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參數(shù)資料
| 型號： | ACPL-K342-000E |
| 元件分類： | 光電耦合器 |
| 英文描述： | 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 8/19頁 |
| 文件大?。?/td> | 333K |
| 代理商： | ACPL-K342-000E |
16
Selecting the Gate Resistor (Rg)
Step 1: Calculate Rg minimum from the IOL peak specification. The IGBT and Rg in Figure 33 can be analyzed as a simple
RC circuit with a voltage supplied by ACPL-H342/K342.
Rg ≥
VCC VEE VOL
IOLPEAK
=
= 6.28:| 7:
18V 0V 2.3V
2.5A
The VOL value of 2.3V in the previous equation is the VOL at the peak current of 2.5A (see Figure 7).
Step 1: Check the ACPL-H342/K342 power dissipation and increase Rg if necessary. The ACPL-H342/K342 total power dis-
sipation (PT) is equal to the sum of the emitter power (PE) and the output power (PO).
PT = PE + PO
PE = IF
F
PO = PO(BIAS) + PO(SWITCHING)
= ICC
CC-VEE) + ESW
Using IF(worst case) = 16mA, Rg = 7
:, Max Duty Cycle = 80%, Qg = 500nC, f = 25kHz and TA max = 85°C:
PE
PO
= 45mW + 100mW
= 145mW < 210mW (PO(MAX) @ 85°C)
The value of 2.5mA for ICC in the previous equation is the maximum ICC over the entire operating temperature range.
Since PO is less than PO(MAX), Rg = 7
: is alright for the power dissipation.
0
1
2
3
4
5
6
7
8
0
10
20
30
40
50
Rg - GATE RESISTANCE -
:
Esw
-ENER
G
YPER
SWITCHIN
G
CYCLE
-P
J
Qg = 100nc
Qg = 500nc
Qg = 1000nc
Figure 36. Energy Dissipated in the ACPL-H342/K342 for each IGBT switching cycle.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACPL-K342-060E | 功能描述:邏輯輸出光電耦合器 Optocoupler RoHS:否 制造商:Fairchild Semiconductor 絕緣電壓:4243 Vrms 輸出類型:Push-Pull 最大傳播延遲時間:500 ns 最大正向二極管電壓: 最大反向二極管電壓: 最大正向二極管電流: 最大連續(xù)輸出電流:2.5 A 最大功率耗散:100 mW 最大工作溫度:+ 100 C 最小工作溫度:- 40 C 封裝 / 箱體:SO-16 封裝:Tube |
| ACPL-K342-500E | 功能描述:邏輯輸出光電耦合器 Optocoupler RoHS:否 制造商:Fairchild Semiconductor 絕緣電壓:4243 Vrms 輸出類型:Push-Pull 最大傳播延遲時間:500 ns 最大正向二極管電壓: 最大反向二極管電壓: 最大正向二極管電流: 最大連續(xù)輸出電流:2.5 A 最大功率耗散:100 mW 最大工作溫度:+ 100 C 最小工作溫度:- 40 C 封裝 / 箱體:SO-16 封裝:Tube |
| ACPL-K342-560E | 功能描述:邏輯輸出光電耦合器 Optocoupler RoHS:否 制造商:Fairchild Semiconductor 絕緣電壓:4243 Vrms 輸出類型:Push-Pull 最大傳播延遲時間:500 ns 最大正向二極管電壓: 最大反向二極管電壓: 最大正向二極管電流: 最大連續(xù)輸出電流:2.5 A 最大功率耗散:100 mW 最大工作溫度:+ 100 C 最小工作溫度:- 40 C 封裝 / 箱體:SO-16 封裝:Tube |
| ACPL-K34T | 制造商:AVAGO 制造商全稱:AVAGO TECHNOLOGIES LIMITED 功能描述:Automotive 2.5 A Peak High Output Current MOSFET Gate Drive Optocoupler with Rail-to-Rail Output Voltage in Stretched SO8 |
| ACPL-K34T-000E | 制造商:Avago Technologies 功能描述:OPTOCOUPLER, MOSFET, 5000VRMS |
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