Three-ter minal positive voltage regulator FEATURES Maximum Outpu
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79L05
Three-ter minal positive voltage regulator
FEATURES Maximum Output current 10M:0.1A Output voltage Vo:-5V
1.GND 2.IN 3.OUT
TO-92
ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)
Parameter Input voltage Operating junction temperature range Storage temperature range Symbol Topr Tstg Value -20-+120 -55-+150 Unlts
ELECTRICALCHARACTERISTICS (Vi=10V,Io=40mA,0 C<Tj<125 C,C1=0.33 F,Co=0.1 unless otherwise specified
Parameter Output voltage Load regulation Line regulation Qutput noise voltage Output Noise Voltage Output current voltage
Symbol
Test conditions Vi=-10V, Io=40mA Vi=-10V, Io=1mA~10mA Vi=-7V~-20V, Io=40mA Vi=-10V, Io=40mA 10Hz 100KHz, Vi=-10, Io=40mA
-4.8
-5.0
-5.2
UNIT
Vi=-8~18V, Io=40mA.ei=1Vp-p f=120Hz
TYPLCAL APPLICATION
79L05
0.33
0.33
TYPICAL CHARACTERISTICS 79L05 Series
Vo,OUTPUT VOLTAGE(V)
Io=40mA MC78L05AC Vout=5.0V
-Vo,INPUT/OUTPUT DIFFERENTIAL VOLTAGE(V)
-2.5 -2.0 -1.5 -1.0 -0.5
Io=40mA Io=1.0mA Dropout Regulation defined when Vo=2% Io=70mA
Io=1.0mA
Io=100mA
-2.0
-4.0
-6.0
-8.0
,INPUT VOLTAGE
,JUNCTION TEMPERATURE
Dropout characteristics
Dropout Voltage versus Junction Temperature
,INPUT BIAS CURRENT (mA)
=10V =-5.0V =40mA
,INPUT BIAS CURRENT (mA)
Vot=-5.0V Io=40mA
,AMBIENT TEMPERATURE
,INPUT VOLTAGE
Input Bias Current versus Ambient Temperature
Input Bias Current versus Input Voltage
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