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Eutech Microelectronics

EUP2624A Datasheet Preview

EUP2624A Datasheet

750kHz/1.2MHz Step-up DC/DC Converter

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EUP2624A
750kHz/1.2MHz Step-up DC/DC Converter
DESCRIPTION
The EUP2624A is a high performance current mode, PWM
step-up converter with pin selectable operating frequency.
With an internal 2.6A, 200mMOSFET, it can generate
12V at up to 500mA output current from a 5V supply. The
selectable 750kHz and 1.2MHz allows smaller inductors
and faster transient response. An external compensation pin
gives the user greater flexibility in setting loop
compensation allowing the use of low ESR Ceramic output
capacitors. Soft-start is controlled with an external
capacitor, which determines the input current ramp rate
during start-up.
When shut down, it draws10µA of current and can
operate down to 2.5V input supply. These features along
with 1.2MHz switching frequency makes it an ideal device
for portable equipment.
The EUP2624A is available in 8-pin MSOP or TDFN
3mm × 3mm packages. The device is specified for
operation over the full -40°C to +85°C temperature range.
FEATURES
90% Efficiency
2.6A, 200mPower MOSFET
2.5V to 5.5V Input Range
Adjustable Output Voltage up to 12V
750kHz/1.2MHz Switching Frequency Selection
Adjustable Soft-Start
Internal Thermal Protection
Small 8 Pin MSOP or TDFN 3mm × 3mm Packages
RoHS Compliant and 100% Lead (Pb)-Free
Halogen-Free
APPLICATIONS
DSL Modems
Set-Top Boxes
PCMCIA Cards
Portable Equipment
Handheld Devices
Typical Application Circuit
DS2624A Ver1.2 Apr. 2012
Figure 1. 5V to 12V Step-Up
1




Eutech Microelectronics

EUP2624A Datasheet Preview

EUP2624A Datasheet

750kHz/1.2MHz Step-up DC/DC Converter

No Preview Available !

EUP2624ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
Package
Type
Pin Configurations
Package
Type
Pin Configurations
MSOP-8
TDFN-8
Pin Description
PIN MSOP-8
COMP
1
FB
SHDN
GND
SW
2
3
4
5
VIN 6
FSEL
7
SS 8
TDFN-8
1
2
3
4
5
6
7
8
DESCRIPTION
Compensation pin. Output of the internal error amplifier. Capacitor and
resistor from COMP pin to ground.
Voltage feedback pin. Internal reference is 1.24V NOMINAL. Connect a
resistor divider from VOUT. VOUT=1.24V (1+R1/R2).
Shutdown control pin. Pull SHDN low to turn off the device.
Analog and power ground.
Power switch pin. Switch connected to the drain of the internal power
MOSFET.
Analog power input pin.
Frequency select pin. When FSEL is connected to GND, switching
frequency is set to 750kHz. When connected to VIN, switching frequency is
set to 1.2MHz
Soft-start control pin. Connect a capacitor to control the converter start-up
DS2624A Ver1.2 Apr. 2012
2


Part Number EUP2624A
Description 750kHz/1.2MHz Step-up DC/DC Converter
Maker Eutech Microelectronics
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EUP2624A Datasheet PDF






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