EUP3410/3411
Absolute Maximum Ratings (1)
Input Voltage (V
IN
)
------------------------------------------------------------ -0.3V to 30V
Switch Voltage (V
SW
) ------------------------------------------------------ -1V to V
IN
+0.3V
Boot Strap Voltage (V
BS
) ------------------------------------------------ V
SW
-0.3V to V
SW
+6V
All Other Pins --------------------------------------------------------------------- -0.3V to 6V
Junction Temperature ------------------------------------------------------------------- 150°C
Storage Temperature
------------------------------------------------------ -65°C to +150°C
Lead Temp (Soldering, 10sec) -------------------------------------------------------
260°C
Thermal Resistance
θ
JA
(SOP-8) ----------------------------------------------------- 90°C/W
Thermal Resistance
θ
JA
(MSOP-10) --------------------------------------------- 61.11°C/W
Recommend Operating Conditions (2)
Supply Voltage (V
IN
) ------------------------------------------------------------- 4.5V to 16V
Operating Temperature Range ----------------------------------------------- -40°C to +85°C
Note (1): Stress beyond those listed under “Absolute Maximum Ratings” may damage the device.
Note (2): The device is not guaranteed to function outside the recommended operating conditions
Electrical Characteristics
Unless otherwise specified, V
EN
=5V, V
IN
=12V ,T
A
=+25°C.
Parameter
Feedback Voltage
Upper Switch On Resistance
Lower Switch On Resistance
Upper Switch Leakage
Switch Peak Current Limit
Oscillator Frequency
Short Circuit Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Enable Threshold
Input Undervoltage Lockout
Threshold Rising
Input Undervoltage Lockout
Threshold Hysteresis
Input Overvoltage Lockout Threshold
Shutdown Supply Current
Operating Supply Current
Soft-Start Current (EUP3411)
Thermal Shutdown
Conditions
4.5V
≤
V
IN
≤
16V
EUP3410/3411
Min
Typ
Max
1.162
1.200
0.17
6.8
3
380
45
90
0
0.95
2.5
110
1.236
Unit
V
Ω
Ω
µA
A
KHz
KHz
%
%
V
V
mV
V
EN
=0V, V
SW
=0V
2.4
320
V
FB
=0V
V
FB
=1V
V
FB
=1.5V
0.7
2
5
440
1.4
3
V
EN
=0V
V
FB
=1.4V
V
SS
=0V
22
25
0.45
5.2
160
36
0.7
V
µA
mA
uA
°C
DS3410/3411
Ver1.2
Nov. 2008
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
