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ISL8024IRTAJZ-T7A PDF预览

ISL8024IRTAJZ-T7A

更新时间： 2024-01-20 17:37:44
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
20页 1118K
描述
Compact Synchronous Buck Regulator; TQFN16; Temp Range: -40° to 85°C

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ISL8024IRTAJZ-T7A 技术参数

生命周期：Unknown零件包装代码：TQFN
包装说明：QCCN, LCC16,.12SQ,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：7 weeks
风险等级：7.39模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODEJESD-30 代码：S-PQCC-N16
JESD-609代码：e3湿度敏感等级：3
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：4 A
封装主体材料：PLASTIC/EPOXY封装代码：QCCN
封装等效代码：LCC16,.12SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：4000 kHz温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
Base Number Matches：1

ISL8024IRTAJZ-T7A 数据手册

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DATASHEET  
ISL8023, ISL8024  
Compact Synchronous Buck Regulator  
FN7812  
Rev 3.00  
March 24, 2014  
The ISL8023, ISL8024 are highly efficient, monolithic,  
Features  
synchronous step-down DC/DC converters that can deliver 3A  
(ISL8023) or 4A (ISL8024) of continuous output current from a  
2.7V to 5.5V input supply. The devices use current mode control  
architecture to deliver very low duty cycle operation at high  
frequency with fast transient response and excellent loop stability.  
• 2.7V to 5.5V input voltage range  
• Very low on-resistance FET’s - P-Channel 45mΩ and  
N-Channel 19mΩ typical values  
• High efficiency synchronous buck regulator with up to 95%  
efficiency  
The ISL8023 and ISL8024 integrate a very low On-resistance  
P-Channel (45mΩ) high side FET and N-Channel (19mΩ) low  
side FET to maximize efficiency and minimize external  
component count. The 100% duty-cycle operation allows less  
than 200mV dropout voltage at 4A output current. The  
operation frequency of the pulse-width modulator (PWM) is  
adjustable from 500kHz to 4MHz. The default switching  
frequency of 1MHz is set by connecting the FS pin high, which  
allows for the use of small external components.  
• 0.8% reference accuracy over-temperature/load/line  
• Complete BOM with as few as 3 external parts  
• Start-up with pre-biased output  
• Internal soft-start - 1ms or adjustable  
• Soft-stop output discharge during disabled  
• Adjustable frequency from 500kHz to 4MHz - default at  
1MHz (8023/24), 2MHz (8023A/24A)  
The ISL8023, ISL8024 can be configured for discontinuous or  
forced continuous operation at light load. Forced continuous  
operation reduces noise and RF interference while  
discontinuous mode provides higher efficiency by reducing  
switching losses at light loads.  
• External synchronization up to 4MHz  
• Over-temperature, Overcurrent, Overvoltage and negative  
overcurrent protection  
• Tiny 3x3 QFN package  
Fault protection is provided by internal hiccup mode current  
limiting during short circuit and overcurrent conditions. Other  
protection, such as overvoltage and over-temperature are also  
integrated into the device. A power-good output voltage  
monitor indicates when the output is in regulation.  
Applications  
• DC/DC POL modules  
• μC/µP, FPGA and DSP power  
• Plug-in DC/DC modules for routers and switchers  
• Portable instruments  
The ISL8023, ISL8024 offer a 1ms Power-Good (PG) timer at  
power-up. When in shutdown, ISL8023, ISL8024 discharges  
the output capacitor through an internal soft-stop switch. Other  
features include internal fixed or adjustable soft-start and  
internal/external compensation.  
• Test and measurement systems  
• Li-ion battery powered devices  
The ISL8023 and ISL8024 are offered in a space saving 16 Ld  
3x3 Pb-free QFN package with an exposed pad for improved  
thermal performance and 1mm maximum height. The  
Related Literature  
• See AN1759, “3A/4A Low Quiescent Current High Efficiency  
Synchronous Buck Regulator”  
2
complete converter occupies less than 0.22 in area.  
Various fixed output voltages are available upon request. See  
the “Ordering Information” on page 4 for more details.  
100  
90  
3.3V  
3.3V  
PFM  
OUT  
80  
70  
60  
50  
40  
PWM  
OUT  
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0  
(A)  
I
OUT  
FIGURE 1. EFFICIENCY T = +25°C, V = 5V  
IN  
FN7812 Rev 3.00  
March 24, 2014  
Page 1 of 20  
1234567...20

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