eup3409 Eutech Microelectronics Inc, eup3409 Datasheet - Page 4

• Manufacturer Part Number: eup3409
• Description: Dual 1.5mhz, 800ma Synchronous Step-down Converter
• Manufacturer: Eutech Microelectronics Inc

Note 1: The EUP3409 is tested in a proprietary test mode that connects FBX to the output of the error amplifier.
∆V
Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
V
Symbol
DS3409 Ver1.0 Jan. 2008
∆V
INX
R
I
∆V
R
LOADREG
I
f
V
SHDN
V
V
I
I
LSW
OSC
NFET
I
PFET
FB
PK
Q
EN
FB
IN
OUT
=V
FB
ENX
Input Voltage Range
Feedback Current
Each converter Supply Current
Each converter Shutdown Current V
Peak Inductor Current
Regulator Feedback Voltage
(Note 1)
Output Voltage Line Regulation
Reference Voltage Line
Regulation
Output Voltage Load Regulation
Each converter Oscillator
Frequency
R
R
SW Leakage Current
EN Threshold
=3.6V, T
DS(ON)
DS(ON)
V
V
V
Junction Temperature --------------------------------------------------------------------- 125°C
Storage Temperature ----------------------------------------------------------- -65°C to 150°C
Lead Temp (Soldering, 10sec) -------------------------------------------------------
Supply Voltage, V
Output Voltage, V
Operating Temperature --------------------------------------------------------- -40°C to 85°C
INX
SWX
FBX
of P-Channel FET
of N-Channel FET
A
=25°C, Unless otherwise specified.
to GND ------------------------------------------------------------------------- -0.3V to 6V
,V
Parameter
to GND --------------------------------------------------------------- -0.3V to V
ENX
to GND --------------------------------------------------------------- -0.3V to V
OUTX
INX
-----------------------------------------------------------
----------------------------------------------------------
V
V
T
-40℃≤ T
V
V
I
V
V
I
I
V
-40℃≤ T
LOAD
SWX
SWX
A
FBX
ENX
INX
INX
INX
FBX
FBX
ENX
=25℃
=200mA
= -200mA
=3V,V
=2.5V to 5.5V, I
=2.5V to 5.5V
=0.5V, SWX Open
=0.6V
=0
=0V, V
=0V, V
=0 to 800mA
A
A
4
≤ 85℃
≤ 85℃
FBX
Conditions
INX
SWX
=0.5V
=4.2V
=0 or 5V, V
LOAD
=0
INX
=5V
0.588
0.585
Min
1.05
2.5
1.2
0.3
2.5V to 5.5V
EUP3409
EUP3409
0.6V to 5V
Typ
1.25
0.25
0.25
0.28
INX
±30
270
0.6
0.6
0.5
1.5
0.7
0.3
1.0
260°C
+0.3V
INX
Max.
0.612
0.615
370
5.5
0.4
0.4
1.8
0.4
0.4
1.5
±1
1
Unit
MHz
%/V
%/V
nA
µA
µA
µA
%
V
A
V
Ω
Ω
V