R1202L721D

R1202L721D
R1202L721D R1202L721D R1202L721D R1202L721D
Brand: Ricoh
Product Code: R1202LxxxD
Availability: 2177
Price: US$1.24

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R1202x Series (Step-up DC/DC Converter with Shutdown Function)

Datasheet
Flyer
Design Guide
Input Voltage Range 2.3V to 5.5V (R1202xxxxA/B)
1.8V to 5.5V (R1202xxxxD)
Supply Current Typ. 800µA
Standby Current Max. 5µA
Feedback Voltage 1.0V±15mV (R1202xxxxA/B)
0.2V±10mV (R1202xxxxD)
Oscillator Frequency Typ. 1.2MHz
Maximum Duty Cycle Typ. 91%
UVLO Function Typ.2.0V (Hys.Typ.0.2V) (R1202xxxxA/B)
Typ.1.6V (Hys.Typ.0.1V) (R1202xxxxD)
Lx Current Limit Function 350mA, 700mA
Over Voltage Protectionn 14V-23V (Refer the Selection Guide)
LED dimming control for R1202xxxxD by external PWM signal (Frequency 200Hz to 300kHz)
Thermal Protection Function Typ.150ºC (Hys.Typ.50ºC)
Built-in Auto Discharge Function R1202xxxxA
NMOS ON Resistance 1.35Ω
Package DFN1616-6B
Ordering Format R1202LxxxD
Delivery Time
Lead-Time In stock: ~3 weeks, Factory LT: 10 weeks
Item Characteristics
Version 7xxD
Control PWM
Frequency 1.2MHz
Input Voltage 1.8V to 5.5V
Output Voltage Ext. adjustable (up to 22.2V)
Vfb Voltage 0.2V
Vfb Voltage Accuracy ± 10mV
Lx Current Limit 700mA
OVP Voltage 23V
Type Thermal Shutdown, Shutdown, High-speed Dimming functions
Package DFN1616-6B
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