BA9700 ROHM Electronics, BA9700 Datasheet - Page 5

• Manufacturer Part Number: BA9700
• Description: Switching Regulator for DC / DC Converters
• Manufacturer: ROHM Electronics

Regulator ICs
! ! ! ! Basic application board patterns and component arrangemrnts
Fig.6 Inverting converter (BA9700A)
Fig.7 Step-up converter (BA9700A)
Fig.5 Step-down converter
BA9700A / BA9700AF / BA9700AFV
GND
GND
V
GND
V
IN
V
IN
IN
C
SW
C
2
2
+
C
2
+
+
BA9700A
BA9700A
BA9700A
SW
BA9700A - 1
Q
Q
1
B
C
E
D
B
C
E
C
1
7
R
Q
3
1
R
B
C
E
8
L
L
BA9700A - 2
Q
2
R
B
C
E
8
L
D
R
+
1
( ) ( )
6
R
R
R
+
C
+
+
2
1
+
1
5
+
R
+
R
5
C
C
1
5
4
C
6
C
C
+
5
6
GND
V
OUT
V
GND
V
GND
OUT
OUT