Fujitsu MB39A105 manual Typical Characteristics, Error

MB39A105

■TYPICAL CHARACTERISTICS

Power Supply Current vs. Power Supply Voltage

	5
(mA)						Ta = +25 °C
	4					RT = 7.5 kΩ
ICC
current	3
supply	2
	1
Power
	0
		2	4	6	8		10
	0

Power supply voltage VCC (V)

			Error Amplifier Threshold Voltage vs.
			Power Supply Voltage
		1.0
ThresholdAmplifier		0.9				Ta = +25 °C
	Voltage(V)VTH					VCC	= 3.3 V
		0.8
		0.7
		0.6
		0.5
		0.4
		0.3
Error		0.2
		0.1
		0.0
		0	2	4	6	8	10
			Power supply voltage VCC (V)
		Error Amplifier Threshold Voltage vs.
			Ambient Temperature

Power Supply Current vs. RT Terminal Current

(mA)	5.0
	4.5						Ta = +25	°C
							VCC = 3.3 V
	4.0
ICC
	3.5
current
	3.0
supply	2.5
	2.0
					ICC
	1.5
Power	1.0
	0.5
	0.0
	0	10	20	30		40		50

RT terminal current IRT (∝A)

Triangular Wave Oscillation Frequency vs.

Power supply voltage

	0.52								TriangularWave Oscillation	600
ErrorAmplifier Threshold						VCC = 3.3 V
						RT = 7.5 kΩ
	0.51									550
	0.50									500
	0.49									450
	Voltage(V)THV									Frequency(kHz)OSCf
	0.48−40	−20	0	20	40	60	80	100		400

Ambient temperature Ta (°C)

					Ta = +25 °C
					RT = 7.5 kΩ
1	2	3	4	5	6	7

Power supply voltage VCC (V)

(Continued)

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