Pin Descriptions - Epson Power Supply IC S1F70000 Technical Manual

PIN DESCRIPTIONS

Pin No. Pin name
1 RV Stabilization voltage regulation pin.
When the intermediate tap of the external volume (3-pin resistor)
connected between the V
RV pin, V
2 V Stabilized voltage output pin
REG
3 TC1 Temperature gradient selection pin
4 TC2 Temperature gradient selection pin
5 P V
OFF REG
When control signal from the system side is input to this pin, the power
off (V
6 GND Power supply pin (minus side, system GND)
7 OSC1 Oscillation resistor connection pin.
This pin becomes the clock input pin when an external clock operates.
8 OSC2 Oscillation resistor connection pin.
This pin is released when an external clock operates.
9 V Power supply pin (plus side, system V
DD
10 CAP1– Pump up capacitor minus side connection pin for 2 times step-up.
Next stage clock at series connection time.
11 CAP1+ Pump up capacitor plus side connection pin for 2 times step-up
12 CAP2– Pump up capacitor minus side connection pin for 3 times step-up.
Output pin at 2 time step-up time (to be short-circuited to V
13 CAP2+ Pump up capacitor plus side connection pin for 3 times step-up
14 CAP3+ Pump up capacitor plus side connection pin for 4 times step-up.
Output pin at 3 times step-up time (to be short-circuited to V
15 V Output pin at 3 times step-up time
O
16 V Stabilization circuit input pin
RI
S1F70000 Series
Technical Manual
Description
pin and the V
DD
output voltage can be adjusted.
REG
output ON/OFF control pin.
output power off) control of S1F76640 becomes available.
REG
EPSON
S1F76640 Series
pin is connected to the
REG
)
CC
).
O
).
O
2–41