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PDF AX34063 Data sheet ( Hoja de datos )
| Número de pieza | AX34063 | |
| Descripción | DC-DC Converter Control Circuits | |
| Fabricantes | AXElite | |
| Logotipo |  |
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AX34063
DC-DC Converter Control Circuits
GENERAL DESCRIPTION
The AX34063 Series is a monolithic control circuit containing the primary functions
required for DC-DC converters. These devices consist of an internal temperature
compensated reference, comparator, controlled duty cycle oscillator with an active current
limit circuit, driver and high current output switch. This series was specifically designed to be
incorporated in Step-Down and Step-Up and Voltage-Inverting applications with a minimum
number of external components.
FEATURES
- Operation from 3.0 V to 40 V Input
- Low Standby Current
- Current Limiting
- Output Switch Current to 1.5 A
- Output Voltage Adjustable
- Frequency Operation to 100 KHz
- Precision 2% Reference
BLOCK DIAGRAM
DRC SWC
IPK SWE
VCC TC
CII GND
1/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.0.1 Sep.19, 2011
1 page  
2. Step-Down Converter
AX34063
Test
Line Regulation
Load Regulation
Output Ripple
Short Circuit Current
Efficiency
Output Ripple With Optional Filter
Conditions
VIN=15V to 25V, IO=500mA
VIN=25V, IO=50mA to 500mA
VIN=25V, IO= 500mA
VIN=25V, RL= 0.1Ω
VIN=25V, IO= 500mA
VIN=25V, IO= 500mA
Results
12mV=±0.12%
3.0mV=±0.03%
120 mVpp
1.1A
83.7%
40mVpp
(1) Step-Down witch External NPN
Switch
(2) Step-Down witch External PNP
Switch
5/9
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.0.1 Sep.19, 2011
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet AX34063.PDF ] | |
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