Fujitsu MB3878 manual Typical Characteristics

MB3878

■TYPICAL CHARACTERISTICS

Power supply current vs. power supply voltage Reference voltage vs. power supply voltage

		12						10
						Ta = +25 °C	(V)
Power supply current		10				CTL = 5 V		8
							Reference voltage VREF
		8
	ICC (mA)							6
		6
		4						4
		2						2
		0						0
		0	5	10	15	20	25

				Ta = +25 °C
				CTL =	5 V
				VREF	= 0 mA
0	5	10	15	20	25

Power supply voltage VCC (V)	Power supply voltage VCC (V)
Reference voltage vs. VREF load current	Reference voltage vs. ambient temperature

Reference voltage VREF (V)

10

8

6

4

2

0

Ta = +25 °C

VCC = 19 V

CTL = 5 V

0 5 10 15 20 25 30

)	2.0					VCC = 19 V
(%
	1.5					CTL = 5 V
VREF	1.0					VREF = 0 mA
Δ	0.5
voltage
	0.0
	−0.5
Reference
	−1.0
	−1.5
	−2.0
		−20
	−40		0	20	40	60	80	100

Reference voltage VREF (V)

VREF load current IREF (mA)

Reference voltage vs. CTL pin voltage

10
	Ta =	+25 °C
	VCC = 19 V
8	VREF = 0 mA
6
4

2

0

0 0.5 1 1.5 2 2.5

CTL pin voltage VCTL (V)

CTL pin current ICTL (mA)

Ambient temperature Ta ( °C)

CTL pin current vs. CTL pin voltage

1.0

Ta = +25 °C

VCC = 19 V

0.8

0.6

0.4

0.2

0.0

0 5 10 15 20 25

CTL pin voltage VCTL (V)

(Continued)

9