R1218X Datasheet, PDF (3/14 Pages) RICOH electronics devices division – Step-up DC/DC converter for Whilte LED Backlight

R1218X
SELECTION GUIDE
The OVP threshold voltage and the package for the ICs can be selected at the user's request. The selection
can be available by designating the part number as shown below;
R1218xxxxx-xx ←Part Number
↑↑ ↑
ab c
Code
a
b
c
Descriptions
Designation of the package
N: SOT23-6
K: PLP1820-6
Designation of OVP threshold and with/without of built-in diode
021A: 9.5V with built-in diode
031A: 14.0V with built-in diode
041A: 18.5V with built-in diode
052A: 23.0V without built-in diode
062A: 27.5V without built-in diode
Taping type (SOT23-6: TR-F, PLP1820-6: TR)
PIN CONFIGURATIONS
z SOT23-6
6
5
4
VFB GND LX
• PLP1820-6
654
VOUT VIN GND
CE VOUT VIN
1
2
3
CE VFB LX
123
PIN DESCRIPTION
• SOT23-6
Pin No
1
2
3
4
5
6
Symbol
CE
VOUT
VIN
Lx
GND
VFB
Pin Description
Chip Enable Pin
Output Voltage
Power Supply Input Pin
Switching Pin (Open Drain Output)
Ground Pin
Feedback Pin
3