EUP3408
Absolute Maximum Ratings
Input Supply Voltage ----------------------------------------------------------- -0.3V to 6V
EN, V
FB
Voltages -------------------------------------------------------------- -0.3V to V
IN
P-Channel Switch Source Current (DC) ----------------------------------------------- 1A
N-Channel Switch Sink Current (DC) --------------------------------------------------- 1A
Peak SW Sink and Source Current --------------------------------------------------
1.6A
Operating Temperature Range ----------------------------------------------- -40°C to 85°C
Junction Temperature ------------------------------------------------------------------- 125°C
Storage Temperature ------------------------------------------------------- -65°C to 150°C
Lead Temp (Soldering, 10sec) -------------------------------------------------------
260°C
Electrical Characteristics
Unless otherwise specified, T
A
=25°C, V
IN
=3.6V.
Symbol
V
IN
I
VFB
I
Q
I
SHDN
I
PK
V
FB
V
OUT
∆V
OUT
∆V
FB
V
LOADREG
f
OSC
R
PFET
R
NFET
I
LSW
V
EN
I
EN
Parameter
Input Voltage Range
Feedback Current
Quiescent Current
Shutdown Current
Peak Inductor Current
Regulated Output Voltage
Output Voltage Line
Regulation
Reference Voltage Line
Regulation
Output Voltage Load
Regulation
Oscillator Frequency
R
DS(ON)
of P-Channel FET
R
DS(ON)
of N-Channel FET
SW Leakage Current
EN Threshold
EN Leakage Current
Conditions
EUP3408
Min
Typ
Max.
2.5
±30
5.5
270
1.05
0.588
-3
0.25
0.25
0.5
1.2
1.5
700
0.28
0.30
0.3
1.0
0.4
0.4
±1
1.5
1
1.8
1.25
0.6
0.612
3
0.4
0.4
370
1
Unit
V
nA
µA
µA
A
V
%
%/V
%/V
%
MHz
kHz
Ω
Ω
µA
V
µA
V
FB
=0.5V or V
OUT
=90%, SW Open
V
EN
=0V, V
IN
= 4.2V
V
IN
=3V, V
FB
=0.5V or V
OUT
=90%
I
LOAD
=0
V
IN
=2.5V to 5.5V, I
LOAD
=0
V
IN
=2.5V to 5.5V
I
LOAD
= 0mA to 800mA
V
FB
=0.6V or V
OUT
=100%
V
FB
=0V or V
OUT
=0V
I
SW
=200mA
I
SW
=-200mA
V
EN
=0V, V
SW
=0V or 5V, V
IN
=5V
Regulated Feedback Voltage (Note 1)
Note 1: The EUP3408 is tested in a proprietary test mode that connects V
FB
to the output of the error amplifier.
DS3408 Ver1.2
Nov. 2007
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
