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PDF A7530 Data sheet ( Hoja de datos )
| Número de pieza | A7530 | |
| Descripción | PFM STEP-UP DC-DC CONVERTER | |
| Fabricantes | Advanced Innovation Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A7530 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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PFM STEP-UP DC-DC CONVERTER
WITH HIGH EFFICIENCY AND LOW NOICE
A7530
Description
A7530 is CMOS-based PFM step-up DC-DC
converter. The converter can start up by
supply voltage as low as 0.8V, and capable of
delivering maximum 200mA output current at
3.3V output with 1.8V input voltage.
Quiescent current drawn from power source is
as low as 7uA. All of these features make
A7530 be suitable for the portable devices,
which are supplied by a single battery for
four-cell batteries.
To reduce the noise caused by the switch
regulator, A7530 is well considerate in circuit
design and manufacture. So that the
interferer to other circuits by the device is
reduced greatly.
The A7530 integrates stable reference circuits
and trimming technology, so it can afford high
precision and low temperature-drift coefficient
of the output voltage.
The A7530 is available in SOT-23 and SOT-25
package. And in SOT-25 package, the
device can be switch on or off easily by CE pin
to minimize the standby supply current.
Ordering Information
E3 SOT-23
PN: A7530E3-XXY
E5 SOT-25
PN: A7530E5-XXY
XX: Output voltage
1: Internal Tr. Driver, W/O Enable Circuit
Note Y 2. Internal Tr. Driver, W/Enable Circuit
3. External Tr. Driver, W/O Enable Circuit
4. External Tr. Driver, W/Enable Circuit
Advanced Innovation Technology Corp.
www.ait-ic.com
Features
Deliver 200mA at 3.3V Output Voltage with
1.8V Input Voltage
Low Start-Up Voltage @1mA:0.8V
The Converter 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/oC
Only Three External Components are needed:
an Inductor, a Schottky Diode and an Output
Filter Capacitor.
High Power Conversion Efficiency: 85%
Low Quiescent Current Drawn from Power
Source: <7uA
Application
Portable Source for PDA, DSC, MP3 Player,
Electronic Toyu and Wireless Mouse
Power Source for a Single or Dual-Cell
Battery-Powered Equipments
Power Source for LED
Pin Assignment
Page
Rev
1/9
1.0
Free Datasheet http://www.Datasheet4U.com
1 page  
PFM STEP-UP DC-DC CONVERTER
WITH HIGH EFFICIENCY AND LOW NOICE
A7530
Advanced Innovation Technology Corp.
www.ait-ic.com
Page
Rev
5/9
1.0
Free Datasheet http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet A7530.PDF ] | |
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