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CJ7912 Datasheet(PDF) 1 Page - Jiangsu Changjiang Electronics Technology Co., Ltd |
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CJ7912 Datasheet(HTML) 1 Page - Jiangsu Changjiang Electronics Technology Co., Ltd |
1 / 3 page 1 Co 1μF JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-252-2L Encapsulate Voltage Regulators CJ7912 Three-terminal negative voltage regulator FEATURES Maximum output current IOM: 1.5 A Output voltage Vo: - 12 V Continuous total dissipation PD: 1.25 W (Ta = 25 ℃ ) 10 W (TC= 25 ℃ ) ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit Input Voltage Vi -35 V Thermal Resistance from Junction to Ambient RθJA 100 ℃/W Thermal Resistance from Junction to Case RθJC 12.5 ℃/W Operating Junction Temperature Range TOPR 0 ~+150 ℃ Storage Temperature Range TSTG - 55~+150 ℃ ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=-19V,Io=500mA, Ci=2.2μF,Co=1μF, unless otherwise specified ) Parameter Symbol Test conditions Min Typ Max Unit 25 ℃ -11.5 -12 -12.5 V Output Voltage Vo -14.5V≤Vi≤-27V, Io=5mA-1A P≤15W 0-125 ℃ -11.4 -12 -12.6 V Io=5mA-1.5A 25 ℃ 15 200 mV Load Regulation ∆Vo Io=250mA-750mA 25 ℃ 5 75 mV -14.5V≤Vi≤-30V 25 ℃ 5 80 mV Line Regulation ∆Vo -16V≤Vi≤-22V 25 ℃ 3 30 mV Quiescent Current Iq 25 ℃ 2 3 mA ∆Iq -14.5V≤Vi≤-30V 0-125 ℃ 0.5 mA Quiescent Current Change ∆Iq 5mA≤I O≤1A 0-125 ℃ 0.5 mA Output Noise Voltage VN 10Hz≤f≤100KHz 25 ℃ 300 μV Output Voltage Drift Vo/ △△T IO=5mA 0-125 ℃ -0.8 mV/℃ Ripple Rejection RR -15V≤Vi≤-25V,f=120Hz 0-125 ℃ 54 60 dB Dropout Voltage Vd Io=1A 25 ℃ 1.1 V Peak Current Ipk 25 ℃ 2.1 A TYPICAL APPLICATION Vi 2 3 Vo UTC Ci 2.2μF CJ7912 TO-252-2L 1 GND 2. IN 3.OUT www.cj-elec.com 1 D,Mar,2016 |
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