理光的3A 電流 DC/DC降壓IC:R1242N附資料
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Operating Voltage 5V ~ 30V ?
Internal Nch MOSFET Driver (Ron=100mΩTyp.)
External Nch MOSFET drive buffer for Synchronous operation
Adjustable output voltage with external resistor (0.8V ~ 15V)
Feed back voltage 0.8V with 1% accuracy
Peak Current limit function(4.5A typ.)
UVLO function
Adjustable Operating Frequency 330kHz to 1MHz ( 1/4 at fold condition :Ver.B)
Short protection function for internal boost regulator
Short protection for output ( Latch with 2ms delay : Ver.A or Fold Back :Ver.B)
Ceramic Capacitor compatible
Stand-by function :0uA(Typ.)
HSOP8N Package
Internal Nch MOSFET Driver (Ron=100mΩTyp.)
External Nch MOSFET drive buffer for Synchronous operation
Adjustable output voltage with external resistor (0.8V ~ 15V)
Feed back voltage 0.8V with 1% accuracy
Peak Current limit function(4.5A typ.)
UVLO function
Adjustable Operating Frequency 330kHz to 1MHz ( 1/4 at fold condition :Ver.B)
Short protection function for internal boost regulator
Short protection for output ( Latch with 2ms delay : Ver.A or Fold Back :Ver.B)
Ceramic Capacitor compatible
Stand-by function :0uA(Typ.)
HSOP8N Package
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