- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄385488 > LM5105 (National Semiconductor Corporation) 100V Half Bridge Gate Driver with Programmable Dead-time PDF資料下載
參數(shù)資料
| 型號(hào)： | LM5105 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 100V Half Bridge Gate Driver with Programmable Dead-time |
| 中文描述： | 100V的半橋柵極驅(qū)動(dòng)器，具有可編程死區(qū)時(shí)間 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大小： | 743K |
| 代理商： | LM5105 |
Timing Diagrams
Operational Notes
The LM5105 is a single PWM input Gate Driver with Enable
that offers a programmable deadtime. The deadtime is set
with a resistor at the RDT pin and can be adjusted from
100ns to 600ns. The wide deadtime programming range
provides the flexibility to optimize drive signal timing for a
wide range of MOSFETS and applications.
The RDT pin is biased at 3V and current limited to 1 mA
maximum programming current. The time delay generator
will accommodate resistor values from 5k to 100k with a
deadtime time that is proportional to the RDT resistance.
Grounding the RDT pin programs the LM5105 to drive both
outputs with minimum deadtime.
STARTUP AND UVLO
Both top and bottom drivers include under-voltage lockout
(UVLO) protection circuitry which monitors the supply volt-
age (V
) and bootstrap capacitor voltage (HB – HS) inde-
pendently. The UVLO circuit inhibits each driver until suffi-
cient supply voltage is available to turn-on the external
MOSFETs, and the UVLO hysteresis prevents chattering
during supply voltage transitions. When the supply voltage is
applied to the V
pin of LM5105, the top and bottom gates
are held low until V
exceeds the UVLO threshold, typically
about 6.9V. Any UVLO condition on the bootstrap capacitor
will disable only the high side output (HO).
20137503
LM5105 Input - Output Waveforms
FIGURE 2.
20137504
LM5105 Switching Time Definitions: t
LPLH
, t
LPHL
, t
HPLH
, t
HPHL
FIGURE 3.
20137530
LM5105 Enable: t
sd
FIGURE 4.
20137531
LM5105 Dead-time: DT
FIGURE 5.
L
www.national.com
8
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM5105SD | 100V Half Bridge Gate Driver with Programmable Dead-time |
| LM5105SDX | 100V Half Bridge Gate Driver with Programmable Dead-time |
| LM6134AIMX | Low Power 10 MHz Rail-to-Rail I/O Operational Amplifiers |
| LM6134 | Low Power 10 MHz Rail-to-Rail I/O Operational Amplifiers |
| LM6134AIM | Low Power 10 MHz Rail-to-Rail I/O Operational Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM5105BSD/NOPB | 制造商:Texas Instruments 功能描述: |
| LM5105SD | 功能描述:功率驅(qū)動(dòng)器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| LM5105SD/NOPB | 功能描述:功率驅(qū)動(dòng)器IC 100V HALF-BRIDGE DRIVER W/ DELAY RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| LM5105SDX | 功能描述:功率驅(qū)動(dòng)器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| LM5105SDX/NOPB | 功能描述:功率驅(qū)動(dòng)器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類(lèi)型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。