SI4947DY Datasheet, PDF (4/4 Pages) Vishay Siliconix – Dual P-Channel 30-V (D-S) Rated MOSFET

Si4947DY
Typical Characteristics (25_C Unless Otherwise Noted)
Source-Drain Diode Forward Voltage
20
On-Resistance vs. Gate-to-Source Voltage
0.5
0.4
10
0.3
0.2
T_J = 150_C
T_J = 25_C
0.1
I_D = 2.5 A
1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
V_SD – Source-to-Drain Voltage (V)
0
0
2
4
6
8
10
V_GS – Gate-to-Source Voltage (V)
Threshold Voltage
0.8
Single Pulse Power
30
0.6
25
0.4
I_D = 250 mA
20
0.2
15
0.0
10
–0.2
5
–0.4
–50 –25
0 25 50 75 100 125 150
T_J – Temperature (_C)
0
0.01
0.1
1
Time (sec)
10 30
2
1 _{Duty Cycle = 0.5}
Normalized Thermal Transient Impedance, Junction-to-Ambient
0.2
0.1
0.1 _0.05
0.02
Single Pulse
0.01
10^–4
10^–3
4
10^–2
10^–1
Square Wave Pulse Duration (sec)
Notes:
P_DM
t₁
t₂
1. Duty Cycle, D =
t₁
t₂
2. Per Unit Base = R_thJA = 62.5_C/W
3. T_JM – T_A = P_DMZ_thJA(t)
4. Surface Mounted
1
10
30
Siliconix
S-49520—Rev. C, 18-Dec-96