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參數(shù)資料
| 型號： | IXDD415 |
| 廠商： | IXYS Corporation |
| 英文描述： | Dual 15 Ampere Low-Side Ultrafast MOSFET Driver |
| 中文描述： | 雙一五安培低側MOSFET驅動器超快 |
| 文件頁數(shù)： | 8/8頁 |
| 文件大小： | 161K |
| 代理商： | IXDD415 |
8
IXDD415SI
IXYS Semiconductor GmbH
Edisonstrasse15 ; D-68623; Lampertheim
Tel: +49-6206-503-0; Fax: +49-6206-503627
e-mail: marcom@ixys.de
IXYS Corporation
3540 Bassett St; Santa Clara, CA 95054
Tel: 408-982-0700; Fax: 408-496-0670
e-mail: sales@ixys.net
www.ixys.com
Directed Energy, Inc.
An IXYS Company
2401 Research Blvd. Ste. 108, Ft. Collins, CO 80526
Tel: 970-493-1901; Fax: 970-493-1903
e-mail: deiinfo@directedenergy.com
www.directedenergy.com
The enable (EN) input to the IXDD415 is a high voltage
CMOS logic level input where the EN input threshold is V
,
and may not be compatible with 5V CMOS or TTL input levels.
The IXDD415 EN input was intentionally designed for
enhanced noise immunity with the high voltage CMOS logic
levels. In a typical gate driver application, V
=15V and the
EN input threshold at 7.5V, a 5V CMOS logical high input
applied to this typical IXDD415 application’s EN input will be
misinterpreted as a logical low, and may cause undesirable
or unexpected results. The note below is for optional
adaptation of TTL or 5V CMOS levels.
The circuit in Figure 16 alleviates this potential logic level
misinterpretation by translating a TTL or 5V CMOS logic input
to high voltage CMOS logic levels needed by the IXDD415 EN
input. From the figure, V
is the gate driver power supply,
typically set between 8V to 20V, and V
is the logic power
supply, typically between 3.3V to 5.5V. Resistors R1 and R2
form a voltage divider network so that the Q1 base is posi-
tioned at the midpoint of the expected TTL logic transition
levels.
A TTL or 5V CMOS logic low, V
=~<0.8V, input applied to
the Q1 emitter will drive it on. This causes the level translator
output, the Q1 collector output to settle to V
+
V
=<~2V, which is sufficiently low to be correctly
interpreted as a high voltage CMOS logic low (<1/3V
CC
=5V for
V
CC
=15V given in the IXDD415 data sheet.)
A TTL high, V
=>~2.4V, or a 5V CMOS high,
V
=~>3.5V, applied to the EN input of the circuit in
Figure 16 will cause Q1 to be biased off. This results in Q1
collector being pulled up by R3 to V
=15V, and provides a
high voltage CMOS logic high output. The high voltage CMOS
logical EN output applied to the IXDD415 EN input will enable
it, allowing the gate driver to fully function as a 15 Ampere
output driver.
The total component cost of the circuit in Figure 16 is less
than $0.10 if purchased in quantities >1K pieces. It is
recommended that the physical placement of the level
translator circuit be placed close to the source of the TTL or
CMOS logic circuits to maximize noise rejection.
TTL to High Voltage CMOS Level Translation
10K
R3
3.3K
R2
Q1
2N3904
EN
Output
(To IXDD415
EN Input)
CC
(From Gate Driver
Power Supply)
Input)
TTL
CMOS
3.3K
R1
V
DD
(From Logic
Power Supply)
or
High Voltage
Figure 16 - TTL to High Voltage CMOS Level Translator
Doc #9200-0233 R2
相關PDF資料 |
PDF描述 |
|---|---|
| IXDD415SI | Dual 15 Ampere Low-Side Ultrafast MOSFET Driver |
| IXDF402PI | 2 Ampere Dual Low-Side Ultrafast MOSFET Drivers |
| IXDF402SI | 2 Ampere Dual Low-Side Ultrafast MOSFET Drivers |
| IXDF402SI-16 | 2 Ampere Dual Low-Side Ultrafast MOSFET Drivers |
| IXDF402SIA | 2 Ampere Dual Low-Side Ultrafast MOSFET Drivers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IXDD415SI | 功能描述:功率驅動器IC MOSFET Driver 30V 15A RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| IXDD430 | 制造商:IXYS 制造商全稱:IXYS Corporation 功能描述:30 Amp Low-Side Ultrafast MOSFET / IGBT Driver |
| IXDD430CI | 功能描述:功率驅動器IC 30 Amps 40V 0.4 Rds RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| IXDD430MCI | 功能描述:功率驅動器IC 30 Amps 40V 0.4 Rds RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| IXDD430MYI | 功能描述:功率驅動器IC 30 Amps 40V 0.4 Rds RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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