78LXX. Description. Features. Package. Internal Block Digram O C I. Package TO-92 (top view)

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1 ) Description This series of fixed-voltage monolithic integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power-pass elements to make high-current voltage regulators. Each of these regulators can deliver up to100 ma of output current. The internal limiting and termal shutdown features of these regulators make them essentially immune to overload. When used as a replacement for a Zener diode-resistor combination, an effective improvemen in output impedance can be obtained together with lower-bias current. Features 3-Terminal Regulators Output Current Up to 100 ma No External Components Internal Thermal Overload Protection Internal Short-Circuit Limiting Package TO-92 (top view) Internal Block Digram Package O C I 1

2 Absolute Maximum Ratings over operating temperature range (unless otherwise noted) Maximum 78L05A thru 78L10A thru 78L18A 78L24A Input voltage Operating free-air, case, or virtual junction temperature range 0 to to to 150 Storage temperature range -65 to to to 150 C Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds Recommended Operating Conditions Min Max 78L05A L06A L08A L09A Input voltage, I 78L10A L15A L18A L24A Output current, IO 100 ma Operating virtual junction temperature, TJ C Device Selection Guide Device 78L05A 78L06A 78L08A 78L09A 78L10A 78L15A 78L18A 78L24A Output oltage

3 Electrical Characteristics 78L05A Electrical characteristics at specified virtual junction temperature, I= 10, IO 78L05A C to I= 7 to I= 7 to I= 8 to Ripple rejection I= 8 to 18, f= 120Hz db Output noise voltage f= 10Hz to 100 KHz 42 µ Dropout voltage 1.7 Bias current ma I= 8 to 20 0 C to Electrical Characteristics 78L06A Electrical characteristics at specified virtual junction temperature, I= 11, IO 78L06A C to I= 8 to I= 8 to I= 9 to Ripple rejection I= 9 to 19, f= 120Hz db Output noise voltage f= 10Hz to 100 KHz 46 µ Dropout voltage 1.7 Bias current I= 9 to C to ma µf capacitor across the output. 3

4 Electrical Characteristics 78L08A Electrical characteristics at specified virtual junction temperature, I= 14, IO I= 10.5 to 23 I= 10.5 to 23 I= 11 to 23 78L08A C to Ripple rejection I= 13 to 23, f= 120Hz 0 C to db Output noise voltage f= 10Hz to 100 KHz 54 Dropout voltage 1.7 Bias current 4 6 I= 11 to C to µ ma Electrical Characteristics 78L09A Electrical characteristics at specified virtual junction temperature, I= 16, IO I= 12 to 24 I= 12 to 24 I= 13 to 24 78L09A C to Ripple rejection I= 15 to 25, f= 120Hz 0 C to db Output noise voltage f= 10Hz to 100 KHz 58 µ Dropout voltage 1.7 Bias current ma I= 13 to 24 0 C to µf capacitor across the output. 4

5 Electrical Characteristics 78L10A Electrical characteristics at specified virtual junction temperature, I= 17, IO I= 13 to 25 I= 13 to 25 I= 14 to 25 78L10A C to Ripple rejection I= 15 to 25, f= 120Hz 0 C to db Output noise voltage f= 10Hz to 100 KHz 62 µ Dropout voltage 1.7 Bias current ma I= 14 to 25 0 C to Electrical Characteristics Electrical characteristics at specified virtual junction temperature, I= 19, IO, I= 14 to 27 IO= 1mA to 70mA I= 14.5 to 27 I= 16 to C to Ripple rejection I= 15 to 25, f= 120Hz 0 C to db Output noise voltage f= 10Hz to 100 KHz 70 µ Dropout voltage 1.7 Bias current ma I= 16 to 27 0 C to µf capacitor across the output. 5

6 Electrical Characteristics 78L15A Electrical characteristics at specified virtual junction temperature, I= 23, IO, I= 17.5 to 30 IO= 1mA to 70mA I= 17.5 to 30 I= 19 to 78L15A C to Ripple rejection I= 18.5 to 28.5, f= 120Hz 0 C to db Output noise voltage f= 10Hz to 100KHz 82 µ Dropout voltage 1.7 Bias current ma I= 19 to 30 0 C to Electrical Characteristics 78L18A Electrical characteristics at specified virtual junction temperature, I= 26, IO 78L18A Ripple rejection, I= 20.5 to 33 IO= 1mA to 70mA I= 20.5 to 33 I= 22 to I= 21.5 to 31.5, f= 120Hz 0 C to C to db Output noise voltage f= 10Hz to 100 KHz 89 µ Dropout voltage 1.7 Bias current I= 22 to ma 0 C to µf capacitor across the output. 6

7 Electrical Characteristics 78L24A Electrical characteristics at specified virtual junction temperature, I= 32, IO Ripple rejection, I= 26.5 to 39 IO= 1mA to 70mA I= 26.5 to 39 I= 29 to I= 27.5 to 37.5, f= 120Hz 78L24A C to C to db Output noise voltage f= 10Hz to 100 KHz 97 µ Dropout voltage 1.7 Bias current ma I= 28 to 39 0 C to µf capacitor across the output. Ordering Information ORDERING NU MBER PACK AGE M ARKING TO - 92 ET Address : 6A06--6A07 Rm 6A07,Changyin Office Building,No.88,Yong Ding Road,Hai Dian District,Beijing Postalcode: Tel: / 81 / 82 / 83 / 84 Fax : sales@estek.com.cn RE No:

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