S1F76600M1E Epson Electronics America, Inc., S1F76600M1E Datasheet - Page 18

• Manufacturer Part Number: S1F76600M1E
• Description: Dc-dc Converter
• Manufacturer: Epson Electronics America, Inc.

8. APPLIED CIRCUIT EXAMPLES
(5) Negative-voltage conversion + Positive-voltage conversion
shown in Fig.8.10, and outputs -10V and +3.8V from 5V input. In this case, the output impedance is higher
than that for negative voltage conversion only or positive voltage conversion only.
14
Combining the double boosting (Fig.8.1) with the positive voltage conversion (Fig.8.8) generates the circuit
Fig.8.12 Output voltage - Output current
-10
-5
0
V
V
0
DD
I
= -5V
=0V
T
a
=25 ° C
10
Fig.8.10 Negative-voltage conversion + Positive-voltage conversion
20
I
O
1 [mA]
Fig.8.11 Voltage relations at V
30
R
1MΩ
OSC
: The Schottky diode with a low VF value is
40
recommended for D1 and D2.
1
2
3
4
V
V
V
V
O2
DD
IN
O1
(-5V)
(+3.8V)
(-10V)
(0V)
50
8
7
6
5
EPSON
+
-
-
+
C2
10µF
C1
10µF
DD
Fig.8.13 Output voltage - Output current
5
4
3
2
1
0
= 0V and V
0
- +
- +
C4
10µF
C3
10
T
a
µ
=25 ° C
S1F76600M1E Technical Manual (Rev.1.2)
10
F
I
= -5V
20
I
O
V
D1
D2
1 [mA]
O2
=3.8V
30
40
V
O1
=-10V
A I
50
R
O
L