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Step-up DC/DC Converter Lineup

* For technical terms on the list, please refer to "Application Note".
Thermal :Thermal shutdown circuit　Dischage :Auto-Discharge function　Shutdown :Shutdown function　Sequence :Power on sequence controllable

Step-up DC/DC Converter
Step-up for LCD, CCD
Step-up for OLED drivers/General Use
Step-up for White LED

Step-up DC/DC Converter

Product Name	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy ^*1	Frequency	Output Tr.	Lx limit Current ^*2	UVLO	Soft Start	Protaction Curcuit	Features,	Package	Data Sheet
RN5RK	VFM	0.9V to 8.0V	2.0V to 5.5V	±2.5%	MAX. 100kHz	Int.(xx1)	-	-	-	-		SOT-23-5
RN5RK	VFM	0.9V to 8.0V	2.0V to 5.5V	±2.5%	MAX. 100kHz	Ext.(xx2)	-	-	-	-		SOT-23-5
R1210Nxx1	PWM	0.9V to 8.0V	2.2V to 6.0V	±2.5%	100kHz	Int.(xx1)	-	-	△^*3	-	Basic frequency change-over circuit(A) (Output Voltage Range 2.2V to 3.5V)	SOT-23-5
R1210Nxx2	PWM	0.9V to 8.0V	2.2V to 6.0V	±2.5%	180kHz	Ext.(xx2)	-	-	△^*3	-		SOT-23-5
R1213K	PWM	2.3V to 5.5V	Ext. adjustable	±1%	1MHz	Int.	3A	-	○ (Ext. adjustable)	Latch type	The complete shutdown switch control pin (FLAG pin) for external Pch-MOSFET is built in. Soft-start time can be set by SS pin.Thermal	DFN(PLP)2730-12
RP400xxx1A	PWM/VFM Auto change	0.8V to 5.5V	1.8V to 5.0V Ext. adjustable	±2% ±12mV	700kHz	Int.	580mA to 980mA^*4	-		-	Anti-Ringing Switch	DFN(PLP)1820-6 SOT-23-5
RP400xxx1B		0.7V to 5.5V
RP400xxx1C		1.2V to 5.5V
RP401x	PWM, PWM/VFM Auto change	0.6V to 5.5V	1.8V to 5.5V	±2%	1.2MHz	Int.	1A	-		Latch type （A）	PWM⇔PWM/VFM control by MODE Pin.(A/B Ver.)	DFN(PLP)1820-6 SOT-23-5
RP401x	PWM, PWM/VFM Auto change	0.6V to 5.5V	Ext. adjustable	±12mV	1.2MHz	Int.	1A	-		Latch type （A）	PWM⇔PWM/VFM control by MODE Pin.(A/B Ver.)	DFN(PLP)1820-6 SOT-23-5
Product Name	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy ^*1	Frequency	Output Tr.	Lx limit Current ^*2	UVLO	Soft Start	Protaction Curcuit	Features,	Package	Data Sheet

*1 When the output voltage is adjusted by output resistors, the value means the feedback voltage accuracy.　*2 LX limited current is different from output current.
*3 A function used to detect sudden peaks in output voltage and to reduce overshoot/undershoot. *4 Will change according to the duty cyc

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Step-up for LCD, CCD

Product Name	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy^*1	Frequency	Output Tr.	Lx limit Current ^*2	Soft Start	Protaction Curcuit	Features	Package
R1211x	PWM	2.5V to 6.0V	Ext. adjustable	±1.5%	300kHz	Ext.	-		Latch type	Ext. phase comp.(A/C) Int. Phase comp with Stand-by(B/D)	SON-6 SOT-23-6W
R1211x	PWM	2.5V to 6.0V	Ext. adjustable	±1.5%	700kHz	Ext.	-		Latch type	Ext. phase comp.(A/C) Int. Phase comp with Stand-by(B/D)	SON-6 SOT-23-6W
R1212D	PWM	2.2V to 5.5V	Ext. adjustable	±1.5%	300kHz	Ext.	-	（Ext. adjustable）	Latch type	Ext. phase comp. Maxduty Ext. adjustable	SON-8
					700kHz
					1.4MHz
R1215D	PWM	1.8V to 5.5V	Ext. adjustable	±1.5%	700kHz	Ext.	-	（Ext. adjustable）	Latch type	Ext. phase comp. Maxduty Ext. adjustable	SON-8
R1215D	PWM	1.8V to 5.5V	Ext. adjustable	±1.5%	1.4MHz	Ext.	-	（Ext. adjustable）	Latch type	Ext. phase comp. Maxduty Ext. adjustable	SON-8

*1 When the output voltage is adjusted by output resistors, the value means the feedback voltage accuracy.　*2 LX limited current is different from output current.

