ITF87008DQT Datasheet, PDF (5/13 Pages) Intersil Corporation – 7.0A, 20V, 0.023 Ohm, Dual N-Channel, 2.5V Specified Power MOSFET

ITF87008DQT
Typical Performance Curves (Continued)
1.10
I_D = 250µA
1.05
2000
1000
1.00
C_ISS = C_GS + C_GD
C_OSS ≅ C_DS + C_GD
0.95
0.90
-80
-40
0
40
80
120
160
T_J, JUNCTION TEMPERATURE (^oC)
FIGURE 11. NORMALIZED DRAIN TO SOURCE BREAKDOWN
VOLTAGE vs JUNCTION TEMPERATURE
V_GS = 0V, f = 1MHz
100
0.1
1.0
C_RSS = C_GD
10
20
V_DS, DRAIN TO SOURCE VOLTAGE (V)
FIGURE 12. CAPACITANCE vs DRAIN TO SOURCE VOLTAGE
5
V_DD = 10V
4
3
2
WAVEFORMS IN
1
DESCENDING ORDER:
I_D = 7A
I_D = 1A
0
0
3
6
9
12
Q_g, GATE CHARGE (nC)
NOTE: Refer to Intersil Application Notes AN7254 and AN7260.
FIGURE 13. GATE CHARGE WAVEFORMS FOR CONSTANT
GATE CURRENT
600
V_GS = 2.5V, V_DD = 10V, I_D = 2A
500
t_r
400
t_f
300
t_d(OFF)
200
100
t_d(ON)
0
0
10
20
30
40
50
R_GS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 14. SWITCHING TIME vs GATE RESISTANCE
400
V_GS = 4.5V, V_DD = 10V, I_D = 7A
t_d(OFF)
300
t_f
200
t_r
100
t_d(ON)
0
0
10
20
30
40
50
R_GS, GATE TO SOURCE RESISTANCE (Ω)
FIGURE 15. SWITCHING TIME vs GATE RESISTANCE
5