ep5368 Enpirion, ep5368 Datasheet - Page 5

• Manufacturer Part Number: ep5368
• Description: 600ma Synchronous Buck Regulator With Integrated Inductor
• Manufacturer: Enpirion

April 2008
Typical Performance Characteristics
Efficiency, V
©Enpirion 2008 all rights reserved, E&OE
Efficiency, V
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
Line Regulation
Load Regulation
Soft-Start Operation
Soft-Start Slew Rate
Time to 90% V
OUT
100
95
90
85
80
75
70
65
60
55
50
100
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
95
90
85
80
75
70
65
60
55
50
Accuracy
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
PARAMETER
IN
IN
= 5V, V
out
= 3.3V, V
OUT
OUT
Load Current (A)
= 1.2V, 1.5V,1.8V, 2.5V, 3.3V
Load Current (A)
= 1.2V, 1.5V,1.8V, 2.5V
SYMBOL
R
R
F
V
I
DS(ON)
DS(ON)
V
V
V
T
I
VSX
OSC
OUT
FB
FB
TH
ss
ss
Pin = Low
Pin = High
T
-40°C ≤ T
2.4V ≤ V
0A ≤ I
Vout = 3.3V
A
= 25°C 2.4V ≤ V
LOAD
TEST CONDITIONS
IN
A
≤ 700mA
≤ 5.5V
≤ +85°CV (all causes)
5
IN
Efficiency, V
Transient, V
≤ 5.5V
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
IN
IN
= 3.6V, V
= 3.7V, V
-2%
-3%
MIN
0.0
1.4
Load Current (A)
OUT
OUT
0.0566
0.0003
= 1.2V, Load = 0-500mA
0.603
= 1.2V, 1.5V,1.8V, 2.5V
TYP
340
270
1.5
2.2
1
4
www.enpirion.com
MAX
+2%
+3%
100
0.4
V
IN
EP5368QI
%/ mA
UNITS
mV/µS
%/V
MHz
mΩ
mΩ
mS
nA
nA
V