参数资料
型号: SI4814BDY-T1-E3
厂商: Vishay Siliconix
文件页数: 2/13页
文件大小: 0K
描述: MOSFET N-CH/SCHOTTKY 30V 8SOIC
标准包装: 2,500
系列: LITTLE FOOT®
FET 型: 2 个 N 沟道(双)
FET 特点: 逻辑电平门
漏极至源极电压(Vdss): 30V
电流 - 连续漏极(Id) @ 25° C: 10A,10.5A
开态Rds(最大)@ Id, Vgs @ 25° C: 18 毫欧 @ 10A,10V
Id 时的 Vgs(th)(最大): 3V @ 250µA
闸电荷(Qg) @ Vgs: 10nC @ 4.5V
功率 - 最大: 3.3W,3.5W
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
Si4814BDY
Vishay Siliconix
THERMAL RESISTANCE RATINGS
Channel-1
Channel-2
Parameter
Symbol
Typ.
Max.
Typ.
Max.
Unit
Maximum Junction-to-Ambient a
Maximum Junction-to-Foot (Drain)
t ≤ 10 s
Steady State
R thJA
R thJF
54
32
65
38
47
30
60
35
°C/W
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
b. Maximum under Steady State conditions is 112 °C/W for Channel 1 and 107 °C/W for Channel 2.
MOSFET SPECIFICATIONS T J = 25 °C, unless otherwise noted
Parameter
Symbol
Test Conditions
Min.
Typ. a
Max.
Unit
Static
Drain-Source Breakdown Voltage
V DS
V GS = 0 V, I D = 250 μA
Ch-1
Ch-2
30
30
V
V DS Temperature Coefficient
V GS(th) Temperature Coefficient
Gate Threshold Voltage
Δ V DS /T J
Δ V GS(th) /T J
V GS(th)
I D = 250 μA
V DS = V GS , I D = 250 μA
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
1.5
1.5
24
25
-6
-6
3.0
2.7
mV/°C
V
Gate-Body Leakage
Zero Gate Voltage Drain Current
On-State Drain Current b
I GSS
I DSS
I D(on)
V DS = 0 V, V GS = 20 V
V DS = 30 V, V GS = 0 V
V DS = 30 V, V GS = 0 V, T J = 85 °C
V DS = 5 V, V GS = 10 V
V GS = 10 V, I D = 10 A
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
20
20
0.0145
100
100
1
100
15
2000
0.018
nA
μA
A
Drain-Source On-State Resistance b
R DS(on)
V GS = 10 V, I D = 10.5 A
V GS = 4.5 V, I D = 8.5 A
Ch-2
Ch-1
0.015
0.019
0.018
0.023
Ω
V GS = 4.5 V, I D = 9.3 A
Ch-2
0.018
0.022
Forward Transconductance b
g fs
V DS = 15 V, I D = 10 A
V DS = 15 V, I D = 10.5 A
Ch-1
Ch-2
30
35
S
Diode Forward Voltage b
V SD
I S = 1.7 A, V GS = 0 V
I S = 1 A, V GS = 0 V
Ch-1
Ch-2
0.75
0.47
1.1
0.5
V
Dynamic a
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Q g
Q gs
Q gd
Channel-1
V DS = 15 V, V GS = 4.5 V, I D = 10 A
Channel-2
V DS = 15 V, V GS = 4.5 V, I D = - 10.5 A
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
6.6
8.9
2.9
3.4
2.3
2.4
10
14
nC
Gate Resistance
R g
Ch-1
Ch-2
0.5
0.5
1.9
2.3
2.9
3.5
Ω
www.vishay.com
2
Document Number: 73278
S09-0394-Rev. C, 09-Mar-09
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