V IN (V) 0 100 200 300 I O (mA) Output Characteristics Load Characteristics VO (V) 30 25 20 15 10 5 V IN = 19V , I O = 0mA IO (mA) T J = 25 300 200 100 0 50 100 150 0 10 20 30 TA ( ) V IN - V O (V) Thermal Shutdown Short Circuit Output Current 2 www.kexin.com.cn