Epson S1F70000 manual 62

S1F76540 Series

Figure 2.3 Potential relationship

	System				S1F76540			VDD
VCC
(+5 V)		5 V						(0 V)
GND								VI
								(–5 V)
(0 V)
				10 V
								–10 V
			Two-time
			boosting			15 V
								–15 V
					Three-time
					boosting		20 V

–20 V

Four-time boosting

ELECTRICAL CHARACTERISTICS

Table 2.3 DC characteristics (1)		Ta = –30°C to +85°C, VDD = 0 V, VI = –5.0 V
				unless otherwise noted
Parameter	Symbol	Characteristics	Min.	Typ.	Max.	Unit
		N = Boost time if CT0 is selected	–22/N		–2.4	V
Input power voltage	VI	N = Boost time if CT1 is selected	–22/N		–2.4	V
		N = Boost time if CT2 is selected	–22/N		–2.4	V
		N = Boost time if CT3 is selected	–22/N		–2.4	V
Boost start input power	VSTA	N = Boost time, FC = VDD during	–22/N		–2.4	V
voltage		no loading
Boost output voltage	VO		–22			V
Regulator input voltage	VRI		–22		–2.4	V
Regulator output voltage	VREG	IREG = 0, VRI = –22 V			–2.4	V
		RRV = 1MΩ

S1F76540 Series

S1F70000 Series Technical Manual

EPSON 2–19