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參數(shù)資料
| 型號(hào)： | LM3595 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs. |
| 中文描述： | 該LM3595是平行的白光LED驅(qū)動(dòng)器能夠驅(qū)動(dòng)4個(gè)白光LED的能力。 |
| 文件頁(yè)數(shù)： | 10/11頁(yè) |
| 文件大?。?/td> | 233K |
| 代理商： | LM3595 |
Application Information
(Continued)
diode by the LM3595. Power dissipation must be less than
that allowed by the package. Please refer to the Absolute
Maximum Rating of the LM3595.
INPUT CAPACITOR SELECTION
The LM3595 is designed to run off of a fixed input voltage.
Depending on the stability and condition of this voltage rail, it
may be necessary to add a small input capacitor to help filter
out any noise that may be present on the line. In the event
that filtering is needed, surface-mount multi-layer ceramic
capacitors are recommended. These capacitors are small
and inexpensive. A capacitance of 1μF is typically sufficient.
THERMAL PROTECTION
The LM3595 has internal thermal protection circuitry to dis-
able the part if the junction temperature exceeds 150C. This
feature will protect the device from damage due to excessive
power dissipation. The device will recover and operate nor-
mally when the junction temperature falls below the maxi-
mum operating junction temperature of 105C. It is important
to have good thermal conduction with a proper layout to
reduce thermal resistance.
PCB LAYOUT CONSIDERATIONS
The LLP is a leadframe based Chip Scale Package (CSP)
with very good thermal properties. This package has an
exposed DAP (die attach pad) at the center of the package
measuring 2.0mm x 1.2mm. The main advantage of this
exposed DAP is to offer lower thermal resistance when it is
soldered to the thermal land on the PCB. For PCB layout,
National highly recommends a 1:1 ratio between the pack-
age and the PCB thermal land. To further enhance thermal
conductivity, the PCB thermal land may include vias to a
ground plane. For more detailed instructions on mounting
LLP packages, please refer to National Semiconductor Ap-
plication Note AN-1187.
L
www.national.com
10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM3595LD | The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs. |
| LM3595LDX | The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs. |
| LM359 | Dual, High Speed, Programmable, Current Mode Norton Amplifiers |
| LM359J | Dual, High Speed, Programmable, Current Mode Norton Amplifiers |
| LM359M | Dual, High Speed, Programmable, Current Mode Norton Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3595LD | 制造商:Texas Instruments 功能描述:IC WLED DRIVER POWERWISE QUAD |
| LM3595LD/NOPB | 功能描述:IC LED DRIVER LINEAR 10-LLP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:PowerWise® 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| LM3595LDEV | 功能描述:BOARD EVALUATION LM3595LD RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:PowerWise® 標(biāo)準(zhǔn)包裝:1 系列:- 傳感器類型:CMOS 成像，彩色（RGB） 傳感范圍:WVGA 接口:I²C 靈敏度:60 fps 電源電壓:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相關(guān)產(chǎn)品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| LM3595LDX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:The LM3595 is a parallel white-LED driver that is capable of driving four white LEDs. |
| LM359J | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual, High Speed, Programmable, Current Mode Norton Amplifiers |
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