CJ78M08

JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD TO-252-2L Plastic-Encapsulate Voltage Regulator CJ78M08 Three-terminal positive voltage regulator TO-252-2L FEATURES z z z Maximum output current IOM: 0.5 A Output voltage VO: 8V Continuous total dissipation PD: 1.25 W (Ta= 25 ℃ ) 1.IN 2 1 2.GND 3 3.OUT ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit Vi 35 V Thermal Resistance from Junction to Ambient RθJA 80 ℃/W Operating Junction Temperature Range TOPR -40~+125 ℃ Storage Temperature Range TSTG -65~+150 ℃ Input Voltage ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=14V,Io=350mA,Ci=0.33μF,Co=0.1μF,unless otherwise specified) Pa rameter Symbol Output Voltage Vo Load Regulation ΔVo Line Regulation ΔVo Quiescent Current Iq Test conditions Min Typ Max Unit 7.76 8 8.24 V 8 8.4 V Io=5mA-500mA ,TJ=25℃ 20 160 mV Io=5mA-200mA,TJ=25℃ 10 80 mV 10.5V≤V i≤25V, Io=200mA ,TJ=25℃ 6 100 mV 11V≤V i≤25V, Io=200mA ,TJ=25℃ 2 50 mV 4.6 6 mA 0.8 mA 0.5 mA TJ=25℃ 10.5≤V i≤23V, Io=5mA-350mA TJ=25℃ ΔIq 10.5V≤V i≤25V, Io=200mA ΔIq 5mA≤I O≤350mA Output Noise Voltage VN 10Hz≤ f ≤100KHz ,TJ=25℃ Ripple Rejection RR 11.5V≤Vi≤21.5V,f=120Hz,Io=300mA Dropout Voltage Vd = Io 350mA ,TJ=25℃ Short Circuit Current Isc = Vi 14V,TJ=25℃ Peak Current Ipk Quiescent Current Change * Pulse test. TYPICAL APPLICATION Vi 7.6 TJ=25℃ 1 3 56 52 μV/Vo 80 dB 2 V 250 mA 0.5 A Vo CJ78M08 2 Ci Co 0.33μF 0.1μF Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. www.jscj-elec.com 1 Rev. - 2.3 Typical Characteristics Output Dropout Characteristics Characteristics 8.5 12 IO=0mA TJ=25℃ TJ=25℃ 8.0 VO 8 7.5 OUTPUT VOLTAGE OUTPUT VOLTAGE VO (V) (V) 10 6 4 IO=0A、0.2A、0.35A、0.5A 7.0 6.5 2 0 0 5 10 15 20 INPUT VOLTAGE 25 VIN 30 6.0 8.0 35 8.5 (V) 9.0 9.5 INPUT VOLTAGE VIN 10.0 (V) Current Cut-off Grid Voltage Quiescent Current 5 10 IO=0A VIN=14V TJ=25℃ VO 3 OUTPUT VOLTAGE QUIESCENT CURRENT Pulsed 8 (V) 4 IQ (mA) TJ=25℃ 2 1 0 0 5 10 15 20 INPUT VOLTAGE 25 VIN 30 6 4 2 0 0.0 35 0.5 1.0 1.5 OUTPUT CURRENT (V) IO 2.0 2.5 (A) Power Derating Curve Output Voltage vs Junction Temperature 1.50 12 Vin= 14V IO= 5mA 1.25 POWER DISSIPATION PD (W) OUTPUT VOLTAGE VO (V) 10 8 6 4 2 -40 1.00 0.75 0.50 0.25 -25 0 25 50 75 100 0.00 -40 125 JUNCTION TEMPERATURE TJ (℃ ) www.jscj-elec.com -25 0 25 50 75 100 125 JUNCTION TEMPERATURE TJ (℃) 2 Rev. - 2.3 TO-252-2L Package Outline Dimensions D A D1 c V L3 h E φ L4 L A1 L2 L1 D2 b e θ Symbol A A1 b c D D1 D2 E e L L1 L2 L3 L4 Φ θ h V Dimensions In Millimeters Min. Max. 2.200 2.400 0.000 0.127 0.635 0.770 0.460 0.580 6.500 6.700 5.100 5.460 4.830 REF. 6.000 6.200 2.186 2.386 9.712 10.312 2.900 REF. 1.400 1.700 1.600 REF. 0.600 1.000 1.100 1.300 0° 8° 0.000 0.300 5.250 REF. Dimensions In Inches Min. Max. 0.087 0.094 0.000 0.005 0.025 0.030 0.018 0.023 0.256 0.264 0.201 0.215 0.190 REF. 0.236 0.244 0.086 0.094 0.382 0.406 0.114 REF. 0.055 0.067 0.063 REF. 0.024 0.039 0.043 0.051 0° 8° 0.000 0.012 0.207 REF. TO-252-2L Suggested Pad Layout www.jscj-elec.com 3 Rev. - 2.3 TO-252-2L Tape and Reel www.jscj-elec.com 4 Rev. - 2.3 DISCLAIMER IMPORTANT NOTICE, PLEASE READ CAREFULLY The information in this data sheet is intended to describe the operation and characteristics of our products. JSCJ has the right to make any modification, enhancement, improvement, correction or other changes to any content in this data sheet, including but not limited to specification parameters, circuit design and application information, without prior notice. Any person who purchases or uses JSCJ products for design shall: 1. Select products suitable for circuit application and design; 2. Design, verify and test the rationality of circuit design; 3. Procedures to ensure that the design complies with relevant laws and regulations and the requirements of such laws and regulations. JSCJ makes no warranty or representation as to the accuracy or completeness of the information contained in this data sheet and assumes no responsibility for the application or use of any of the products described in this data sheet. Without the written consent of JSCJ, this product shall not be used in occasions requiring high quality or high reliability, including but not limited to the following occasions: medical equipment, automotive electronics, military facilities and aerospace. JSCJ shall not be responsible for casualties or property losses caused by abnormal use or application of this product. Official Website: www.jscj-elec.com Copyright © JIANGSU CHANGJING ELECTRONICS TECHNOLOGY CO., LTD.