EUP2595
Absolute Maximum Ratings
IN to GND -------------------------------------------------------------------------- -0.3V to 6V
PGND to GND ---------------------------------------------------------------------- -0.3V to 0.3V
LX,OUT to GND ------------------------------------------------------------------- -0.3V to 35V
CTRL to GND -------------------------------------- -0.3V to the lower of 6V or (VIN +0.5V)
COMP,CS to GND ---------------------------------------------------------- -0.3V to (VIN +0.3V)
ILX ------------------------------------------------------------------------------------- 1A
Thermal Resistance
TDFN-8 -------------------------------------------------------------------------------- 50°C /W
Junction Temperature ---------------------------------------------------------------- 150°C
Storage Temperature Range ------------------------------------------------------ -65°C to 150°C
Lead Temperature (Soldering, 10sec.) --------------------------------------------- 260°C
Recommended Operating Conditions
Supply Voltage, VIN ---------------------------------------------------------------- 2.6V to 5.5V
Operating Temperature Rang ----------------------------------------------------- -40°C to 85°C
Electrical Characteristics
(
VIN
=
3V, Lin
=
22µH, CIN
=
2.2µ, COUT
=
0.1µ, CCOMP
=
0.1µF, RSENSE
=
13
ꢀ
,
VCTRL
=
1.5V,
T =-40°C to +85°C, unless otherwise noted. Typical values are at T =25°C.
)
A
A
EUP2595
Typ
Parameter
Conditions
Unit
V
Min
2.6
Max.
5.5
Supply Voltage
VIN Rising
VIN Falling
2.23
2.20
2.40
2.35
30
350
0.15
33.5
31.3
2.20
15
2.60
2.55
UVLO Threshold
V
UVLO Hysteresis
Quiescent Current
Shutdown Supply Current
mV
µA
µA
No Switching, VCTRL=VCS=1V
VOUT1=V+, EN1=EN2=GND
Rising
Falling
700
1.50
35
32.8
32
30
OVLO Threshold
OVLO Hysteresis
V
V
VOUT=32V,VCTRL> 0.24V
25
1
OUT Input Bias Current
µA
VOUT=VIN, CTRL=GND
VIN-VD
290
32
Output Voltage Range
ERROR AMPLIFIER
V
300
310
1
850
245
mV
µA
kΩ
CTRL to CS Regulation
CS Input Bias Current
CTRL Input Resistance
CTRL Dual-Mode Threshold
VCTRL
VCS
0<VCTRL< 1V
=
1.5V, VIN
= 2.6V to 5.5V
=
VCTRL/5
290
125
530
190
mV
CS Maximum Brightness
VCTRL
=
3V
310
330
347
35
mV
Clamp Voltage
COMP Input Resistance to
Ground
kΩ
In Shutdown, UVLO or OVLO
12.8
23.3
DS2595 Ver1.1 Aug. 2008
4
EUTECH [ EUTECH MICROELECTRONICS INC ]
