A7531中文资料PDF规格书
A7531规格书详情
DESCRIPTION
A7531 series are CMOS-based PFM step-up DC-DC Controller with low supply current and high output voltage accuracy. Quiescent current drawn from power source is as low as 6uA. It is capable of delivering 500mA output current at 4.0V output with 2V input voltage. Only four external components are necessary: An inductor, a schottky diode, an output filter capacitor and a NMOSFET or a NPN transistor. All of these features make A7531 series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries.
A7531 has a drive pin (EXT) for external transistor. So it is possible to load a large output current with a power transistor which has a low voltage dropout.
A7531 integrates stable reference circuits and trimming technology, so it can afford high precision and low temperature-drift coefficient of the output voltage.
A7531 can be switch on or off easily by EN pin, to minimize the standby supply current.
The A7531 is available in SOT-25 package.
FEATURES
Deliver 500mA at 4 .0V o utput voltage with 2V
input Voltage
The controller output voltage can be adjusted
from 2.5V 6.0V(In 0.1V step)
Output voltage accuracy ±2
Low temperature drift coefficient of the output
voltage ± 100ppm/°C
Only four external components are necessary:
An inductor, a s chottky diode, an output filter
capacitor and a NMOSFET or a NPN transistor
High power conversion efficiency 90
Low quiescent current drawn from power source
6uA
Available in SOT-25 p ackage
APPLICATION
Power source for PDA, DSC, MP3 Player,
electronic toy and wireless mouse
Power source for a single or dual cell
battery po wered equipments
Power source for LED
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
AM |
23+ |
NA/ |
5250 |
原装现货,当天可交货,原型号开票 |
询价 | ||
AMIC |
23+ |
NA |
2995 |
专业电子元器件供应链正迈科技特价代理QQ1304306553 |
询价 | ||
AMIC |
23+ |
QFN |
2995 |
原装正品,假一罚十! |
询价 | ||
AMICCOM/笙科 |
2403+ |
QFN |
11809 |
原装现货!欢迎随时咨询! |
询价 | ||
AMICCOM |
2048+ |
QFN |
9852 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
AMIC |
QFN |
608900 |
原包原标签100%进口原装常备现货! |
询价 | |||
A |
1907+ |
QFN |
5520 |
只有现货原装!特价支持实单!实单请来电说明 |
询价 | ||
AMICCOM |
1948+ |
QFN |
6852 |
只做原装正品现货!或订货假一赔十! |
询价 | ||
AMICCOM |
20+ |
QFN20 |
19570 |
原装优势主营型号-可开原型号增税票 |
询价 | ||
AMIC |
2018+ |
QFN |
6000 |
全新原装正品现货,假一赔佰 |
询价 |