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KA78LXXA/KA78L05AA
3-Terminal 0.1A Positive Voltage Regulator
Features
• Maximum Output Current of 100mA • Output Voltage of 5V, 6V, 8V, 9V,10V, 12V, 15V, 18V and 24V • Thermal Overload Protection • Short Circuit Current Limiting • Output Voltage Offered in ±5% Tolerance
Description
The KA78LXXA/KA78L05AA series of fixed voltage monolithic integrated circuit voltage regulators are suitable for application that required supply current up to 100mA.
TO-92
SOT-89
GND
1 2 3 123
1. Output 2. GND 3. Input 8-SOP
8
1
1. Output 2. GND 3. GND 4. NC 5. NC 6. GND 7. GND 8. Input
Internal Block Diagram
VIt Inpu 3
I
THERMAL SHUTDOWN CIRCUIT
REFERENCE VOLTAGE
+ -
SHORT CIRCUIT PROTECTION
RSC
GND 2
V0 Outpu t 1
Rev. 1.0.4
©2002 Fairchild Semiconductor Corporation
KA78LXXA/KA78L05AA
Absolute Maximum Ratings
Parameter Input Voltage (for VO = 5V, 8V) (for VO = 12V to 18V) (for VO = 24V Operating Junction Temperature Range Storage Temperature Range Symbol VI Value 30 35 40 0 ~ +150 -65 ~ +150 Unit V V V °C °C
TJ TSTG
Electrical Characteristics(KA78L05A)
(VI = 10V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note1) Parameter Output Voltage Line Regulation (Note1) Symbol VO ∆VO ∆VO TJ = 25°C TJ = 25°C TJ = 25°C 7V ≤ VI ≤ 20V Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ ∆ IQ ∆ IQ VN ∆VO/∆T RR VD 7V ≤VI ≤ VMAX (Note 2) TJ = 25°C 8V ≤VI ≤ 20V 1mA ≤ IO ≤ 40 mA TA = 25°C, 10Hz ≤ f ≤ 100kHz IO = 5mA f = 120Hz, 8V ≤ VI ≤ 18V, TJ = 25°C TJ = 25°C 7V ≤ VI ≤ 20V 8V ≤ VI ≤ 20V 1mA ≤ IO ≤ 100mA 1mA ≤ IO ≤ 40mA 1mA ≤ IO ≤ 40mA 1mA ≤ IO ≤ 70mA Conditions Min. 4.8 4.75 41 Typ. 5.0 8 6 11 5.0 2.0 40 -0.65 80 1.7 Max. 5.2 150 100 60 30 5.25 5.25 5.5 1.5 0.1 Unit V mV mV mV mV V V mA mA mA µV/Vo mV/°C dB V
Load Regulation (Note1)
Note: 1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests. 2. Power dissipation PD ≤ 0.75W.
2
KA78LXXA/KA78L05AA
Electrical Characteristics(KA78L06A) (Continued)
(VI = 12V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation (Note1) Symbol VO ∆VO ∆VO VO IQ with line with load ∆ IQ ∆ IQ VN RR VD TJ = 25°C TJ = 25°C TJ = 25°C 8.5V ≤ VI ≤ 20V 9V ≤ VI ≤ 20V 1mA ≤ IO ≤ 100mA 1mA ≤ IO ≤ 70mA Conditions Min. 5.75 5.7 5.7 40 Typ. 6.0 64 54 12.8 5.8 3.9 40 0.75 46 1.7 Max. 6.25 175 125 80 40 6.3 6.3 5.5 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA mA µV/Vo mV/ °C dB V
Load Regulation (Note1) Output Voltage Quiescent Current Quiescent Current Change
8.5 ≤ VI ≤ 20V, 1mA ≤ IO ≤ 40mA 8.5 ≤ VI ≤ VMAX(Note), 1mA ≤ IO ≤ 70mA TJ = 25°C TJ = 125°C 9 ≤ VI ≤ 20V 1mA ≤ IO ≤ 40mA TA = 25°C, 10Hz.