79M05 THINKISEMI | Alldatasheet

Document overview

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Technical content

Features

  • Output Voltage: -5 & -12V
  • Output current up to 1A
  • No external components required
  • Internal thermal overload protection
  • Internal short-circuit current limiting
  • Output transistor safe-area compensation
  • Output voltage offered in 4% tolerance 79M05/79M12

1 Ampere Surface Mount Negative Three Terminal Voltage Regulators

© 2006 Thinki Semiconductor Co., Ltd. http://www.thinkisemi.com/ Page 1/3Rev.05

(Vin= -10V, Iout=500mA, 0 o C ≤Tj≤125 o C, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.) Parameter Symbol Test Condition Min Typ Max Unit Output voltage Vout Tj=25 o C -4.80 -5 -5.20 V -7.5V≤Vin≤-20V, 10mA ≤Iout≤1A, PD≤15W -4.75 -5 -5.25 Line Regulation REGline Tj=25 o C mV -8V≤Vin≤-12V -- 1 50 Load Regulation REGload Tj=25 o C 10mA ≤Iout≤1A -- 15 100 250mA ≤Iout≤750mA -- 5 50 Quiescent Current Iq Iout=0, Tj=25 o C -- 4 8 mA Quiescent Current Change ∆Iq -7.5V≤Vin≤-25V -- -- 1.3 10mA ≤Iout≤1A -- -- 0.5 Output Noise Voltage Vn 10Hz ≤f≤100KHz, Tj=25 o C -- 40 -- µV Ripple Rejection Ratio RR f=120Hz, -8V ≤Vin≤-18V 62 74 -- dB Voltage Drop Vdrop Iout=1A, Tj=25 o C -- 2 -- V Output Short Circuit Current Ios Tj=25 o C -- 750 -- mA Peak Output Current Io peak Tj=25 o C -- 2.1 -- A Temperature Coefficient of Output Voltage ∆Vout/ ∆Tj Iout=10mA, 0 o C ≤Tj≤125 o C -- -0.1 -- mV/ o C (Vin= -19V, Iout=500mA, 0 o C ≤Tj≤125 o C, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.) Parameter Symbol Test Condition Min Typ Max Unit Output Voltage Vout Tj=25 o C -11.53 -12 -12.48 V -14.5V≤Vin≤-27V, 10mA ≤Iout≤1A, PD ≤15W -11.42 -12 -12.60 Line Regulation REGline Tj=25 o C mV Load Regulation REGload Tj=25 o C 10mA ≤Iout≤1A -- 12 240 250mA ≤Iout≤750mA -- 4 120 Quiescent Current Iq Tj=25 o C, Iout=0 -- 4.3 8 mA Quiescent Current Change ∆Iq -14.5V≤Vin≤-30V -- -- 1 10mA ≤Iout≤1A -- -- 0.5 Output Noise Voltage Vn 10Hz ≤f≤100KHz, Tj=25 o C -- 75 -- uV Ripple Rejection Ratio RR f=120Hz, -15V ≤Vin≤-25V 55 70 -- dB Voltage Drop Vdrop Iout=1A, Tj=25 o C -- 2 -- V Output Short Circuit Current Ios Tj=25 o C -- 350 -- mA Peak Output Current Io peak Tj=25 o C -- 2.1 -- A Temperature Coefficient of Output Voltage ∆Vout/ ∆Tj Iout=10mA, 0 o C ≤Tj≤125 o C -- -1 -- mV/ o C /circle6 Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible, and thermal effects must be taken into account separately. /circle6 This specification applies only for DC power dissipation permitted by absolute maximum ratings. 79M05/79M12 © 2006 Thinki Semiconductor Co., Ltd. http://www.thinkisemi.com/ Page 2/3Rev.05