S1F75510 Epson Electronics America, Inc., S1F75510 Datasheet - Page 13

• Manufacturer Part Number: S1F75510
• Description: Charge-pump Dc/dc Converter & Voltage Regulator
• Manufacturer: Epson Electronics America, Inc.

Rev. 1.1
Start-up sequence
Discharge circuit
The ON sequence when the S1F75510 starts up is described as follows.
The S1F75510 is equipped with a built-in circuit that discharges the positive power supply for source driver
(stabilized output) V
V
terminal is turned to the V
OUT4
• INPUT
• OUTPUT
to the V
POFFX
V
V
V
OUT2
OUT4
OUT3
V
DD
SS
0V
0V
0V
level. This discharge circuit starts discharging V
1 The S1F75510 is energized.
2 The operation start signal is input and the internal booster (V
3 The positive power supply for source driver (stabilized output) V
4 The negative power supply for gate driver V
5 The positive power supply for gate driver V
OUT2
, positive power supply for gate driver V
SS
1
level.
2
3 4
5
OUT3
OUT3
OUT4
OUT2
and negative power supply for gate driver
starts up.
starts up.
, V
OUT3
and V
OUT1
OUT2
OUT4
) starts up.
starts up.
S1F75510
when the POFFX
13