EP5368QI Datasheet, PDF (5/12 Pages) Enpirion, Inc. – 600mA Synchronous Buck Regulator With Integrated Inductor

April 2008
PARAMETER
Feedback Pin Voltage
Feedback Pin Input Current
VS0-VS1, Enable Voltage
Threshold
VS0-VS2 Pin Input Current
Operating Frequency
PFET On Resistance
NFET On Resistance
V_OUT Accuracy
Line Regulation
Load Regulation
Soft-Start Operation
Soft-Start Slew Rate
Time to 90% V_out
SYMBOL
V_FB
I_FB
V_TH
I_VSX
F_OSC
R_DS(ON)
R_DS(ON)
V_OUT
V_ss
T_ss
TEST CONDITIONS
Pin = Low
Pin = High
T_A = 25°C 2.4V ≤ V_IN ≤ 5.5V
-40°C ≤ T_A ≤ +85°CV (all causes)
2.4V ≤ V_IN ≤ 5.5V
0A ≤ I_LOAD ≤ 700mA
Vout = 3.3V
EP5368QI
MIN
0.0
1.4
-2%
-3%
TYP
0.603
1
4
340
270
0.0566
0.0003
1.5
2.2
MAX
100
0.4
V_IN
+2%
+3%
UNITS
V
nA
nA
MHz
mΩ
mΩ
%/V
%/ mA
mV/µS
mS
Typical Performance Characteristics
100
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70
Load Current (A)
100
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70
Load Current (A)
Efficiency, V_IN = 3.3V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V
Efficiency, V_IN = 3.7V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V
100
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70
Load Current (A)
Efficiency, V_IN = 5V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V, 3.3V
Transient, V_IN = 3.6V, V_OUT = 1.2V, Load = 0-500mA
©Enpirion 2008 all rights reserved, E&OE
5
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