HA16120FP HITACHI [Hitachi Semiconductor], HA16120FP Datasheet - Page 36

• Manufacturer Part Number: HA16120FP
• Description: Switching Regulator for Chopper Type DC/DC Converter
• Manufacturer: HITACHI [Hitachi Semiconductor]

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
36
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