|Company||Texas Instruments, Inc.|
±1% Output Tolerance 25°C ±2% Output Tolerance Over Full Operating Range Thermal Shutdown
Internal Short-Circuit Current Limiting Pinout Identical to µA7800 Series Improved Version of µA7800 Series
Each fixed-voltage precision regulator in the TL780 series is capable of supplying A of load current. A unique temperature-compensation technique, coupled with an internally trimmed band-gap reference, has resulted in improved accuracy when compared to other three-terminal regulators. Advanced layout techniques provide excellent line, load, and thermal regulation. The internal current-limiting and thermal-shutdown features essentially make the devices immune to overload. ORDERING INFORMATION
TJ VO TYP (V) KC TO-220, short shoulder KCS TO-263 KTT KC TO-220, short shoulder KCS KC TO-220, short shoulder KCS PACKAGE (1) PowerFLEXTM KTE to 125°C Reel of 2000 Tube of 50 Tube of 20 Reel of 500 Tube of 50 Tube of 20 Tube of 50 Tube of 20 ORDERABLE PART NUMBER TL780-15CKC TL780-15KCS TOP-SIDE MARKING TL780-15C TL780-15
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerFLEX, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.over operating temperature ranges (unless otherwise noted)
MIN VI TJ Tstg (1) Input voltage Operating virtual junction temperature Lead temperature mm (1/16 in) from case for 10 s Storage temperature range 65 MAX UNIT V °C
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
PACKAGE PowerFLEX (KTE) TO-220 (KC/KCS) TO-263 (KTT) (1) BOARD High K, JESD 51-5 High K, JESD 51-5 High K, JESD 19°C/W 25.3°C/W
Maximum power dissipation is a function of TJ(max), JA, and TA. The maximum allowable power dissipation at any allowable ambient temperature PD = (TJ(max) TA)/JA. Operating at the absolute maximum of 150°C can affect reliability. Due to variations in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power levels slightly above or below the rated dissipation. For packages with exposed thermal pads, such as QFN, PowerPADTM, or PowerFLEX, JP is defined as the thermal resistance between the die junction and the bottom of the exposed pad.
MIN IO TJ Input voltage Output current Operating virtual junction temperature 14.5 17.5 MAX °C V UNITat specified virtual junction temperature, 500 mA (unless otherwise noted)
PARAMETER Output voltage Input voltage regulation Ripple rejection Output voltage regulation Output resistance Temperature coefficient of output voltage Output noise voltage Dropout voltage Input bias current Input bias-current change Short-circuit output current Peak output current 1 A TEST CONDITIONS = 1 kHz to 100 kHz 70 TL780-05C MIN TYP 5 MAX UNIT dB mV mV/°C mA A
Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.22-µF capacitor across the output.
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