R1211x

2

BLOCK DIAGRAMS

Version A/C

Version B/D

AMPOUT

EXT

GND

DELAY

OSC

UVLO

Latch

+

-

+

-

-

-

Vref

DTC

CE

EXT

GND

DTC

DELAY

OSC

UVLO

Latch

+

-

+

-

-

-

Chip

Enable

Vref

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;

↑

↑

a

b

Code

Contents

a

Designation of Package Type:

D: SON-6

N: SOT23-6W

b

Designation of Optional Function

A : 700kHz, with AMPOUT pin (External Phase Compensation Type)

B : 700kHz, 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)