AS1322
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
9 Application Information
The AS1322 is perfectly suited for LED matrix displays, bar-graph displays, instrument-panel meters, dot matrix displays, set-top boxes, white
goods, professional audio equipment, medical equipment, industrial controllers to name a few applications.
Along with Figure 1 on page 1 , Figures 16-19 depict a few of the many applications for which the AS1322 converters are perfectly suited.
Figure 16. Single AA Cell to 3.3V Synchronous Boost Converter with Load Disconnect in Shutdown
L1
4.7μH
1
SW
D1
6
5
V OUT
AA
Battery
C 1
4.7μF
V IN
AS1322
V OUT
C 2
4.7μF
R 3
510k ?
R 1
1.02M ?
3.3V, 160mA
1%
On
4
3
Off
SHDNN
2
GND
FB
R 2
604k ?
1%
Q1
R 3
510k ?
Figure 17. Single Lithium Cell to 5V, 250mA
Optional
L1
2 ?
100nF
Snubber
4.7μH
6
1
SW
D1
5
Lithium
Battery
C 1
V IN
V OUT
C 2
On
Off
4.7μF
4
SHDNN
AS1322
4.7μF
3
FB
R 1
1.02M ? 1%
C 3
100pF
www.ams.com/DC-DC_Step-Up/AS1322
2
GND
Revision 1.10
R 2
332k ? 1%
9 - 18
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相关代理商/技术参数
AS1322_1 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Low Voltage, Micropower, DC-DC Step-Up Converters
AS1322A 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Low Voltage, Micropower, DC-DC Step-Up Converters
AS1322ABTTT 制造商:AMS 功能描述:IC STEP-UP DC/DC CONVERTER 6-SOT-23
AS1322A-BTTT 功能描述:IC REG BOOST SYNC ADJ TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:升压(升压) 输出类型:两者兼有 输出数:1 输出电压:5V,2 V ~ 16.5 V 输入电压:2 V ~ 16.5 V PWM 型:- 频率 - 开关:45kHz 电流 - 输出:50mA 同步整流器:无 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 包装:管件 供应商设备封装:8-PDIP
AS1322A-TT_EK_ST 功能描述:AS1322 - DC/DC, Step Up 1, Non-Isolated Outputs Evaluation Board 制造商:ams 系列:- 零件状态:有效 主要用途:DC/DC,步升 输出和类型:1,非隔离 功率 - 输出:- 电压 - 输出:2.5 V ~ 5 V 电流 - 输出:570mA 电压 - 输入:1 V ~ 5 V 稳压器拓扑:升压 频率 - 开关:1.2MHz 板类型:完全填充 所含物品:板 使用的 IC/零件:AS1322 标准包装:1
AS1322B 制造商:AMSCO 制造商全称:austriamicrosystems AG 功能描述:Low Voltage, Micropower, DC-DC Step-Up Converters
AS1322BBTTT 制造商:AMS 功能描述:IC STEP-UP DC/DC CONVERTER 6-SOT-23
AS1322B-BTTT 功能描述:IC REG BOOST SYNC ADJ TSOT23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON(1.45x1) 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2