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| 型号： | DS3992Z-18N+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC CCFL CNTRLR 2CH 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | CCFL 控制器 |
| 频率： | 40 ~ 80 kHz |
| 电流 - 电源： | 8mA |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
Two-Channel, Push-Pull CCFL Controller
efficiency and transient response of the system. Table 2
shows a transformer specification that has been utilized
for a 12V inverter supply, 438mm x 2.2mm lamp design.
The n-channel MOSFET must have a threshold voltage
that is low enough to work with logic-level signals, a low
on-resistance to maximize efficiency and limit the n-
channel MOSFET’s power dissipation, and a break-
down voltage high enough to handle the transient. The
breakdown voltage should be a minimum of 3x the
inverter voltage supply. Additionally, the total gate
charge must be less than Q G , which is specified in the
Recommended Operating Conditions table. These
specifications are easily met by many of the dual n-
channel MOSFETs now available in SO-8 packages.
Table 2. Transformer Specifications (as Used in the Typical Operating Circuit )
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Turns Ratio (Secondary/Primary)
(Notes 1, 2, 3)
40
Frequency
Output Power
Output Current
40
5
80
6
8
kHz
W
mA
Primary DCR
Secondary DCR
Primary Leakage
Secondary Leakage
Primary Inductance
Secondary Inductance
Secondary Output Voltage
Center tap to one end
1000ms minimum
Continuous
2000
1000
200
500
12
185
70
500
m Ω
Ω
μH
mH
μH
mH
V RMS
Note 1: Primary should be Bifilar wound with center tap connection.
Note 2: Turns ratio is defined as secondary winding divided by the sum of both primary windings.
Note 3: 40:1 is the nominal turns ratio for driving a 438mm x 2.2mm lamp with a 12V supply. Refer to AN3375 for more information.
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3992Z-18P | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Two-Channel, Push-Pull CCFL Controller |
| DS3992Z-18P+ | 功能描述:显示驱动器和控制器 2Ch Push-Pull CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| DS3992Z-18P+R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Two-Channel, Push-Pull CCFL Controller |
| DS3992Z-18P+T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Two-Channel, Push-Pull CCFL Controller |
| DS3992Z-18P+T&R | 制造商:Maxim Integrated Products 功能描述:CCFL DRVR 5.5V 16SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CCFL CNTRLR 2CH 16-SOIC |
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