en5336 Enpirion, en5336 Datasheet - Page 6

• Manufacturer Part Number: en5336
• Description: 3a Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor External Output Voltage Programming
• Manufacturer: Enpirion

Rev 1.0 November 2006
Typical Performance Characteristics
Efficiency versus Load, V
Load transient, 0 – 3A, V
Start-up waveform, V
©Enpirion 2006 all rights reserved, E&OE
V
V
IN
IN
=5.0V
=5.0V
9 5
9 5
9 0
9 0
8 5
8 5
8 0
8 0
70
70
6 5
6 5
6 0
6 0
50
50
75
75
55
55
0.1
0.1
0.3
0.3
0.5
0.5
0.7
0.7
0.9
0.9
1.1
1.1
1.3
1.3
Lo a d C urre nt ( A )
Lo a d C urre nt ( A )
1.5
1.5
1.7
1.7
IN
1.9
1.9
/V
2.1
2.1
IN
OUT
IN
/V
2.3
2.3
= 5.0V
OUT
= 5.5V/1.2V
2.5
2.5
2.7
2.7
= 5.5V/1.2V
2.9
2.9
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 3.3V
= 3.3V
= 2.5V
= 2.5V
= 1.8V
= 1.8V
= 1.5V
= 1.5V
= 1.2V
= 1.2V
Efficiency versus Load, V
Load transient, 0 – 3A, V
Shut-down waveform, V
V
V
IN
IN
=3.3V
=3.3V
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
6
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9
Lo a d C urre nt ( A )
Lo a d C urre nt ( A )
IN
IN
IN
/V
= 3.3V
/V
OUT
OUT
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= 5.5V/1.2V
= 5.5V/3.3V
V
V
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
EN5336QI
= 2.5V
= 2.5V
= 1.8V
= 1.8V
= 1.5V
= 1.5V
= 1.2V
= 1.2V
= 0.8V
= 0.8V