Skip to main content Skip to first level navigation

RICOH imagine. change.

RICOH ELECTRONIC DEVICES CO., LTD.

Skip to main content First level navigation Menu
Breadcrumbs
Main content

Step-up and Charge Pump DCDC Converters (For LCDs/OLEDs/CCDs)

Product Name Control Input Voltage Range [V] Output Voltage Range [V] Switching Frequency [kHz] Lx Current Limit [A]*1 Other Features Package Datasheet
R1293 PWM, Step-up 2.2 to 5.5 Up to 16,
Ext.adjustable
300 to 1000,
Ext.adjustable
3 DCDC output with noise reduction function.
VCOM amplifier 1 channel,
GAMMA amplifier 6 channel.
ThermalUVLO
Soft-Start: Ext.adjustable
Phase: Ext.
Maxduty: Ext.adjustable
QFN(PLP)0404-32 Consumer
LDO 1.8 to 2.5 IOUT=
350mA
Amplifier 5.0 to 16.0 - -
R1290 PWM, Step-up 2.0 to 5.5,
2.5 to 5.5,
3.3 to 5.5
Up to 20,
Ext.adjustable
180 to 1400,
Ext.adjustable
2 The charge pump operates at 1/4th operating frequency.
Soft-Start: Ext.adjustable
SequencingUVLO
Phase: Ext.
Maxduty: Ext.adjustable
QFN0404-24 Consumer
Charge pump,
Positive
Ext.adjustable -
Charge pump,
Negative
Ext.adjustable -
R1294 PWM, Step-up 2.0 to 5.5,
2.5 to 5.5,
3.3 to 5.5
Up to 20,
Ext.adjustable
210 to 1400,
Ext.adjustable
(800 ±8%)
2 The charge pump operates at 1/4th operating frequency.
Soft-Start: Ext.adjustable
SequencingUVLO
Phase: Ext.
Maxduty: Ext.adjustable
QFN0404-24B Consumer
Charge pump,
Positive
Ext.adjustable -
Charge pump,
Negative
Ext.adjustable -
  • *1Lx current limit is different from output current.

Inquiry about products

Technical Support

Inquiries (SSL Form)

Inquiry about business

Purchase, Request for Samples and Documents

Distributors

Sample Online

Online Distributors