Epson S1F70000 manual 94

CHARACTERISTICS GRAPH

1000

Ta=25˚C VDD=5V

100
]Z
fosc[kH
	VDD=3V

10 VDD=2V

1

10	100	1000	10000
	Rosc[kΩ]

(1)Oscillation frequency vs. External resistance for oscillation

	200
		Ta=25˚C
				μF		fOSC=40kHz
		C1=C2=2.2
		C3=10μF
	150
]			fOSC=20kHz
μA[		fOSC=10kHz
OPR1	100
I
	50
	0
	0	1	2		3		4	5	6
					VDD[V]

(3) Step-up circuit current consumption vs. Input

voltage

S1F76640 Series

	30
	28
	26
	24
		VDD	=5V
fosc[kHz]	22
	20
	18
	16
	14

12VDD=2V VDD=3V

10

-40 -20 0 20 40 60 80 100

Ta[˚C]

(2) Oscillation frequency vs. Temperature

	20
						4 times step-up
	18
		3 times step-up
	16
	14
[V]VO	10		2 times step-up
	12
	8
	6
	4		Ta=25˚C
	2		VDD=5V
			C1 to C4=10μF
	0
	0		10		20		30
				IO[mA]

(4) Output voltage (VO) vs. Output current 1

S1F76640 Series

S1F70000 Series Technical Manual

EPSON 2–51