eup3408 Eutech Microelectronics Inc, eup3408 Datasheet - Page 4

• Manufacturer Part Number: eup3408
• Description: 1.5mhz, 800ma Synchronous Step-down Converter With Soft Start
• Manufacturer: Eutech Microelectronics Inc

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