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| 型号： | IRS2158DSTRPBF |
| 厂商： | International Rectifier |
| 文件页数： | 18/30页 |
| 文件大小： | 0K |
| 描述： | IC BALLAST CTRL 600V 16-SOIC |
| 标准包装： | 2,500 |
| 类型： | 荧光灯驱动器 |
| 频率： | 42.5 ~ 48.5 kHz |
| 电流 - 电源： | 3.5mA |
| 电流 - 输出： | 260mA |
| 电源电压： | 11.5 V ~ 15.6 V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC N |
| 包装： | 带卷 (TR) |
| 配用： | IRPLDIM3-ND - KIT DES FLUOR BALLAST IRS2158D |
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IRS2158D(S)
Application Information and Additional Details
Information regarding the following topics is included as subsections within this section of the datasheet:
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Under-Voltage Lock-Out (UVLO) Mode and IC Supply Circuitry
Preheat Mode (PH)
Ignition Mode (IGN)
Pre-Run Mode
Run Mode (RUN)
Dimming
SD/EOL and CS Fault Mode
Brown-out protection
Component Selection
Vcc double filter
PCB Layout Guidelines
Under-voltage Lock-Out Mode (UVLO) Mode and IC Supply Circuitry
The under-voltage lock-out mode (UVLO) is defined as the state the IC is in when VCC is below the turn-on
threshold of the IC. To identify the different modes of the IC, refer to the State Diagram shown on page 14 of
this document. The IRS2158D undervoltage lock-out is designed to maintain an ultra low supply current of
less than 500 μ A, and to guarantee the IC is fully functional before the high- and low-side output drivers are
activated. Figure 1 shows an efficient supply voltage using the micro-power start-up current of the
IRS2158D together with a snubber charge pump from the half-bridge output (R VCC , C VCC1 , C VCC2 , C SNUB , D CP1
and D CP2 ).
V RECT (+)
V BUS (+)
R VCC
16
15
HO
VS
R HO
MHS
To Load
BSFET
14
VB
C BS
C SNUB
BSFET
CONTROL
13
VCC
R 2
C VCC2
R 1
D CP2
12
COM
C VCC1
IRS2158D
11
10
LO
CS
R LO
R 3
C CS
MLS
R CS
D CP1
IC COM
V BUS (-)
Load
Return
Figure 1: Start-up and supply circuitry.
The VCC capacitors (C VCC1 and C VCC2 ) are charged by the current through supply resistor (R VCC ) minus the
start-up current drawn by the IC. This resistor is chosen to set the desired AC line input voltage turn-on
threshold for the ballast. When the voltage at VCC exceeds the IC start-up threshold (VCCUV+) and the
VDC pin is above 5 V and the SD pin is below 3 V, the IC turns on and LO begins to oscillate. The
capacitors at VCC begin to discharge due to the increase in IC operating current (Figure 2). The high-side
supply voltage, VB-VS, begins to increase as capacitor C BS is charged through the internal bootstrap
MOSFET during the LO on-time of each LO switching cycle. When the VB-VS voltage exceeds the high-side
start-up threshold (VBSUV+), HO then begins to oscillate. This may take several cycles of LO to charge VB-
VS above VBSUV+ due to RDSon of the internal bootstrap MOSFET.
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? 2009 International Rectifier
相关PDF资料 |
PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRS2166DPBF | 功能描述:功率驱动器IC PFC & Ballast Cntrl IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IRS2166DPBF | 制造商:International Rectifier 功能描述:MOSFET Driver IC |
| IRS2166DSPBF | 功能描述:功率驱动器IC PFC BALLAST CTRL IC 600V 15.6V VCC ESD RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IRS2166DSPBF | 制造商:International Rectifier 功能描述:MOSFET Driver IC |
| IRS2166DSTRPBF | 功能描述:功率驱动器IC PFC & Ballast Cntrl IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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