ha16116fpj Renesas Electronics Corporation., ha16116fpj Datasheet - Page 31

• Manufacturer Part Number: ha16116fpj
• Description: Switching Regulator For Chopper Type Dc/dc Converter
• Manufacturer: Renesas Electronics Corporation.

HA16116FP/FPJ, HA16121FP/FPJ
Application Examples (2) (Some Pointers on Use)
1. Inductor, Power MOS FET, and Diode Connections
2. Turning Output On and Off while the IC is On
Rev.2.0, Sep.18.2003, page 31 of 33
1. Booster specification
3. Inverting specification
1.
V
IN
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.
GND
GND
V
V
IN
IN
OUT
OUT
C
C
L
L
C
C
F
F
E/O
DB
R
R
F
F
R
R
OFF
CS
CS
FB
FB
Applicable only
to channel 2
of HA16121FP
Applicable only
to channel 1
Vref
V
V
O
O
2. Step-down specification
4. Negative booster specification (Flyback transformer)
2.
V
IN
When only one channel is to be used,
the channel not used should be connected
as follows.
Connect C
Ground IN(+) and IN( ).
Leave other pins open.
GND
GND
V
V
IN
IN
OUT
OUT
C
C
L
L
L
C
C
to V
F
F
IN
R
R
.
F
F
R
R
CS
CS
FB
FB
GND
V
Applicable to
HA16116FP and
to channel 1
of HA16121FP
Applicable only
to channel 1
IN
IN
IN
C
+
L
V
O