Fujitsu MB3878 manual Parameter Symbol Pin Conditions Value Unit Min Typ Max

MB3878

(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)

Parameter		Symbol	Pin	Conditions			Value		Unit
			No.			Min	Typ	Max
		VTH1	16	FB3 = 2 V, Ta = +25 °C		4.167	4.200	4.233	V
	Threshold voltage
		VTH2	16	FB3 = 2 V,		4.158	4.200	4.242	V
				Ta = −30 °C to +85 °C
	Input current	IINE3	16	−INE3 = 0 V		−100	−30		nA
	Voltage gain	AV	15	DC			100*		dB
	Frequency	BW	15	AV = 0 dB			2.0*		MHz
	bandwidth
Error amplifier
		VFBH	15			4.7	4.9		V
block	Output voltage
(Error Amp.3)		VFBL	15				20	200	mV
	Output source	ISOURCE	15	FB3 = 2 V			−2.0	−0.6	mA
	current
	Output sink current	ISINK	15	FB3 = 2 V		150	300		∝A
	OUTD pin output	ILEAK	11	OUTD = 16.8 V			0	1	∝A
	leak current
	OUTD pin output	RON	11	OUTD = 1 mA			70	100	Ω
	ON resistor
		I+INCH	13,	+INC1 = +INC2 = 12.7 V,			10	20	∝A
			24	−INC1 = −INC2 =	12.6 V
		I−INCH	1,	+INC1 = +INC2 = 12.7 V,			0.1	0.2	∝A
			12	−INC1 = −INC2 =	12.6 V
	Input current
		I+INCL	13,	+INC1 = +INC2 = 0.1 V,		−130	−65		∝A
			24	−INC1 = −INC2 =	0 V
		I−INCL	1,	+INC1 = +INC2 = 0.1 V,		−140	−70		∝A
			12	−INC1 = −INC2 =	0 V
		VOUTC1	2,	+INC1 = +INC2 = 12.7 V,		2.25	2.5	2.75	V
			10	−INC1 = −INC2 =	12.6 V
Current
		VOUTC2	2,	+INC1 = +INC2 = 12.63 V,		0.50	0.75	1.00	V
detection
	Current detection		10	−INC1 = −INC2 =	12.6 V
amplifier block	voltage
		VOUTC3	2,	+INC1 = +INC2 = 0.1 V,		1.25	2.50	3.75	V
(Current Amp.1,
			10	−INC1 = −INC2 =	0 V
Current Amp.2)
		VOUTC4	2,	+INC1 = +INC2 = 0.03 V,		0.125	0.750	1.375	V
			10	−INC1 = −INC2 =	0 V
	Common mode		1,
			12,				
	input voltage	VCM				0		Vcc	V
			13,
	range
			24
	Voltage gain	AV	2,	+INC1 = +INC2 = 12.7 V,		22.5	25	27.5	V/V
			10	−INC1 = −INC2 =	12.6 V
	Frequency	BW	2,	AV = 0 dB			2.0*		MHz
	bandwidth		10

* : Standard design value.

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