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Step-up DCDC Converters (For white LEDs/PMOLEDs and General use)

Diode Product Name Control Input Voltage Range [V] Output Voltage Range [V] VFB Voltage [mV] Switching Frequency [kHz] Lx Current Limit [mA]*1 OVP Voltage [V] Other Features Package Datasheet
Int. R1200 PWM 2.3 to 5.5 Up to 20,
Ext.adjustable
1.0V±15 1200 700 17,
19,
21
UVLOSoft-StartShutdown Discharge DFN1616-6
DFN(PLP)1820-6
SOT-23-6
Consumer
Design guide
Int. R1201 PWM 1.8 to 5.5 Up to 20,
Ext.adjustable
0.2V±10 1000,
1200
700 9.5,
14,
18.5,
20.6
UVLOSoft-StartLED Adjust SOT-23-6 Consumer
Design guide
1.8 to 4.5 Up to 21,
Ext.adjustable
21.6
Int. R1202 PWM 1.8 to 5.5 Up to 22.2,
Ext.adjustable
0.2V±10 1200 350,
700
14,
23
UVLOSoft-StartThermalShutdownLED AdjustDischarge DFN1616-6B
TSOT-23-6
Consumer
Design guide
2.3 to 5.5 1.0V±15 14,
17,
19,
21,
23
Int. R1205 PWM 1.8 to 5.5 Up to 24.2,
Ext.adjustable
0.2V±10,
0.4V±10
1200 350,
700
25 UVLOSoft-StartThermalLED Adjust DFN1616-6B
TSOT-23-6*2
Consumer
Design guide
2.3 to 5.5 1.0V±15
Int. R1207 PWM 1.8 to 5.5 Up to 24.2,
Ext.adjustable
0.2V±10,
0.4V±10
1200 350,
700
25 UVLOSoft-StartThermalLED Adjust TSOT-23-6*2 Consumer
Design guide
2.3 to 5.5 1.0V±15
Int. R1218 PWM 1.8 to 5.5 Up to 17,
Ext.adjustable
0.2V±10 1200 700 9.5,
14,
18.5
UVLOSoft-Start SOT-23-6 Consumer
Ext. R1203 PWM 1.8 to 5.5 Up to 28.7,
Ext.adjustable
0.2V±10 1200 700 29.5 UVLOSoft-StartLED Adjust DFN1616-6B
SOT-23-6*2
Consumer
Design guide
Ext. R1206 PWM 1.8 to 5.5 Up to 28.7,
Ext.adjustable
0.2V±10 1200 700 29.5 UVLOSoft-StartLED Adjust SOT-23-6*2 Consumer
Ext. R1204 PWM,
PWM/VFM Auto Switching
2.3 to 5.5 Up to 40.2,
Ext.adjustable
0.2V±10,
0.4V±10,
1.0V±15
1000,
750
900 23,
33,
42
UVLOSoft-StartThermalLED Adjust DFN(PLP)1820-6
TSOT-23-6
Consumer
Design guide
Ext. R1218 PWM 1.8 to 5.5 Up to 30,
Ext.adjustable
0.2V±10 1200 700 23,
27.5,
31.5
UVLOSoft-Start SOT-23-6 Consumer
  • *1Lx current limit is different from output current.
  • *2The pin-layout of R1205N and that of R1207N are different by 180 degrees. Also, the pin-layout of R1203N and that of R1206N are different by 180 degrees.

For 2 or 4 Strings of White LEDs

Diode Product Name Control Input Voltage Range [V] Output Voltage Range [V] LED Current Max.[mA] LED Current Accuracy Switching Frequency [kHz] Lx Current Limit [A]*1 OVP Voltage [V] Other Features Package Datasheet
Ext. R1214 PWM,
PWM/VFM Auto Switching
2.7 to 5.5 Up to 29,
Ext.adjustable
40 x2 ±2%,
±1.5%
450,
750
1.9 35 UVLOSoft-StartThermalLED Adjust
2 strings
WLCSP-9-P1 Consumer
Design guide
Ext. R1208 PWM 2.7 to 22.0 Up to 42,
Ext.adjustable
80 x4 ±3% 450,
750
2 23,
33,
43.5
UVLOSoft-StartThermalLED Adjust
4 strings
DFN(PLP)2730-12 Consumer
Design guide
  • *1Lx current limit is different from output current.

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