HA16114 Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

HA16114

Switching Regulator for Chopper Type DC/DC Converter

Renesas Electronics 

HA16116FP/FPJ, HA16121FP/FPJ

Application Examples (2) (Some Pointers on Use)

1. Inductor, Power MOS FET, and Diode Connections

1. Booster specification

VIN

CF

VIN

RF

CL

OUT

GND

RCS Applicable only

to channel 2

of HA16121FP

VO

FB

2. Step-down specification

VIN

VIN

CF

RF

RCS

CL

OUT

Applicable to

HA16116FP and

to channel 1

of HA16121FP

VO

GND

FB

3. Inverting specification

4. Negative booster specification (Flyback transformer)

VIN

CF

RF

RCS Applicable only

to channel 1

CL

OUT

VO

GND

FB

Vref

VIN

CF

RF

RCS Applicable only

to channel 1

CL

OUT

GND

FB

2. Turning Output On and Off while the IC is On

1. To turn only one channel off, ground the DB pin

or the E/O pin. In the case of E/O, however,

there will be no soft start when the output is

turned back on.

DB

E/O

OFF

2. When only one channel is to be used,

the channel not used should be connected

as follows.

Connect CL to VIN.

Ground IN(+) and IN(−).

Leave other pins open.

VIN CL

IN +

IN −

GND

Rev.2.0, Sep.18.2003, page 31 of 33

Share Link: