HA16120 RENESAS [Renesas Technology Corp], HA16120 Datasheet - Page 9

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

HA16114P/PJ/FP/FPJ, HA16120FP/FPJ
2. DC/DC Output Voltage Setting and Error Amplifier Usage
2.1 DC/DC Output Voltage Setting
1. Positive Output Voltage (V
2. Negative Output Voltage (V
Rev.2.0, Sep.18.2003, page 9 of 37
IN( )
IN(+)
HA16114 with step-down topology
V
R
IN
Vref
2
+
GND
EA
R
1
C
L
OUT
O
O
> Vref)
V
Figure 2.1 Output Voltage Setting (1)
< 0 V)
Figure 2.2 Output Voltage Setting (2)
IN( )
IN(+)
O
HA16114 with inverting topology
= Vref
V
O
= Vref
+
R
V
IN
2
Vref
+
V
R
R
O
3
4
EA
R
R
1
R
+ R
R
1
C
2
1
L
R
+ R
OUT
2
HA16120 with step-down (boost) topology
2
IN( )
IN(+)
2
R
3
R
+ R
R
V
3
IN
2
Vref
+
4
GND
+
EA
R
1
1
C
L
OUT
+
V
O