參數(shù)資料
型號: UF840L-TF3-T
廠商: UNISONIC TECHNOLOGIES CO LTD
元件分類: JFETs
英文描述: 8A, 500V, 0.85ohm, N-CHANNEL POWER MOSFET
中文描述: 8 A, 500 V, 0.85 ohm, N-CHANNEL, Si, POWER, MOSFET, TO-220AB
封裝: LEAD FREE, TO-220F, 3 PIN
文件頁數(shù): 5/8頁
文件大?。?/td> 182K
代理商: UF840L-TF3-T
UF840
MOSFET
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 8
QW-R502-047,C
TEST CIRCUITS AND WAVEFORMS (Cont.)
t
ON
t
DLY(ON)
t
R
90%
10%
0
V
DS
t
DLY(OFF)
t
OFF
t
F
90%
10%
90%
50%
50%
V
GS
0
10%
PULSE WIDTH
FIGURE 4. RESISTIVE SWITCHING WAVEFORMS
0
G
S
D
0.3
F
SAME TYPE
AS DUT
50K
0.2
F
12V
BATTERY
DUT
V
DS
I
D
CURRENT
SAMPLING
RESISTOR
I
G
CURRENT
SAMPLING
RESISTOR
I
G (REF)
CURRENT
REGULATOR
V
DS
(ISOLATED
SUPPLY)
FIGURE 5. GATE CHARGE TEST CIRCUIT
V
GS
Q
GD
Q
G(TOT)
Q
GS
V
DD
0
I
G(REF)
0
V
DS
FIGURE 6. GATE CHARGE WAVEFORMS
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