ep5352q Enpirion, ep5352q Datasheet - Page 6

• Manufacturer Part Number: ep5352q
• Description: 500/600/800ma Synchronous Buck Regulators With Integrated Inductor
• Manufacturer: Enpirion

March 2007
Typical Performance Characteristics
©Enpirion 2007 all rights reserved, E&OE
V
V
10mV/Div
10mV/Div
out
out
I
I
500mA/Div
500mA/Div
V
V
50mV/Div
50mV/Div
Load
Load
out
out
100
100
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
50
50
Output Ripple
Output Ripple
Transient Response
Transient Response
50
50
V
V
V
V
I
I
V
V
V
V
Output Cap = 10 µF 0805
Output Cap = 10 µF 0805
load
load
IN
IN
OUT
OUT
IN
IN
OUT
OUT
= 5.0V
= 5.0V
= 100mA to 800mA
= 100mA to 800mA
= 3.6V
= 3.6V
= 3.3V
= 3.3V
Efficiency vs Output Current
Efficiency vs Output Current
= 3 .3V
= 3 .3V
150
150
150
150
Efficiency vs Output Current
Efficiency vs Output Current
250
250
250
250
Load Current (mA)
Load Current (mA)
Load Current (mA)
Load Current (mA)
200ns/Div
200ns/Div
20µs/Div
20µs/Div
350
350
350
350
V
V
OUT
OUT
V
V
V
V
OUT
OUT
= 1.8V
= 1.8V
OUT
OUT
V
V
= 1.2V
= 1.2V
OUT
OUT
V
V
= 2.5V
= 2.5V
V
V
= 1.8V
= 1.8V
OUT
OUT
OUT
OUT
450
450
450
450
V
V
V
V
= 2.5V
= 2.5V
OUT
OUT
= 2.7V
= 2.7V
OUT
OUT
V
V
V
V
V
V
OUT
OUT
OUT
OUT
= 3.0V
= 3.0V
= 2.7V
= 2.7V
IN
IN
V
V
= 3.0V
= 3.0V
IN
IN
= 3.3V
= 3.3V
= 5.0V
= 5.0V
= 3.3V
= 3.3V
550
550
550
550
6
V
V
10mV/Div
10mV/Div
I
I
500mA/Div
500mA/Div
V
V
50mV/Div
50mV/Div
Load
Load
out
out
out
out
Enable
Enable
2V/Div
2V/Div
V
V
1V/Div
1V/Div
out
out
100
100
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
50
50
Transient Response
Transient Response
Start up Waveform
Start up Waveform
V
V
V
V
V
V
V
V
I
I
Output Ripple
Output Ripple
load
load
IN
IN
OUT
OUT
IN
IN
OUT
OUT
V
V
V
V
Output Cap = 2 x 10 µF 0805
Output Cap = 2 x 10 µF 0805
= 5.0V
= 5.0V
IN
IN
OUT
OUT
= 3.3V
= 3.3V
= 100mA to 800mA
= 100mA to 800mA
= 3.3V
= 3.3V
= 1.8V
= 1.8V
Efficiency vs Output Current
Efficiency vs Output Current
= 3.6V
= 3.6V
150
150
= 3.3V
= 3.3V
Load Current (mA)
Load Current (mA)
250
250
EP5382Q/EP5362Q/EP5352Q
200µs/Div
200µs/Div
20µs/Div
20µs/Div
200ns/Div
200ns/Div
350
350
V
V
OUT
OUT
V
V
= 1.8V
= 1.8V
OUT
OUT
V
V
= 2.5V
= 2.5V
450
450
OUT
OUT
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V
V
OUT
OUT
= 2.7V
= 2.7V
V
V
V
V
OUT
OUT
= 3.0V
= 3.0V
IN
IN
= 3.3V
= 3.3V
= 3.6V
= 3.6V
550
550