EUP2595
Electrical Characteristics (Continued)
(VIN
=
3V, Lin
=
22µH, CIN
=
2.2µ, COUT
=
0.1µ, CCOMP
=
0.1µF, RSENSE
=
13ꢀ, 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
Min
Max.
Vcomp=1V
20
52
85
µS
CS-to-COMP Transconductance
OSCILLATOR
Operating Frequency
0.78
1
12
0
1.25
MHz
%
PWM Mode
Pulse Skipping
CTRL=IN , CS=GND
Minimal Duty Cycle
Maximum Duty Cycle
N-CHANNEL SWITCH
LX On-Resistance
LX Leakage Current
LX Current Limit
93.5
0.35
550
95
97.2
%
Ω
µA
mA
0.86
1.40
1
1720
Vlx=32V, CTRL=GND
Maximum Duty Cycle
1150
DS2595 Ver1.1 Aug. 2008
5