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ISL9112IRTNZ-T7A PDF预览

ISL9112IRTNZ-T7A

更新时间： 2024-11-20 14:51:39
品牌 Logo 应用领域
瑞萨 - RENESAS 光电二极管
页数 文件大小 规格书
21页 1374K
描述
1.2A High Efficiency Buck-Boost Regulator; DFN12; Temp Range: -40° to 85°C

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ISL9112IRTNZ-T7A 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-T7A 数据手册

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DATASHEET  
ISL9110, ISL9112  
1.2A High Efficiency Buck-Boost Regulators  
FN7649  
Rev.3.00  
Jul 26, 2018  
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.  
Features  
• Accepts input voltages above or below regulated output  
voltage  
• Automatic and seamless transitions between Buck and  
Boost modes  
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.  
• Input voltage range: 1.8V to 5.5V  
• Output current: Up to 1.2A  
• 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  
The ISL9112 supports a broader set of programmable features  
that may be accessed using an I C bus interface. With a  
2
• Small 3mmx3mm TDFN Package  
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  
For a full list of related documents, visit our website  
• ISL9110, ISL9112 product pages  
V
=
100  
95  
IN  
ISL9110IRTNZ  
1.8V TO 5.5V  
5
PVIN  
LX1  
C
10µF  
1
L1  
2.2µH  
90  
6
10  
9
V
= 5V  
V
VIN  
LX2  
IN  
1
V
=
OUT  
85  
80  
75  
70  
MODE  
EN  
VOUT  
3.3V/1A  
8
V
= 3V  
C
BAT  
PG  
12  
2
IN  
= 2.5V  
STATUS  
OUTPUTS  
IN  
FB  
7
10µF  
V
= 3.3V  
GND PGND  
11  
OUT  
0.01  
0.05  
0.25  
1.25  
3
I
(A)  
OUT  
FIGURE 2. EFFICIENCY  
FIGURE 1. TYPICAL APPLICATION  
FN7649 Rev.3.00  
Jul 26, 2018  
Page 1 of 21  
1234567...21

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