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IRU1260 Datasheet(PDF) 2 Page - International Rectifier |
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IRU1260 Datasheet(HTML) 2 Page - International Rectifier |
2 / 10 page IRU1260 2 Rev. 2.1 09/19/02 www.irf.com VCTRL Input Voltage Reference Voltage Line Regulation Load Regulation (Note 1) Dropout Voltage (Output #2) (Note 2) Dropout Voltage (Output #1) (Note 2) Current Limit (Output #2) Current Limit (Output #1) Thermal Regulation Ripple Rejection Feedback Pin Input Current Temperature Stability Long Term Stability RMS Output Noise Minimum Load Current (Note 3) ABSOLUTE MAXIMUM RATINGS Input Voltage (VIN) .................................................... 7V Power Dissipation ..................................................... Internally Limited Storage Temperature Range ...................................... -65°C To 150°C Operating Junction Temperature Range ..................... 0°C To 150°C PACKAGE INFORMATION 7-PIN PLASTIC TO-263 (M) 7-PIN ULTRA THIN-PAK (P) θJA=308C/W for 1"sq pad θJA=308C/W for 1"sq pad ELECTRICAL SPECIFICATIONS Unless otherwise specified, these specifications apply over CIN=1 mF, COUT=10mF and TJ=0 to 150°C. Typical values refer to TJ=25 °C. IFL=6A for output #1 and IFL=1A for output #2. VFB=VOUT for both outputs. VCTRL=VIN=3.3V. Note 3: Minimum load current is defined as the mini- mum current required at the output in order for the out- put voltage to maintain regulation. Typically the resistor divider values are selected such that this current is au- tomatically maintained. Note 1: Low duty cycle pulse testing with Kelvin con- nections is required in order to maintain accurate data. Note 2: Dropout voltage is defined as the minimum dif- ferential voltage between VIN and VOUT required to main- tain regulation at VOUT. It is measured when the output voltage drops 1% below its nominal value. PARAMETER SYM TEST CONDITION MIN TYP MAX UNITS Io=10mA, TJ=25°C Io=10mA Io=10mA, VOUT+1.3V<VIN=VCTRL<7V 10mA<Io<IFL Io=4A, VCTRL=4.75V, VIN=3.3V Io=3A, VCTRL=4.75V, VIN=3.3V Io=2A, VCTRL=4.75V, VIN=3.3V Io=1A, VCTRL=4.75V, VIN=3.3V Io=1A, VCTRL=VIN=4.75V DVo=100mV DVo=100mV 30ms pulse, Io=IFL f=120Hz, Co=25 mF Tantalum, Io=0.5 3 IFL Io=10mA Io=10mA TA=125°C, 1000Hrs TA=25°C, 10Hz<f<10KHz 3.0 1.188 1.176 6.1 1.1 V V % % V V A A %/W dB mA % % %VO mA 1.212 1.224 1.0 0.7 0.5 0.6 1.3 0.02 1 1.200 1.200 0.2 0.4 0.35 0.4 0.01 70 0.02 0.5 0.3 0.003 5 VREF ICL2 ICL1 IFB VCTRL VFB1 VFB2 Gnd VOUT2 VIN VOUT1 1 2 3 4 5 6 7 1 2 3 4 5 6 7 VCTRL VFB1 VFB2 Gnd VOUT2 VIN VOUT1 |
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