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Step-up for OLED drivers/General Use

Product Name	Part Number	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy^*1	V_FBVoltage	Frequency	Output Tr.	Lx limit Current ^*2	OVP Voltage （TYP.）	Features	Package
R1200x	001x	PWM	2.3V to 5.5V	Ext. adjustable (to 20V)	±1.5%	1.0V	1.2MHz	Int.	700mA	17.0V	Built-in NPN Tr. Shutdown Dischage	WLCSP-6-P1 DFN1616-6 DFN(PLP)1820-6 SOT-23-6
	002x									19.0V
	003x									21.0V
R1202x	3xxA/B	PWM	2.3V to 5.5V	Ext. adjustable (to 22V)	±1.5%	1.0V	1.2MHz	Int.	350mA	14.0V	Built-in NPN Tr. Shutdown Dischage Thermal	DFN1616-6B TSOT-23-6
	4xxA/B									17.0V
	5xxA/B									19.0V
	6xxA/B								700mA	21.0V
	7xxA/B								700mA	23.0V
R1205x	8xxA	PWM	2.3V to 5.5V	Ext. adjustable (to 24.2V)	±1.5%	1.0V	1.2MHz	Int.	350mA	25V	Built-in diode. Thermal	DFN1616-6B TSOT-23-6
R1205x	8xxA	PWM	2.3V to 5.5V	Ext. adjustable (to 24.2V)	±1.5%	1.0V	1.2MHz	Int.	700mA	25V	Built-in diode. Thermal	DFN1616-6B TSOT-23-6

*1 When the output voltage is adjusted by output resistors, the value means the feedback voltage accuracy.　*2 LX limited current is different from output current.

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Step-up for White LED

Product Name	Part Number	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy^*1	V_FBVoltage	Frequency	Output Tr.	Lx limit Current ^*2	UVLO	Soft Start	OVP Voltage （TYP.）	Features	Package	Data Sheet
R1201x	021/023	PWM	1.8V to 5.5V 1.8V to 4.5V^*A	Ext. adjustable (to 20V) (to 21V)^*A	±10mV	0.2V	1.2MHz （xx1/xx2） 1MHz （xx3/xx4）	Int.	700mA			9.5V	Up to 5 lights, Built-in diode High speed dimming control *A) R1201x052/054	DFN1616-6 SOT-23-6
	031/033											14.0V
	041/043											18.5V
	051/053											20.6V
	052/054											21.6V^*A
R1202x	3xxD	PWM	1.8V to 5.5V	Ext. adjustable (to 22V)	±10mV	0.2V	1.2MHz	Int.	350mA			14.0V	Up to 5 lights, Built-in NPN Tr. High speed dimming control Thermal Shutdown	DFN1616-6B TSOT-23-6
R1202x	7xxD	PWM	1.8V to 5.5V	Ext. adjustable (to 22V)	±10mV	0.2V	1.2MHz	Int.	700mA			23.0V		DFN1616-6B TSOT-23-6
R1203x	071B	PWM	1.8V to 5.5V	Ext. adjustable (to 28.7V)	±10mV	0.2V	1.2MHz	Int.	700mA			29.5V	For 7 lights, Ext. diode High speed dimming control	DFN1616-6B SOT-23-6
R1205x	8xxB	PWM	1.8V to 5.5V	Ext. adjustable (to 24.2V)	±10mV	0.2V	1.2MHz	Int.	350mA			25V	Up to 6 lights, Built-in diode High speed dimming control Thermal	DFN1616-6B TSOT-23-6
R1205x	8xxB	PWM	1.8V to 5.5V	Ext. adjustable (to 24.2V)	±10mV	0.2V	1.2MHz	Int.	700mA			25V		DFN1616-6B TSOT-23-6
R1218x	021A	PWM	1.8V to 5.5V	Ext. adjustable Built-in diode （to 17V）	±10mV	0.2V	1.2MHz	Int.	700mA			9.5V	Built-in diode (2 to 4 lights)	DFN(PLP)1820-6 SOT-23-6
	031A											14.0V
	041A											18.5V
	052A			Ext. adjustable Ext. diode （to 30V）								23.0V	Ext. diode (5 to 7 lights)
	062A											27.5V
	072A											31.5V
Product Name	Part Number	Control	Input Voltage Range	Output Voltage Range	Voltage Accuracy^*1	V_FBVoltage	Frequency	Output Tr.	Lx limit Current ^*2	UVLO	Soft Start	OVP Voltage （TYP.）	Features	Package	Data Sheet

*1 When the output voltage is adjusted by output resistors, the value means the feedback voltage accuracy.　*2 LX limited current is different from output current.

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