en5322 Enpirion, en5322 Datasheet - Page 3

• Manufacturer Part Number: en5322
• Description: 2 A Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor
• Manufacturer: Enpirion

March 2008
Note 1: The tolerances hold true only if V
Note 2: VFB, ENABLE, VS0-VS2 pin input current specification is guaranteed by design.
©Enpirion 2008 all rights reserved, E&OE
Output Voltage with VID
Codes (Note 1)
VFB Voltage
Dynamic Voltage Slew Rate
Soft Start Slew Rate
VFB, ENABLE, VS0-VS2
Pin Input Current (Note 2)
ENABLE, VS0-VS2 Voltage
Threshold
POK Upper Threshold
POK Upper Threshold
POK Lower Threshold
POK Lower Threshold
POK Low Voltage
POK Pin V
Current
Shutdown Current
Quiescent Current
Quiescent Current
Current Limit Threshold
PFET On Resistance
NFET On Resistance
Dropout Resistance
Operating Frequency
Output Ripple Voltage
PARAMETER
OH
Leakage
V
SYMBOL
V
F
RIPPLE
V
OUT
OSC
FB
IN
I
2.4 V ≤ V
-40°C ≤ T
2.4 V ≤ V
VS0 = VS1 = VS2 = 1,
-40°C ≤ T
-40°C ≤ T
Logic Low
Logic High
V
V
V
V
I
POK High, -40°C ≤ T
ENABLE Low
No Switching
Switching, V
2.4 V ≤ V
-40°C ≤ T
C
V
C
V
LOAD
SINK
is greater than (V
VS2 VS1 VS0 VOUT (V)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
0
0
0
0
1
1
1
= 5 mA, -40°C ≤ T
= 100 mA, VS0 = VS1 = VS2 = 1
Rising
Falling
Rising
Falling
= 1.2 V, I
= 1.2 V, I
= 1 x 47 µF 1206 X5R MLCC,
= 2 x 22 µF 0805 X5R MLCC,
0
0
1
1
0
0
1
IN
IN
IN
A
A
A
A
TEST CONDITIONS
≤ 5.5 V, I
≤ +85°C
≤ 5.5 V, I
≤ +85°C
≤ +85°C
≤ 5.5 V,
≤ +85°C
OUT
0
1
0
1
0
1
0
LOAD
LOAD
= 1.2 V
3.3
2.5
1.8
1.5
1.25
1.2
0.8
OUT
3
= 2 A
= 2 A
LOAD
LOAD
A
+ V
≤ +85°C
A
≤ +85°C
= 0 ~ 2 A,
= 0 ~ 2 A,
DROPOUT
).
0.582
0.975
0.975
MIN
-3.0
-3.0
-3.0
-3.0
-3.0
-3.0
-3.5
0.0
1.4
2.1
0.600
TYP
0.15
111
102
800
160
200
1.5
1.5
92
90
17
15
3.0
60
14
4
8
www.enpirion.com
2.025
2.025
0.618
+/-40
MAX
+3.0
+3.0
+3.0
+3.0
+3.0
+3.0
+3.0
500
300
0.4
V
0.4
IN
EN5322QI
UNITS
mV
mV
V/ms
V/ms
MHz
mΩ
mΩ
mΩ
mA
nA
nA
µA
µA
%
%
%
%
%
V
V
V
A
P-P
P-P