Fairchild BSS84 manual Typical Characteristics, On-Region Characteristics

Typical Characteristics
	1	VGS = -5V	-4.5V
				-3.5V
(A)	0.8
CURRENT	0.6			-3.0V
DRAIN,
	0.4
D
-I	0.2			-2.5V
	0
	0	1	2	3	4	5
		-VDS, DRAIN TO SOURCE VOLTAGE (V)

Figure 1. On-Region Characteristics.

		1.8
	ON-RESISTANCE	1.6	ID = -0.10A
			VGS = -5V
NORMALIZED		1.4
		1.2
		1
,	DRAINSOURCE-
DS(ON)		0.8
R
		0.6
		0.4
		-50	-25	0	25	50	75	100	125	150
				TJ, JUNCTION TEMPERATURE (oC)

Figure 3. On-Resistance Variation with

Temperature.

	1
	0.8	VDS = -5V			TA = -55oC		25oC
(A)
						125oC
CURRENT
	0.6
, DRAIN	0.4
D
-I	0.2
	0
	1	1.5	2	2.5	3	3.5	4

-VGS, GATE TO SOURCE VOLTAGE (V)

Figure 5. Transfer Characteristics.

		2
	ON-RESISTANCE	1.8
NORMALIZED,			VGS=-3.0V
		1.6
		1.4
				-3.5V
DS(ON)	DRAINSOURCE-	1.2			-4.0V	-4.5V
R								-5.0V
		1
		0.8
		0	0.2	0.4		0.6	0.8	1
				-ID, DRAIN CURRENT (A)

Figure 2. On-Resistance Variation with

Drain Current and Gate Voltage.

	5
(OHM)						ID = -0.05A
	4
RESISTANCE	3			TA = 125oC
ON-
,
DS(ON)	2
		TA = 25oC
R
	1
	2	2.5	3	3.5	4	4.5	5

-VGS, GATE TO SOURCE VOLTAGE (V)

Figure 4. On-Resistance Variation with

Gate-to-Source Voltage.

	1
(A)	VGS = 0V
CURRENT	0.1		TA = 125oC
DRAIN	0.01				25oC
						-55oC
, REVERSE	0.001
S
-I
	0.0001
	0.0	0.2	0.4	0.6	0.8	1.0	1.2

-VSD, BODY DIODE FORWARD VOLTAGE (V)

Figure 6. Body Diode Forward Voltage Variation

with Source Current and Temperature.

BSS84

BSS84 Rev B(W)