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ISL91110IINZ-T7A

更新时间： 2024-09-20 00:56:51
品牌 Logo 应用领域
瑞萨 - RENESAS 开关
页数 文件大小 规格书
12页 797K
描述
High Efficiency Buck-Boost Regulator with 4.5A Switches

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ISL91110IINZ-T7A 技术参数

生命周期：Unknown零件包装代码：QFN, WLCSP
包装说明：VFBGA,针数：20, 25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.67其他特性：ALSO REQUIRE PFM CONTROL TECHNIQUE
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：1.8 V
标称输入电压：3.6 VJESD-30 代码：R-PBGA-B25
JESD-609代码：e1长度：2.33 mm
湿度敏感等级：1功能数量：1
端子数量：25最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：3 A
标称输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装形状：RECTANGULAR
封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度（摄氏度）：260
座面最大高度：0.59 mm表面贴装：YES
切换器配置：BUCK-BOOST最大切换频率：2500 kHz
温度等级：INDUSTRIAL端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：0.4 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：40
宽度：2.07 mmBase Number Matches：1

ISL91110IINZ-T7A 数据手册

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DATASHEET  
ISL91110  
FN8434  
Rev 4.00  
February 5, 2016  
High Efficiency Buck-Boost Regulator with 4.5A Switches  
The ISL91110 is a high-current buck-boost switching regulator  
for systems using new battery chemistries. It uses Intersil’s  
proprietary buck-boost algorithm to maintain voltage  
regulation while providing excellent efficiency and very low  
output voltage ripple when the input voltage is close to the  
output voltage.  
Features  
• Accepts input voltages above or below regulated output  
voltage  
• Automatic and seamless transitions between buck and  
boost modes  
The ISL91110 is capable of delivering at least 2A continuous  
• Input voltage range: 1.8V to 5.5V  
output current (V  
= 3.3V) over a battery voltage range of  
OUT  
• Output current: up to 2A (PVIN = 2.5V, V  
OUT  
= 3.3V)  
2.5V to 4.35V. This maximizes the energy utilization of  
advanced single-cell Li-ion battery chemistries that have  
significant capacity left at voltages below the system voltage.  
Its fully synchronous low ON-resistance 4-switch architecture  
and a low quiescent current of only 35µA optimize efficiency  
under all load conditions.  
• Burst current: up to 3A (PVIN = 3V, V  
600µs, t = 4.6ms)  
= 3.3V, t <  
ON  
OUT  
• High efficiency: up to 96%  
• 35µA quiescent current maximizes light-load efficiency  
• 2.5MHz switching frequency minimizes external component  
size  
The ISL91110 supports standalone applications with a fixed  
3.3V or 3.5V output voltage or adjustable output voltage with  
an external resistor divider. Output voltages as low as 1.0V or  
as high as 5.2V are supported.  
• Fully protected for short-circuit, over-temperature, and  
undervoltage  
• Small 2.33mmx2.07mm WLCSP  
The ISL91110 is available in a 25-bump, 0.4mm pitch WLCSP  
(2.33mmx2.07mm) and a 2.5MHz switching frequency, which  
further reduces the size of external components.  
Applications  
• Brownout free system voltage for smartphones and tablet  
PCs  
• Wireless communication devices  
• 2G/3G/4G RF power amplifiers  
Related Literature  
• AN1912 “ISL91110IIN-EVZ, ISL91110II2A-EVZ,  
ISL91110IIA-EVZ Evaluation Boards”  
100  
V
= 4.0V  
IN  
ISL91110IINZ  
V
1.8V TO 5.5V  
IN =  
LX1  
95  
90  
85  
80  
75  
PVIN  
C
1
L
1
1µH  
2x10µF  
VOUT = 3.3V  
LX2  
VIN  
EN  
IOUT = UP TO 3A  
V
= 3.6V  
IN  
VOUT  
V
= 3.3V  
IN  
C
2
V
= 3.0V  
IN  
2x22µF  
FB  
MODE  
V
= 2.5V  
IN  
NOTE: Confirm with Intersil Applications Engineer for any deviation  
from a bove circ uit  
1
10  
100  
LOAD CURRENT (mA)  
1000  
FIGURE 1. TYPICAL APPLICATION: V  
OUT  
= 3.3V  
FIGURE 2. EFFICIENCY: V  
OUT  
= 3.3V, T = +25°C  
A
FN8434 Rev 4.00  
February 5, 2016  
Page 1 of 12  
1234567...12

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