March 2007
EN5312QI
SYMBOL
PARAMETER
TEST CONDITIONS
VSO=VS1=VS2=1
MIN
TYP
MAX
UNITS
Feedback Pin Input Current
IFB
1
nA
2.4V ≤ VIN ≤ 5.5V, ILOAD = 0 - 1A,
TA = -40°C to +85°C
VS2 VS1 VS0 VOUT(V)
Output Voltage with VID
Preset Codes.
-3.0
-3.0
-3.0
-3.0
-3.0
-3.0
-3.0
+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
NOTE: VS Pins must not be
left floating
VOUT
%
2.4V ≤ VIN ≤ 5.5V, ILOAD = 0 - 1A,
TA = -40°C to +85°C
VSO=VS1=VS2=1
V
Feedback Pin Voltage
VFB
0.585
0.603
0.621
Line Regulation
Load Regulation
Dynamic Voltage Slew Rate
Output Current
Shut-Down Current
Quiescent Current
2.4V ≤ VIN ≤ 5.5V
0A ≤ ILOAD ≤ 1A
.05
.0003
1.65
%/V
%/mA
V/mS
mA
µA
µA
Vslew
IOUT
ISD
1000
1.4
Enable = Low
No switching
2.4V ≤ VIN ≤ 5.5V,
0.6V ≤ VOUT ≤ VIN – 0.6V
Pin = Low
0.75
800
PFET OCP Threshold
ILIM
2
A
0.0
1.4
0.4
VIN
VS0-VS1 Thresholds
VTH
IVSX
Pin = High
VS0-VS2 Pin Input Current
Enable Voltage Threshold
1
nA
V
Logic Low
Logic High
VIN = 3.6V
0.0
1.4
0.2
VIN
Enable Pin Input Current
Operating Frequency
PFET On Resistance
NFET On Resistance
Typical inductor DCR
Soft-Start Operation
Time to 90% Vout
IEN
FOSC
RDS(ON)
RDS(ON)
2
4
340
270
.110
µA
MHz
mΩ
mΩ
Ω
Tss
Vout = 3.3V
2
mS
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5
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ENPIRION [ ENPIRION, INC. ]
