78L05S SKTECHNOLGY | Alldatasheet

Document overview

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Technical content

3-Terminal positive voltage regulator Suitable for TTL, DTL, HTL, C-MOS, Power Supply Internal Short-Circuit Current Limiting Internal Thermal Overload Protection Maximum Output Current of 150mA (Tj=25oC) Available in the Plastic SOT-23 Package Absolute Maximum Ratings ( T a = 25 o C ) Symbol Parameter Rating Unit Input Voltage 5V/12V V IN V Power Dissipation P tot 350 mW Operating Temperature T opr -30~75 C Storage Temperature Range -55~150 C T s 1.OUT 2.IN SOT -23 3.GND ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JUNCTION TEMPERATURE (Vi=10V ,Io=40mA,Ci=0.33 F ,Co=0.1 F , unless otherwise specified ) 78L05S THRU 78L12S E SD protected up to 2KV 1 of 5 REV.08

Electrical Characteristics

(Unless otherwise specified, V IN =19V, I OUT =40mA, C IN =0.33μF, C OUT =0.1μF, T j =25°C) Parameter Symbol Test Condition Min. Typ. Max. Uunit Output Voltage V OUT 11.5 12.5 V 120 250 Input Regulation Reg. line 14.5V≤V IN ≤27V 16V≤V IN ≤27V 100 200 mV 100 Load Regulation Reg. load 1.0mA≤I OUT ≤100mA 1.0mA≤I OUT ≤40mA mV V OUT 14.5V≤V IN ≤27V 1.0mA≤I OUT ≤40mA 11.4 12.6 V Output Voltage V OUT V IN =19V 1.0mA≤I OUT ≤70mA 11.4 12.6 V Quiescent Current I B 3.2 6.5 mA With line 16V≤V IN ≤27V 1.5 Quiescent Current Change With load Δ I B 1.0mA≤I OUT ≤40mA 0.1 mA Output Noise Voltage V NO Ta=25°C, 10Hz≤f≤100KHz μ V Ripple Rejection RR f=120Hz, 15V≤V IN ≤25V,T j =25°C dB Dropout Voltage V IN OUT T j =25°C 1.7 V Average Temperature Coefficient of Output Voltage TC VO I OUT =5mA mV/°C 78L05S THRU 78L12S 2 of 5 REV.08

-25 0 25 50 75 100 125 4.0 4.5 5.0 5.5 6.0 0 5 10 15 20 25 30 456789 1 0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0 5 10 15 20 25 30 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -40 -25 0 25 50 75 100 125 100 150 200 250 300 V in =10V I O =5mA Output Voltage vs Junction Temperature OUTPUT VOLTAGE V O (V) JUNCTION TEMPERATURE T J ( ) ć I O =0mA T J =25 ć OUTPUT VOLTAGE V O (V) INPUT VOLTAGE V IN (V) Output Characteristics I O =0mA I O =40mA I O =70mA I O =100mA T J =25 ć OUTPUT VOLTAGE V O (V) INPUT VOLTAGE V IN (V) Dropout Characteristics QUIESCENT CURRENT I Q (mA) INPUT VOLTAGE V IN (V) Quiescent Current vs Input Voltage I O =0mA T J =25 ć -40 Current Cut-off Grid Voltage OUTPUT VOLTAGE V O (V) OUTPUT CURRENT I O (A) V IN =10V T J =25 ć Pulsed Power Derating Curve POWER DISSIPATION P D (mW) JUNCTION TEMPERATURE T J ( ) ć 78L05S THRU 78L12S 3 of 5 REV.08

-25 0 25 50 75 100 125 125 250 375 500 625 750 8 9 10 11 12 13 14 15 0 5 10 15 20 25 30 -25 0 25 50 75 100 125 0 40 80 120 160 200 240 I O =0mA T J =25 ć Output Characteristics OUTPUT VOLTAGE V O (V) INPUT VOLTAGE V IN (V) Power Derating Curve POWER DISSIPATION P D (mW) JUNCTION TEMPERATURE T J ( ) ć Dropout Characteristics T J =25 ć I O =0m A OUTPUT VOLTAGE V O (V) INPUT VOLTAGE V IN (V) I O =40,70,100mA I O =0mA T J =25 ć Quiescent Current INPUT VOLTAGE V IN (V) QUIESCENT CURRENT I Q (mA) Output Voltage vs Junction Temperature OUTPUT VOLTAGE V O (V) V in =19V I O =5mA V IN =19V T J =25 ć Pulsed Current Cut-off Grid Voltage OUTPUT VOLTAGE V O (V) OUTPUT CURRENT I O (mA) JUNCTION TEMPERATURE T J ( ) ć 78L05S THRU 78L12S 4 of 5 REV.08

Plastic surface mounted package; 3 leads SOT-23 78L05S THRU 78L12S 5 of 5 REV.08