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PDF EUP2410OIR1 Data sheet ( Hoja de datos )
| Número de pieza | EUP2410OIR1 | |
| Descripción | 500KHz Synchronous Step-up Converter | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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EUP2410
1.6A, 500KHz Synchronous
Step-up Converter
DESCRIPTION
The EUP2410 is a highly efficient, synchronous, fixed
frequency, current-mode step-up converter with output to
input disconnect. When EUP2410 is disabled, the internal
conduction path from SW to OUT is fully blocked and the
OUT pin is isolated from the battery. This output disconnect
feature reduces the shutdown current to typically only 50nA.
The 500KHz switching frequency allows for smaller external
components producing a compact solution for a wide range
of load currents. Highly integration and internal
compensation network minimizes as 5 external components,
N-Channel switch and P-Channel Synchronous switch
integration will greatly improve converter efficiency.
Internal soft-start function also reduce inrush current. The
EUP2410 regulates the output voltage up to 6V from either a
2-cell NiMH/NiCd or a single-cell Li-Ion battery.
The EUP2410 is offered in a thin SOT23-5 package.
FEATURES
Over 90% Efficiency
1.6A Typical Switch Current Limit
500KHz Fixed Switching Frequency
Output to Input Disconnect at Shutdown Mode
Internal Synchronous Rectifier
Internal Soft-Start
Internal Compensation
50nA Shutdown Current
Thermal Shutdown
5-Pin TSOT-23 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
GPS PND
Handheld Digital Audio
Digital Still and Video Cameras
White LED Flash
Typical Application Circuit
DS2410 Ver 1.1 Mar. 2012
Figure1. 5V Typical Application Circuit
1
1 page  
Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
EUP2410
Typical Operating Characteristics
Operating Conditions： VIN = 2.4V, VOUT = 3.5V, CIN=10uF, COUT = 10µF, L1=4.7µH, R1 =178KΩ, R2 =100KΩ
Efficiency vs Load Current
1
0.9
0.8
0.7
0.6
0.5
0.4 Vin=2.4V
Vin=3.0V
0.3
1 10 100 1000
LOAD CURRENT(mA)
3.6
3.4
3.2
3
2.8
2.6
2.4
0
Load Regulation
500 1000
Load Current (mA)
1500
3.5
3.495
3.49
3.485
Line Regulation
ILoad=0mA
ILoad=400mA
Continuous Mode Operation
ILOAD=20mA
VSW
VOUT
IINUCTOR
3.48
1.8 2.3 2.8 3.3
Vin(V)
Continuous Mode Operation
ILOAD=400mA
VSW
VOUT
IINUCTOR
Transient Response
ILOAD=40mA to 400mA Step
ILOAD
VOUT
DS2410 Ver 1.1 Mar. 2012
5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet EUP2410OIR1.PDF ] | |
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