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| 型号： | ISL9111EHADJZ-T7A |
| 厂商： | Intersil |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ 1A 6SOT23-6 |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.5 V ~ 5.25 V |
| 输入电压： | 0.8 V ~ 5.05 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.2MHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 是 |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 其它名称： | ISL9111EHADJZ-T7ADKR |
Low Input Voltage, High Efficiency Synchronous Boost
Converter with 1A Switch
ISL9111, ISL9111A
The ISL9111 and ISL9111A provide a power supply solution
for single-cell, dual-cell, or three-cell alkaline, NiCd or NiMH
battery-powered applications. The device has a typical 0.8V
start-up voltage and is capable of supplying up to 5.25V output
voltage. Both devices are guaranteed to supply 100mA from a
single-cell input and 240mA from a dual-cell input when
output is 3.3V. High 1.2MHz switching frequency allows for the
use of tiny, low-profile inductors and ceramic capacitors to
minimize the size of the solution.
The ISL9111 and ISL9111A are internally compensated, fully
integrated synchronous boost converters 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.
The ISL9111 and ISL9111A address both rechargeable and
non-rechargeable battery applications. The ISL9111 has a
UVLO feature, which will internally shut off at 0.7V protecting a
rechargeable battery. The ISL9111A has this feature disabled
to maximize the usable life of a non-rechargeable single cell
battery. The parts are available in fixed 3.0V, 3.3V and 5.0V
output voltage versions or an adjustable output voltage version
(ADJ). The fixed output voltage version also provides a FAULT
pin for fault condition monitoring. The ISL9111 and ISL9111A
are available in a 6 Ld SOT-23 package.
Features
? Up to 97% Efficiency at Typical Operating Conditions
? Minimum Start-up Voltage
- 0.8V (ISL9111)
- 0.6V (ISL9111A)
? Minimum Operating Voltage
- 0.7V (ISL9111)
- 0.5V (ISL9111A)
? Low Quiescent Current: 20 μ A (Typical)
? At V OUT = 3.3V
- 100mA Output Current @ V IN = 0.9V
- 240mA Output from @ V IN = 1.8V
? Logic Control Shutdown (Iq < 1μA)
? Output Voltage Up to 5.25V
? Output Disconnect During Shutdown
? Skip Mode Under Light Load Condition
? Undervoltage Lockout (ISL9111 Only)
? Fault Protection: OVP (ADJ Version Only), OTP, Short Circuit
? 6 Ld SOT-23 Package
Applications
? Products Including Portable HDMI and USB-OTG
? Personal Medical Products
? Wireless Mouse/Keyboard
? Bluetooth Headsets
? MP3/MP4 Players/DSC
? Single-cell, Dual-cell and Triple-cell Alkaline, NiCd, NiMH
Powered Products
4.7μH
1
100
95
90
V IN = 3.6V
VIN
4.7μF
6
3
VIN
EN
SW
VOUT
5
VOUT
4.7μF
85
80
75
70
V IN = 1.8V
V IN = 0.9V
V FLT
1k
4
FAULT
GND
2
65
60
55
ISL9111: 3.0/3.3/5.0V, ISL9111A: 3.0/3.3/5.0V
50
0.1
1
10
100
1000
I OUT (mA)
FIGURE 1. TYPICAL APPLICATION
FIGURE 2. FIXED 5V EFFICIENCY
June 4, 2012
FN7602.4
1
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. 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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相关代理商/技术参数 |
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| ISL9111H30ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111H33ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111H50ZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111HADJZEVAL1Z | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch |
| ISL9111IH33Z-T | 制造商:Intersil Corporation 功能描述:LOW INPUT VOLTAGE PWM/PFM STEP UP REGULATOR, 3.3V, 6LD SOT23 - Tape and Reel |
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