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AS1330 PDF预览

AS1330

更新时间: 2022-03-04 04:50:52
品牌 Logo 应用领域
艾迈斯 - AMSCO 转换器升压转换器
页数 文件大小 规格书
16页 1498K
描述
4MHz, Low Voltage, DC-DC Step-Up Converter

AS1330 数据手册

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Datasheet  
AS1330  
4MHz, Low Voltage, DC-DC Step-Up Converter  
1 General Description  
2 Key Features  
Input Voltage Range: 0.6V to 3.0V  
Adjustable Output Voltage Range: 1.8V to 3.3V  
Fixed Output Voltage: 1.8V, 3.0V  
0.85V Low Start-Up Voltage  
The AS1330 is a synchronous, low voltage, high  
efficiency DC-DC boost converter running at a constant  
frequency of 4MHz. This very high oscillator frequency  
allows the usage of a very a small and low profile  
inductor with only 470nH. This results in a board space  
requirement of only 43mm² for the complete solutions  
including all external components.  
AS1330 generates an output voltage between 1.8 and  
3.3V from input voltages down to 0.6V. Therefore it is  
ideal for application powered by a single cell battery.  
AS1330 provides an output current of 150mA @ 3.3V  
from a single cell.  
To support high efficiency across the entire load range  
the AS1330 is equipped with a synchronous rectifier and  
features a power save mode for light loads.  
To avoid harmful deep discharge of the battery during  
shutdown the AS1330 is equipped with an output  
disconnect function.  
4MHz Fixed-Frequency  
91% Efficiency  
Delivers 150mA @ 3.3V (from Single AA Cell)  
Automatic Powersave Operation for light Loads  
Output Disconnect during Shutdown  
Anti-Ringing Control minimizes EMI  
Power Okay and Sense pin  
TDFN (2x2mm) 8-pin Package  
AS1330 can either monitor the battery voltage (Sense  
pin) or report the status of the output voltage (POK).  
The AS1330 is available in a TDFN (2x2mm) 8-pin pack-  
age.  
3 Applications  
The AS1330 is ideal for space critical applications where  
ultra-small size is critical as in medical diagnostic equip-  
ment, hand-held instruments, digital cameras, MP3 play-  
ers, GPS receivers, and PC or Memory cards.  
Figure 1. AS1330 - Typical Application Diagram  
L1  
SW  
VOUT  
1.8V  
AA Battery  
VIN  
VOUT  
C1  
C2  
AS1330-1.8  
POK  
FB  
On  
Off  
EN  
SENSE  
GND  
www.austriamicrosystems.com/DC-DC_Step-Up/AS1330  
Revision 1.04  
1 - 16  

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