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ISL9113ER7Z-T

更新时间: 2024-11-09 00:55:39
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瑞萨 - RENESAS /
页数 文件大小 规格书
15页 1003K
描述
Low Input Voltage and High Efficiency Synchronous Boost Converter with 1.3A Switch

ISL9113ER7Z-T 数据手册

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DATASHEET  
ISL9113  
FN8313  
Rev 3.00  
February 23, 2015  
Low Input Voltage and High Efficiency Synchronous Boost Converter with 1.3A  
Switch  
The ISL9113 provides a power supply solution for devices  
Features  
powered by three-cell alkaline, NiCd, NiMH or one-cell  
• Up to 95% efficiency at typical operating conditions  
Li-Ion/Li-Polymer batteries. It offers either a fixed 5V or an  
adjustable output option for USB-OTG or portable HDMI  
applications. The device is guaranteed to supply 500mA from  
a 3V input and 5V output and has a typical 1.3A peak current  
limit. High 1.8MHz switching frequency allows for the use of  
tiny, low-profile inductors and ceramic capacitors to minimize  
the size of the overall solution.  
• Input voltage range: 0.8V to 4.7V  
• Output current: Up to 500mA (VBAT = 3.0V, VOUT = 5.0V)  
• Low quiescent current: 20μA (typical)  
• Logic control shutdown (IQ < 1µA)  
• Fixed 5V, 5.1V or adjustable output  
• 1.2V EN high logic  
The ISL9113 is an internally compensated, fully integrated  
synchronous converter optimized for efficiency with minimal  
external components. At light load, the device enters skip  
mode and consumes only 20µA of quiescent current, resulting  
in higher efficiency at light loads and maximum battery life.  
• Output disconnect during shutdown  
• Skip mode under light load condition  
• Undervoltage lockout  
The device is available in an 8 Ld DFN package and a 6 bump  
WLCSP.  
• Fault protection: OVP (ADJ version only), OTP, short circuit  
• 8 Ld 2mmx2mm DFN package and 6 bump  
0.8mmx1.36mm WLCSP  
Related Literature  
AN1816, “ISL9113ERAZ-EVZ, ISL9113ER7Z-EVZ Evaluation  
Board User Guide”  
Applications  
• Products including portable HDMI and USB-OTG  
• Smartphones  
• Tablet and mobile internet devices  
100  
V
= 4.2V  
BAT  
V
= 3.6V  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
BAT  
V
= 3.0V  
BAT  
2.2µH  
VOUT  
=
8
5V/500mA  
SW  
2
3
VBAT =  
VOUT  
NC  
0.8V TO 4.7V  
7
5
VBAT  
EN  
V
= 2.3V  
BAT  
V = 1.2V  
BAT  
4.7µF  
4.7µF  
1
6
PGND  
AGND  
1k  
VFAULT  
4
FAULT  
V
= 5.0V  
OUT  
0.0001  
0.001  
0.01  
LOAD CURRENT (A)  
0.1  
1
FIGURE 1. TYPICAL APPLICATION (ISL9113ER7Z)  
FIGURE 2. FIXED 5V EFFICIENCY (ISL9113ER7Z)  
FN8313 Rev 3.00  
February 23, 2015  
Page 1 of 15  

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