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FSP3112LAD Datasheet(PDF) 3 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
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FSP3112LAD Datasheet(HTML) 3 Page - FOSLINK SEMICONDUCTOR CO.,LTD |
3 / 10 page DUAL CHANNEL1.5 MHZ, 600MA SYNCHRONOUS STEP-DOWN CONVERTER 2007-7-11 3/10 FSP3112 ABSOLUTE MAXIMUM RATINGS (NOTE 1) Parameter Rating Unit Input Supply Voltage -0.3 to +6 V RUN1, RUN2 -0.3 to VIN+0.3 V VFB1, VFB2 Voltages -0.3 to VIN+0.3 V SW1, SW2 Voltages -0.3 to VIN+0.3 V POR Voltages -0.3 to +6 V Peak SW1,SW2 Sink and Source Current 1.5 A Operating Temperature Range -40 to +85 ℃ Junction Temperature (Note 2) +125 ℃ Storage Temperature Range -65 to 150 ℃ Lead Temperature (soldering, 10 sec.) +300 ℃ Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: TJ is calculated from the ambient temperature TA and power dissipation PD according to the following formula: TJ=TA+PD×θJA ELECTRICAL CHARACTERISTICS (NOTE 3) (VIN=VRUN=3.6V, TA=25℃, Test circuit of Figure 1, Unless otherwise noted) Parameter Condition Min. Typ. Max. Unit Input Voltage Range 2.5 5.5 V Input DC Supply Current Active Mode Shutdown Mode VFB1=VFB2=0.5V, RUN=0V, VIN=4.2V 500 0.3 800 2 µA TA=+25℃, Channel 1 or 2 0.5880 0.6000 0.6120 V TA=0℃≤TA≤85℃, Channel 1 or 2 0.5865 0.6000 0.6135 V Regulated Feedback Voltage TA=-40℃≤TA≤85℃, Channel 1 or 2 0.5850 0.6000 0.6150 V Feedback Pin Input Current VFB=0.65V ± 30 nA Reference Voltage Line Regulation VIN=2.5V to 5.5V 0.11 0.40 %/V Output Voltage Line Regulation VIN=2.5V to 5.5V, VOUT=1.8V, IOUT=10mA 0.11 0.40 %/V Output Voltage Load Regulation VIN=3.6V, IOUT=0 to 600mA, 0.0015 %/mA Maximum Output Current VIN=3.0V 600 mA Oscillator Frequency VFB 1/2= 0.6V 1.2 1.5 1.8 MHz RDS(ON) of P-CH MOSFET ISW=300mA 0.35 0.45 Ω RDS(ON) of N-CH MOSFET ISW=-300mA 0.28 0.45 Ω Peak Inductor Current VIN=3V,VFB1=VFB2=0.5V, Duty cycle<35% 1.2 A SW Leakage VRUN=0V, VSW=0V or 5V, VIN=5V ± 0.01 ± 1 µA RUN Threshold -40℃≤TA≤85℃ 0.3 0.45 1.50 V RUN Leakage Current ± 0.1 ± 1 µA VFBX Ramping Up 8.5 % VFBX Ramping Down, -8.5 % Power-On Reset Delay 175 mS Power-On Reset Threshold (POR) Power-On Reset On-Resistance 100 Ω Note 3: 100% production test at +25℃. Specifications over the temperature range are guaranteed by design and characterization. THERMAL RESISTANCE (NOTE 4) Package θJA (℃/W) θJC (℃/W) MSOP-10 (EXPOSE PAD) 45 10 DFN-10 (EXPOSE PAD) 45 10 Note 4: Thermal Resistance is specified with approximately 1 square of 1 oz cooper. |
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