en5330 Enpirion, en5330 Datasheet - Page 3

• Manufacturer Part Number: en5330
• Description: 3a Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor
• Manufacturer: Enpirion

July 2007
Typical Efficiency
Efficiency versus load, V
Waveforms
Load Transient, V
Start up waveform, ENABLE, V
©Enpirion 2007 all rights reserved, E&OE
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
0.5
0.5
I
OUT
V
V
IN
IN
slew rate = 10A/µS
= 5.0V
= 5.0V
ENABLE
ENABLE
1
1
IN
Load Current (A)
Load Current (A)
= 5.0V, V
1.5
1.5
IN
= 5.0V; V
2
2
OUT
OUT
= 1.2V, 0 – 3A.
, POK Timing.
POK
POK
2.5
2.5
OUT
V
V
OUT
OUT
= 0.8V – 3.3V.
3
3
1.8V
1.8V
1.5V
1.5V
1.2V
1.2V
3.3V
3.3V
2.5V
2.5V
0.8V
0.8V
3
Efficiency versus load, V
Load Transient, V
Output Voltage Ripple, V
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
I
0.5
0.5
OUT
V
V
slew rate = 10A/µS
IN
IN
= 3.3V
= 3.3V
1
1
IN
= 5.0V, V
Load Current (A)
Load Current (A)
1.5
1.5
IN
IN
= 5.0V, V
= 3.3V; V
OUT
2
2
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= 3.3V, 0 – 3A.
OUT
OUT
2.5
2.5
= 0.8V – 2.5V.
= 1.2V.
3
3
0.8V
0.8V
2.5V
2.5V
1.8V
1.8V
1.5V
1.5V
1.2V
1.2V