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Eutech Microelectronics

EUP2570 Datasheet Preview

EUP2570 Datasheet

1MHz Boost Regulator

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EUP2570
1MHz Boost Regulator with 18V
Integrated FET Switch in Tiny SOT-23
DESCRIPTION
The EUP2570 switching regulator is a current-mode
boost converter operating at fixed frequency of 1MHz.
It is designed for small LCD bias supply and others
micropower step-up applications. The 18V switch
allows for output voltage as high as 17V. The
integrated 0.19power switch and 2A current limit
will provide high efficiency over a wide range of load
conditions with high power density.
The EUP2570 integrated multiple protections, such as
OC, UVLO, OT, OVP, which will prevent damage in
the event of an output overload.
The EUP2570 is available in the tiny SOT23-5
package to provide the best solution for PCB space
saving and total BOM cost.
FEATURES
2.6V to 5.5V Input Range
18V Output Over Voltage Protection
Internal Soft-Start
Adjustable Output Voltage
Internal 0.1918V MOSFET Switch
1MHz Switching Frequency
2A Current Limit
Low-Profile Inductors and Capacitors
Peak Efficiency Up to 88%
Available in TSOT23-5 Package
RoHS Compliant and 100% Lead (Pb)-Free
Halogen-Free
APPLICATIONS
LCD Panel Bias Supplies
Local Boost Regulator
Digital Camera
Portable Applications
Typical Application Circuit
Figure 1. EUP2570 Typical 12V Application
DS2570 Ver1.0 Feb. 2012
1




Eutech Microelectronics

EUP2570 Datasheet Preview

EUP2570 Datasheet

1MHz Boost Regulator

No Preview Available !

Block Diagram
EUP2570Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
Package Type
TSOT23-5
Figure 2. Block Diagram
Pin Configurations
Pin Description
PIN TSOT23-5
1 SW
2 GND
3 FB
4 EN
5 IN
DESCRIPTION
Switch Pin. This is the drain of the internal power switch. Connect inductor/diode here.
Minimize trace area at this pin to reduce EMI.
Common Ground. Connect the pin to ground plane.
Feedback Pin. Reference voltage is 1.25V, Connects to the external resistive divider.
Chip Enable Pin. Connect it to 1.4V or higher voltage to enable device, 0.3V or less
voltage to disable device.
Input Supply Voltage.
DS2570 Ver1.0 Feb. 2012
2


Part Number EUP2570
Description 1MHz Boost Regulator
Maker Eutech Microelectronics
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EUP2570 Datasheet PDF






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