R1202L721A

Brand: Ricoh
Product Code: R1202LxxxA
Availability: 2196

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	R1202LxxxA

Delivery Time
Lead-Time	In stock: ~3 weeks, Factory LT: 10 weeks
Item Characteristics
Version	7xxA/B
Control	PWM
Frequency	1.2MHz
Input Voltage	1.8V to 5.5V
Output Voltage	Ext. adjustable (up to 22.2V)
Vfb Voltage	1.0V
Vfb Voltage Accuracy	± 15mV
Lx Current Limit	700mA
OVP Voltage	23V
Type	Thermal Shutdown, Shutdown, Auto-Discharge functions
Package	DFN1616-6B