en5366 Enpirion, en5366 Datasheet - Page 7

• Manufacturer Part Number: en5366
• Description: 6a Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor External Output Voltage Programming
• Manufacturer: Enpirion

September 2007
Voltage Select Operation
Logic Low
Threshold
Logic High
Threshold
V
Power OK Operation (Open Drain)
POK threshold High
POK threshold low
POK Low Voltage
POK High Voltage
Output Rise Time
V
Accuracy
Parallel Operation
Current Balance
NOTES:
Typical Performance Characteristics
Efficiency vs. Load, V
©Enpirion 2007 all rights reserved, E&OE
Sx
OUT
PARAMETER
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
0
0
Pin Current
2. Maximum output current may need to be de-rated, based on operating condition, to meet T
3. Parameter not production tested but is guaranteed by design. Rise time begins when AVIN > V
Rise Time
0.5
0.5
Enable=HIGH.
1
1
1.5
1.5
2
2
2.5
2.5
Load Current (A)
Load Current (A)
IN
3
3
= 3.3V.; Load = 0-6A.
SYMBOL
3.5
3.5
V
V
∆T
∆I
SX-High
SX-Low
I
VSX
4
4
OUT
RISE
4.5
4.5
V
V
IN
IN
=3.3V
=3.3V
5
5
Threshold voltage for Logic Low
Threshold voltage for Logic High
(internally pulled high; can be left
floating to achieve logic high)
VIN = 5.5V
V
V
V
Percentage of V
Percentage of V
I
T
10nF ≤ C
(Note 3)
With 2 – 4 converters in parallel,
the difference between any 2 parts.
∆V
5.5
5.5
POK
Sx
Sx
Sx
RISE
IN
= GND
= V
= Open
= 4 mA (Max sink Current)
< 50mV; R
= C
TEST CONDITIONS
V
V
V
V
V
V
V
V
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
SS
=2.5V
=2.5V
=1.8V
=1.8V
=1.5V
=1.5V
=1.2V
=1.2V
ss
* 75KΩ;
≤30nF
TRACE
OUT
OUT
Efficiency vs. Load, V
Nominal
Nominal
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
7
< 10mΩ.
0
0
0.5
0.5
1
1
1.5
1.5
2
2
2.5
2.5
Load Current (A)
Load Current (A)
IN
= 5.0V.; Load = 0-6A.
MIN
3
3
-25
1.8
3.5
3.5
4
4
4.5
4.5
+/-10
V
V
TYP
120
IN
IN
50
90
=5.0V
=5.0V
5
5
0
0
5.5
5.5
www.enpirion.com
J
requirements.
UVLO
MAX
+25
V
V
V
V
V
V
V
V
V
V
0.8
V
0.4
V
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
=3.3V
=3.3V
=2.5V
=2.5V
=1.8V
=1.8V
=1.5V
=1.5V
=1.2V
=1.2V
EN5366QI
and
UNITS
µA
%
%
%
%
%
V
V
V