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Eutech Microelectronics

EUP3467 Datasheet Preview

EUP3467 Datasheet

CC/CV Mode Step-Down Converter

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EUP3467
4A, CC/CV Mode Step-Down Converter
DESCRIPTION
The EUP3467 is a step-down converter capable of
driving 4A continuous load with excellent line and
load regulation. The EUP3467 operates in either CC
(Constant Current) mode or CV (Constant Voltage)
mode with an input voltage range from 8V to 36V. The
EUP3467 provides programmable cable compensation
by adjusting external resistor divider. The EUP3467
stops switching when the output reaches over voltage
threshold which is programmed by external resistor
divider.
Fault protection includes secondary cycle-by-cycle
current limit, short circuit protection and thermal
shutdown. In shutdown mode the regulator draws 3ยตA
of supply current. Internal soft-start minimizes the
inrush supply current and the output overshoot at initial
startup.
The EUP3467 is available in SOP-8 (EP) package.
FEATURES
8V to 36V Wide Input Operating Range
40V Input Voltage Surge
Fixed 80kHz Switching Frequency
CC/CV Mode Control
Up to 4A Output Current
+/- 1% Voltage Reference Accuracy
+/- 4% Constant Current Accuracy
Programmable Cable Compensation
Internal Soft Start
Output Over Voltage Protection
Foldback Short Circuit Protection
Secondary Cycle-by-Cycle Current Limit
Thermal Shutdown
Available SOP-8 (EP) Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
Car Charger
Portable charger applications
DC/DC converters with current limited
Typical Application Circuit
DS3467 Ver0.1 Sep. 2013
Figure 1. Application Circuit
1




Eutech Microelectronics

EUP3467 Datasheet Preview

EUP3467 Datasheet

CC/CV Mode Step-Down Converter

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Pin Configurations
Package Type
Pin Configurations
EUP3467
SOP-8 (EP)
Pin Description
Pin Name SOP-8 (EP)
DESCRIPTION
GND
FB
ISEN-
ISEN+
SW
1 Ground.
2 Output Feedback Input.
3 Current sense negative input pin.
4 Current sense positive input pin.
5 Power Switcher Output.
VIN 6 Input Supply Pin.
OVEN
7
OV (output over voltage) threshold setting pin. Drive OVEN voltage logic high to
turn off the converter.
COMP
Thermal
Pad
8 Loop compensation pin.
- SW (Thermal Pad must be connected to the SW pin).
DS3467 Ver0.1 Sep. 2013
2


Part Number EUP3467
Description CC/CV Mode Step-Down Converter
Maker Eutech Microelectronics
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EUP3467 Datasheet PDF






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