EN5322QI
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ILOAD = 100 mA, VS0 = VS1 = VS2 = 1
Output Voltage with VID
Codes (Note 1)
2.4 V ≤ VIN ≤ 5.5 V, ILOAD = 0 ~ 2 A,
-40°C ≤ TA ≤ +85°C
VS2 VS1 VS0 VOUT (V)
+3.0
+3.0
+3.0
+3.0
+3.0
+3.0
+3.0
0
0
0
0
1
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
3.3
2.5
1.8
1.5
1.25
1.2
0.8
-3.0
-3.0
-3.0
-3.0
-3.0
-3.0
-3.5
VOUT
%
2.4 V ≤ VIN ≤ 5.5 V, ILOAD = 0 ~ 2 A,
VS0 = VS1 = VS2 = 1,
VFB Voltage
VFB
0.582
0.600
0.618
V
-40°C ≤ TA ≤ +85°C
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
0.975
0.975
1.5
1.5
2.025
2.025
V/ms
V/ms
+/-40
nA
V
-40°C ≤ TA ≤ +85°C
Logic Low
Logic High
VOUT Rising
VOUT Falling
VOUT Rising
VOUT Falling
0.0
1.4
0.4
VIN
111
102
92
90
0.15
%
%
%
%
V
0.4
ISINK = 5 mA, -40°C ≤ TA ≤ +85°C
POK Pin VOH Leakage
Current
500
nA
POK High, -40°C ≤ TA ≤ +85°C
Shutdown Current
Quiescent Current
Quiescent Current
ENABLE Low
No Switching
Switching, VOUT = 1.2 V
2.4 V ≤ VIN ≤ 5.5 V,
-40°C ≤ TA ≤ +85°C
17
800
15
μA
μA
mA
Current Limit Threshold
2.1
3.0
A
PFET On Resistance
NFET On Resistance
Dropout Resistance
Operating Frequency
160
60
200
4
mΩ
mΩ
mΩ
300
FOSC
MHz
COUT = 1 x 47 μF 1206 X5R MLCC,
14
8
mVP-P
mVP-P
VOUT = 1.2 V, ILOAD = 2 A
Output Ripple Voltage
VRIPPLE
C
OUT = 2 x 22 μF 0805 X5R MLCC,
VOUT = 1.2 V, ILOAD = 2 A
Note 1: The tolerances hold true only if VIN is greater than (VOUT + VDROPOUT).
Note 2: VFB, ENABLE, VS0-VS2 pin input current specification is guaranteed by design.
©Enpirion 2008 all rights reserved, E&OE
3
www.enpirion.com
03454
4/24/2009
Rev:A
ENPIRION [ ENPIRION, INC. ]
