R1211X Datasheet, PDF (3/33 Pages) RICOH electronics devices division – Step-up DC/DC Controller

s SELECTION GUIDE
In the R1211X Series, the oscillator frequency, the optional function, and the package type for the ICs can be
selected at the user’s request.
The selection can be made with designating the part number as shown below;
R1211X002X-TR
Code
a
b
↑↑
ab
Contents
Designation of Package Type:
D: SON-6
N: SOT23-6W
Designation of Optional Function
A : 700kHz, with AMPOUT pin (External Phase Compensation Type)
B : 700 kHz, with CE pin (Internal Phase Compensation Type, with Stand-by)
C : 300kHz, with AMPOUT pin (External Phase Compensation Type)
D : 300kHz, with CE pin (Internal Phase Compensation Type, with Stand-by)
s PIN CONFIGURATIONS
SON-6
SOT-23-6W
6
5
4
1
DELAY
AMPOUT/CE
6
2
GND ^{(MARK SIDE)}
VFB
5
3
EXT
VIN
4
EXT
GND
VIN
(MARK SIDE)
DELAY AMPOUT/CE
VFB
1
2
3
Rev. 1.10
-3-