R1242S001C-FE

R1242S001C-FE
R1242S001C-FE R1242S001C-FE R1242S001C-FE R1242S001C-FE
Brand: Ricoh
Product Code: R1242S001x-FE
Availability: 770
Price: US$3.08

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R1242S Series (30V Input 3A Buck DC/DC Converter)

  • Internal Nch MOSFET Driver (Ron=100mΩTyp.)
  • External Nch MOSFET Drive Buffer for Synchronous Operation
  • UVLO Function
  • Short Protection Function for Internal Boost Regulator
  • Ceramic Capacitor Compatible
Datasheet
Flyer
Design Guide
Operating Voltage 5V ~ 30V
Supply Current Typ. 0.8mA (Set Vout=1.0V @Vin=30V)
Adjustable Output Voltage with External Resistor 0.8V ~ 15V
Feed Back Voltage 0.8V with 1.5% accuracy
Output Current 3A
Peak Current Limit Function Typ. 4.5A
Internal Soft Start Time Typ. 0.5ms
Maximum Duty Cycle Typ. 88%
UVLO Detector Threshold Typ. 3.6V
Thermal Shutdown Function Typ. 160°C, with 30°C hysteresis
Operating Frequency Version A/B adjustable from 330kHz to 1MHz
Version C/D 330kHz
Version E/F 500kHz
Version G/H 1000kHz
Built-in Foldback Protection and its frequency 1/4 at fold condition: Ver.B
83kHz: Ver.D
125kHz: Ver.F
250kHz: Ver.H
Short Protection delay time for Output Latch Typ. 5ms : Ver.A/C/E/G
Stand-by Function 0μA (Typ.), Max. 20μA (@Vin=30V, CE="L")
Package HSOP-8E
Ordering Format R1242S001x-FE
Delivery Time
Lead-Time In stock: ~3 weeks, Factory LT: 10 weeks
Item Characteristics
Version 001A/C/E/G
Control PWM
Frequency 330kHz (C/D)
Input Voltage 5.0V to 30.0V
Output Current 3A
Output Voltage Ext. adjustable between 0.8V to 15.0V
Vfb Voltage Accuracy ± 12mV
Type Latch, Synchronous Rectifier (w/ ext. low side transistor)
Package HSOP-8E
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