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參數(shù)資料
| 型號(hào)： | ACPL-H312-060E |
| 元件分類： | 光電耦合器 |
| 英文描述： | 1 CHANNEL LOGIC OUTPUT OPTOCOUPLER |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOP-6 |
| 文件頁(yè)數(shù)： | 9/17頁(yè) |
| 文件大?。?/td> | 210K |
| 代理商： | ACPL-H312-060E |
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Quick Gate Drive Design Example using ACPL-H312/K312
The total power dissipation (PT) is equal to the sum of the
LED input-side power (PI) and detector output-side power
(PO) dissipation:
PT = PI + PO
PI = IF(ON) ,max * VF,max
where,
IF(ON),max = 16mA (Table 4)
VF,max = 1.8V (Table 5)
PO = PO(BIAS) + PO(SWTICH) = ICC2 * (VCC2–VEE ) + ΔVGE *
QG * fSWITCH
where,
PO(BIAS) = steady-state power dissipation in the driver
due to biasing the device.
PO(SWITCH) = power dissipation in the driver due to charg-
ing and discharging of power device gate capacitances.
ICC2 = Supply Current to power internal circuity = 3.0mA
(Table 5)
ΔVGE = VCC2 + |VEE| = 18 – (-5V) = 23V (Application exam-
ple)
QG = Total gate charge of the IGBT or MOSFET as described
in the manufacturer specification = 240nC (approxima-
tion of 100A IGBT which can be obtained from IGBT data-
sheet)
fSWITCH = switching frequency of application = 10kHz
Similarly using the maximum supply current ICC2 = 3.0
mA.
PI = 16 mA * 1.8 V = 28.8mW
PO = PO(BIAS) + PO(SWITCH)
= 3.0 mA * (18 V – (–5 V)) + (18V + 5V) * 240nC * 10 kHz
= 69mW + 55.2mW
= 124.2 mW
Using the given thermal resistances and thermal model
formula in this datasheet, we can calculate the junction
temperature for both LED and the output detector. Both
junction temperature should be within the absolute maxi-
mum rating. For this application example, we set the am-
bient temperature as 78 C and use the high conductivity
thermal resistances.
LED junction temperature,
T1 = (R11 * P1 + R12 * P2) + Ta
= (311 * 28.8 + 111 * 124.2) + 78
= 22.7 + 78 = 100.7 C
Output IC junction temperature,
T2 = (R21 x P1 + R22 x P2) + Ta
= (111 * 28.8 + 168 * 124.2) + 78
= 24 + 78 = 102 C
In this example, both temperature are within the maxi-
mum 125
qC. If the juntion temperature is higher than the
maximum junction temperature rating, the desired speci-
fication must be derated according.
For product information and a complete list of distributors, please go to our web site:
www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies in the United States and other countries.
Data subject to change. Copyright 2005-2010 Avago Technologies. All rights reserved.
AV02-0821EN - June 3, 2010
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ACPL-H312-500E | 功能描述:邏輯輸出光電耦合器 2.5A IGBT Gate Drive 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(shí)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-H312-560E | 功能描述:邏輯輸出光電耦合器 2.5A IGBT Gate Drive 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(shí)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-H342 | 制造商:Avago Technologies 功能描述:PLASTIC OPTOCOUPLER - Tape and Reel |
| ACPL-H342-000E | 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(shí)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-H342-060E | 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(shí)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 |
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