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ISL9492ERZ-T

更新时间： 2024-11-09 14:38:07
品牌 Logo 应用领域
瑞萨 - RENESAS 开关输出元件
页数 文件大小 规格书
21页 1364K
描述
Highly Integrated Single Output LNB Regulator with I<sup>2</sup>C Interface for Satellite Set-Top Box Designs; TQFN28; Temp Range: -25&deg; to 85&deg;C

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中文翻译

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ISL9492ERZ-T 技术参数

生命周期：Unknown零件包装代码：TQFN
包装说明：HQCCN, LCC28,.16SQ,16针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.2其他特性：ALSO OPERATES AT 14.2V, 18.5V AND 20V OUTPUTS
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：14 V
最小输入电压：8 V标称输入电压：12 V
JESD-30 代码：S-PQCC-N28JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-20 °C
最大输出电流：1.05 A标称输出电压：13.5 V
封装主体材料：PLASTIC/EPOXY封装代码：HQCCN
封装等效代码：LCC28,.16SQ,16封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG峰值回流温度（摄氏度）：260
电源：12 V认证状态：Not Qualified
子类别：Power Management Circuits最大供电电流 (Isup)：20 mA
标称供电电压 (Vsup)：12 V表面贴装：YES
切换器配置：BOOST最大切换频率：490 kHz
温度等级：OTHER端子面层：Matte Tin (Sn) - annealed
端子形式：NO LEAD端子节距：0.4 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：4 mmBase Number Matches：1

ISL9492ERZ-T 数据手册

 浏览型号ISL9492ERZ-T的Datasheet PDF文件第2页浏览型号ISL9492ERZ-T的Datasheet PDF文件第3页浏览型号ISL9492ERZ-T的Datasheet PDF文件第4页浏览型号ISL9492ERZ-T的Datasheet PDF文件第5页浏览型号ISL9492ERZ-T的Datasheet PDF文件第6页浏览型号ISL9492ERZ-T的Datasheet PDF文件第7页 
DESIGNS  
MENDED FOR NEW  
NOT RECOM  
DATASHEET  
NT  
DED REPLACEME  
NO RECOMMEN  
contact our Tech  
1-888-INTERSIL or  
ter at  
nical Support Cen  
/tsc  
www.intersil.com  
ISL9492  
FN6547  
Rev 1.00  
March 17, 2011  
2
Single Output LNB Supply and Control Voltage Regulator with I C Interface for  
Satellite Set-Top Box Designs  
The ISL9492 is a highly integrated voltage regulator and  
Features  
interface IC specifically designed for supplying power and  
• Single-Chip Power Solution  
- Operation for 1-Tuner/1-Dish Applications  
- Integrated DC/DC Converter and I C Interface  
control signals from advanced satellite set-top box (STB)  
modules to the low noise blocks (LNB) of a single antenna port.  
It also supports DiSEqC tone generation and modulation with  
diagnostic status read-back. Controlling the ISL9492 is simple  
2
• Integrated Boost MOSFET  
2
via the I C bus by writing 8 bit words onto the System  
• Switch-Mode Power Converter for Lowest Dissipation  
- 490kHz Boost Switching Frequency  
- Boost PWMs with > 92% Efficiency  
Registers (SR).  
The device design makes the total LNB supply design simple,  
efficient and compact with low external component count by  
integrating Boost power MOSFET, current-mode boost PWM  
and a low-noise linear regulator. The current-mode boost  
converters provide the linear regulator with input voltage that  
is set to the final output voltages, plus typically 0.9V to insure  
minimum power dissipation across each linear regulator.  
- Selectable 13.5V or 18.5V Outputs  
2
- I C and Pin Controllable Output  
• 31V Output Back-Bias Capability  
• Built-in Tone Oscillator Factory  
- Facilitates DiSEqC (EUTELSAT) Encoding  
- Trimmed to 22kHz  
The LNB output voltage can be controlled in two ways; by full  
2
control from I C using the VTOP and VBOT bits or by setting the  
- External Modulation Input  
2
I C to the lower range and switching to higher range with the  
select VTOP pin.  
• DiSEqC 2.0 Support and Diagnostics  
• Internal Overvoltage, Undervoltage, Overcurrent Protection,  
Over-Temperature Flags Accessible through the I C Interface  
and Fault Signal Status Pin  
The External modulation input EXTM accepts a modulated  
DISEqC command and transfers it symmetrically to the output.  
The EXTM pin can be used to modulate the continuous internal  
tone. The fault signal serves as an interrupt for the processor  
when any condition turns OFF the LNB controller  
2
• Short-Circuit Protection  
(over-temperature, overcurrent, disable). The states of these flags  
to the faults can be thoroughly examined through the I C  
registers.  
Applications  
• LNB Power Supply and Control for Satellite Set-Top Box  
2
TXT  
TDOUT  
EXTM  
FLT#  
R1  
27  
21  
17  
16  
FLT#  
SCL  
SDA  
3.3V  
CPVOUT  
C5  
100k  
C1  
0.047µF  
28  
CPSWOUT  
SCL  
2.2nF  
1
CPSWIN  
SDA  
6
20  
25  
5
VCC  
C2  
1µF  
ISL9492  
C6  
10  
22  
4
LDO_SGND  
LDO_SGND  
ABYP  
DBYP  
TCAP  
NC  
0.1µF  
C4  
1µF  
C8  
0.22µF  
RL  
100  
C3  
1µF  
9
23  
PGND  
DGATE  
FERRITE  
BEAD  
Q1  
NDS356AP  
C9  
LNB  
POWER  
0.22µF  
L3  
Cp  
See pg 14  
C10  
0.1µF  
Rp  
L1  
L2  
220µH  
R2  
VIN  
D1  
CMS06  
100  
10µH  
1µH  
15  
C7  
C10  
100µF  
C11  
10µF  
100µF  
D4  
CMS06  
FIGURE 1. TYPICAL APPLICATION  
FN6547 Rev 1.00  
March 17, 2011  
Page 1 of 21  
1234567...21

中文翻译

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ISL9492ERZ-T 替代型号

型号 品牌 替代类型 描述 数据表
ISL9492ERZ RENESAS

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