TS2940 1A Ultra Low Dropout Voltage Regulator TO-220 TO-263 TO-252 SOT-223 Pin Definition: 2 (D PAK) (DPAK) 1. Input 2. Ground 3. Output General Description The TS2940 series of fixed-voltage monolithic micro-power voltage regulators is designed for a wide range of applications. This device excellent choice of use in battery-power application. Furthermore, the quiescent current increases on slightly at dropout, which prolongs battery life. This series of fixed-voltage regulators features low drop output voltage (Typ. 60mV at light load and 600mV at 800mA). This includes a tight initial tolerance of 2%, extremely good line regulation of 0.05% typ., and very low output temperature coefficient. Features Dropout voltage typically 0.6V Io=800mA +30V Input over voltage protection Output current up to 1A +60V Transient peak voltage Output voltage trimmed before assembly Internal current limit -18V Reverse peak voltage Thermal shutdown protection Block Diagram Ordering Information Part No. Package Packing TS2940CZxx C0 TO-220 50pcs / Tube TS2940CMxx RN TO-263 800pcs / 13 Reel TS2940CPxx RO TO-252 2.5Kpcs / 13 Reel TS2940CWxx RP SOT-223 2.5Kpcs / 13 Reel Note: Where xx denotes voltage option, available are 50= 5.0V 33= 3.3V Contact factory for additional voltage options. Absolute Maximum Rating (Note 1) Parameter Symbol Limit Unit Input Supply Voltage (Note 2) V -18 ~ +60 V IN Input Supply Voltage V 26 V OPR Power Dissipation (Note 3) P Internally Limited W D o Operating Junction Temperature Range T -40 ~ +125 C J o Storage Temperature Range T -65 ~ +150 C STG 1/10 Version: C07 TS2940 1A Ultra Low Dropout Voltage Regulator o Electrical Characteristics ( V =V +1V, I =5mA, C =22uF, T =25 C, unless otherwise noted) IN OUT L O A Parameter Conditions Min Typ Max Unit Input Supply Voltage -- -- 26 V 5mA I 800mA, L Output Voltage 0.970 Vo 5.0 / 3.3 1.030 Vo V Vo+5V V 26V IN Output Voltage Temperature o -- 50 150 ppm/ C Coefficient Line Regulation Vo+2V V 26V -- 0.05 0.5 % IN Load Regulation 5mA I 800mA -- 0.2 1.0 % L I =100mA -- 100 200 L Dropout Voltage (Note 4) I =500mA -- 300 500 L mV I =800mA -- 600 800 L I =5mA -- 10 15 L Quiescent Current (Note 5) mA I =800mA -- 75 110 L Short Circuit Current (Note 6) V =0 -- -- 1.5 A OUT C =2.2uF -- 500 -- L Output Noise, C =3.3uF -- 350 -- uVrms L 10Hz to 100KHz, I =10mA L C =33uF -- 120 -- L Thermal Performance Condition Package type Typ Unit TO-220 60 Thermal Resistance TO-263 80 o C/W Junction to Ambient TO-252 150 SOT-223 170 Note 1: Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed specifications and test conditions see the electrical characteristics. Note 2: Maximum positive supply voltage of 60V must be limited duration (<100mS) and duty cycle (<1%). Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, Tj, the junction to ambient thermal resistance, ja, and the ambient temperature, Ta. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. The effective value of ja can be reduced by using a heatsink. Note 3: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at 1V differential. Note 4: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the ground pin current and output load current. Note 5: Output current will decrease with increasing temperature, but it will be not dropped below 1A at the maximum specified temperature. 2/10 Version: C07