Epson SCI 7654 Series Technical Manual page 11

SCI7661 Series
0.30
Ta = 25 C
0.25
0.20
0.15
0.10
0.05
0.00
0 5
Regulator voltage vs. Output current
Temperature Gradient Control
The SCI7661C offers a choice of three temperature
0B
gradients which can be used to adjust the voltage regu-
lator output in applications such as power supplies for
driving LCDs.
POFF TC2
See note 1.
1 (V ) LOW (V
DD
1 LOW
1 HIGH (V
1 HIGH
0 (V ) LOW
1
0 LOW
0 HIGH
0 HIGH
Notes
1. The definition of LOW for POFF differs from that for TC1 and TC2.
2. The temperature gradient affects the voltage between V
2–10
10 15 20
I [mA]
O
TC1
) LOW (V )
O O
HIGH (V )
DD
) LOW
DD
HIGH
LOW
HIGH
LOW
HIGH
50
V = –5V
O
V = –10V
O
V = –15V
O
0
–50
–40 –20
Regulator output stability ratio vs.
Temperature
Voltage
gradient
regulator
(%/˚C)
output
See note 2.
–0.4
–0.1
–0.6
–0.6
OFF
–
(high impedance)
OFF
–
(high impedance)
OFF
–
(high impedance)
OFF
–
(high impedance)
and V .
DD REG
EPSON
0 20 40
Ta [ C]
Ambient temperature
RC osciliator
ON
ON
ON
ON
ON
ON
ON OFF
OFF
OFF
OFF
OFF
CT0
CT1
CT2
60 80 100
Remarks
Serial connection
Multiplier
operational
SCI7000 Series
Technical Manual