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R1230D251D Datasheet(PDF) 4 Page - RICOH electronics devices division |
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R1230D251D Datasheet(HTML) 4 Page - RICOH electronics devices division |
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4 / 20 page  Rev. 1.12 - 4 - s PIN DESCRIPTION Pin No. Symbol Description 1VIN Voltage Supply Pin 2 PGND Ground Pin 3VDD Voltage Supply Pin 4 CE Chip Enable Pin (active with “H”) 5VOUT/VFB Output/Feedback Pin 6 MODE Mode changer Pin (PWM mode at “L”, VFM mode at “H”.) 7 AGND Ground Pin 8Lx Lx Pin s s s s ABSOLUTE MAXIMUM RATINGS (AGND=PGND=0V) Symbol Item Rating Unit VIN VIN Supply Voltage 6.5 V VDD VDD Pin Voltage 6.5 V VLX Lx Pin Voltage -0.3 ∼VIN+0.3 V VCE CE Pin Input Voltage -0.3 ∼VIN+0.3 V VMODE MODE Pin Input Voltage -0.3 ∼VIN+0.3 V VFB VFB Pin Input Voltage -0.3 ∼VIN+0.3 V ILX LX Pin Output Current -0.8 A PD Power Dissipation 250 mW Topt Operating Temperature Range -40 ∼+85 °C Tstg Storage Temperature Range -55 ∼+125 °C |
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