R1210N221A RICOH [RICOH electronics devices division], R1210N221A Datasheet - Page 3

• Manufacturer Part Number: R1210N221A
• Description: PWM Step-up DC/DC Converter
• Manufacturer: RICOH [RICOH electronics devices division]

• Power source for battery-powered equipment.
• Power source for portable communication appliances, cameras, VCRs
• Power source for appliances of which require higher voltage than battery voltage.
ICs can be selected at the user’s request.
In the R1210N Series, the output voltage, the oscillator frequency, the optional function, and the taping type for the
The selection can be made by designating the part number as shown below ;
a
b
c
R1210N××1×-××
↑ ↑ ↑
a b c
Setting Output Voltage (V
Stepwise setting with a step of 0.1V in the range of 2.2V to 6.0V (for ××1C/D version) or
2.2V to 3.5V (for ××1A version) is possible.
Designation of Oscillator Frequency
A : 100kHz with a Frequency Change-over circuit
C : 100kHz without a Frequency Change-over circuit
D : 180kHz without a Frequency Change-over circuit
Designation of Taping Type; Ex. :TR, TL (refer to Taping Specification)
“TR” is prescribed as a standard.
OUT
) :