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ISL9112IRTNZ-T7 PDF预览

ISL9112IRTNZ-T7

更新时间： 2024-02-05 06:16:36
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
20页 1019K
描述
SWITCHING REGULATOR

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ISL9112IRTNZ-T7 技术参数

生命周期：Unknown零件包装代码：DFN
包装说明：SON, SOLCC12,.12,16针数：12
Reach Compliance Code：compliantFactory Lead Time：5 weeks
风险等级：5.63Is Samacsys：N
控制模式：VOLTAGE-MODEJESD-30 代码：R-PDSO-N12
端子数量：12最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：1.2 A
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC12,.12,16封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：2750 kHz温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.4 mm
端子位置：DUALBase Number Matches：1

ISL9112IRTNZ-T7 数据手册

 浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第2页浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第3页浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第4页浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第5页浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第6页浏览型号ISL9112IRTNZ-T7的Datasheet PDF文件第7页 
1.2A High Efficiency Buck-Boost Regulators  
ISL9110, ISL9112  
Features  
• Accepts Input Voltages Above or Below Regulated Output  
Voltage  
The ISL9110 and ISL9112 are highly-integrated Buck-Boost  
switching regulators that accept input voltages either above or  
below the regulated output voltage. Unlike other Buck-Boost  
regulators, these regulators automatically transition between  
operating modes without significant output disturbance.  
• Automatic and Seamless Transitions Between Buck and Boost  
Modes  
• Input Voltage Range: 1.8V to 5.5V  
• Output Current: Up to 1.2A  
Both parts are capable of delivering up to 1.2A output current,  
and provide excellent efficiency due to their fully synchronous  
4-switch architecture. No-load quiescent current of only 35µA  
also optimizes efficiency under light-load conditions. Forced  
PWM and/or synchronization to an external clock may also be  
selected for noise sensitive applications.  
• High Efficiency: Up to 95%  
• 35µA Quiescent Current Maximizes Light-load Efficiency  
• 2.5MHz Switching Frequency Minimizes External Component  
Size  
The ISL9110 is designed for standalone applications and  
supports 3.3V and 5V fixed output voltages or variable output  
voltages with an external resistor divider. Output voltages as low  
as 1V, or as high as 5.2V are supported using an external resistor  
divider.  
• Selectable Forced-PWM Mode and External Synchronization  
2
• I C Interface (ISL9112)  
• Fully Protected for Overcurrent, Over-temperature and  
Undervoltage  
• Small 3mmx3mm TDFN Package  
The ISL9112 supports a broader set of programmable features  
that may be accessed via an I C bus interface. With a  
2
programmable output voltage range of 1.9V to 5V, the ISL9112  
is ideal for applications requiring dynamically changing supply  
voltages. A programmable slew rate can be selected to provide  
smooth transitions between output voltage settings.  
Applications  
• Regulated 3.3V from a Single Li-Ion Battery  
• Smart Phones and Tablet Computers  
• Handheld Devices  
The ISL9110 and ISL9112 require only a single inductor and very  
few external components. Power supply solution size is  
minimized by a tiny 3mmx3mm package and a 2.5MHz  
switching frequency, which further reduces the size of external  
components.  
• Point-of-Load Regulators  
Related Literature  
• See AN1648 “ISL9110IRTNEVAL1Z, ISL9110IRT7EVAL1Z,  
ISL9110IRTAEVAL1Z Evaluation Board User Guide”  
• See AN1647 “ISL9112IRTNEVAL1Z, ISL9112IRT7EVAL1Z  
EvaluationBoard User Guide”  
100  
95  
VIN  
=
ISL9110IRTNZ  
1.8V TO 5.5V  
5
4
PVIN  
LX1  
90  
C1  
L1  
10µF  
V
= 5V  
2.2µH  
IN  
2
1
6
10  
9
8
7
VIN  
LX2  
85  
80  
75  
70  
VOUT  
=
MODE VOUT  
EN  
3.3V/1A  
C2  
10µF  
BAT  
PG  
12  
V
= 3V  
STATUS  
OUTPUTS  
IN  
FB  
V
= 2.5V  
IN  
V
= 3.3V  
OUT  
0.01  
0.05  
0.25  
1.25  
I
(A)  
OUT  
FIGURE 1. TYPICAL APPLICATION  
FIGURE 2. EFFICIENCY  
July 13, 2012  
FN7649.2  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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