HA16120 RENESAS [Renesas Technology Corp], HA16120 Datasheet - Page 36

• Manufacturer Part Number: HA16120
• Description: Switching Regulator for Chopper Type DC/DC Converter
• Manufacturer: RENESAS [Renesas Technology Corp]

HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
Application Examples (4) (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 36 of 37
1. Step-up topology
3. Inverting topology
V
IN
GND
GND
V
V
IN
IN
OUT
OUT
CL
CL
C
C
F
F
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.
R
R
F
F
R
R
CS
CS
FB
FB
Applicable only
to HA16120
Applicable only
to HA16114
Vref
E/O
DB
V
V
O
O
2. Step-down topology
4. Step-down/step-up (buck-boost) topology
OFF
V
IN
GND
GND
V
V
IN
IN
OUT
OUT
CL
CL
C
C
F
F
R
R
F
F
R
R
CS
CS
FB
FB
Applicable only
to HA16114
Applicable only
to HA16114
V
O