EN5312QI Просмотр технического описания (PDF) - Altera Corporation
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EN5312QI Datasheet PDF : 16 Pages
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Electrical Characteristics
NOTE: TA = 25°C unless otherwise noted. Typical values are at VIN = 3.6V, CIN = 4.7µF, COUT=10µF.
NOTE: VIN must be greater than VOUT + 0.6V.
EN5312QI
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Operating Input Voltage
V IN
Using VID
2.4
Using External Divider (VFB)1
2.4
Under Voltage Lockout
UVLO Hysteresis
VUVLO VIN going low to high
VOUT Initial Accuracy (VID)
VOUT Variation for all
Causes (VID)
Feedback Pin Voltage
V OUT
V OUT
V FB
2.4V ≤ VIN ≤ 5.5V, ILOAD = 100mA;
TA = 25C
2.4V ≤ VIN ≤ 5.5V, ILOAD = 0 - 1A,
TA = -40°C to +85°C
2.4V ≤ VIN ≤ 6.6V, ILOAD = 100mA
TA = 25C; VSO=VS1=VS2=1
-2.0
-3.0
0.591
Feedback Pin Voltage
2.4V ≤ VIN ≤ 6.6V, ILOAD = 0 - 1A,
V FB
TA = -40°C to +85°C;
VSO=VS1=VS2=1
0.585
Feedback Pin Input Current
Dynamic Voltage Slew
Rate†
I FB
V slew
1.24
Output Current
Shut-Down Current
Quiescent Current
I OUT
I SD
Enable = Low
No switching
1000
PFET OCP Threshold
I LIM
2.4V ≤ VIN ≤ 6.6V,
0.6V ≤ VOUT ≤ VIN – 0.6V
1.4
VS0-VS1 Thresholds
V TH
Pin = Low
Pin = High
0.0
1.4
VS0-VS2 Pin Input Current
I VSX
Enable Voltage Threshold
Logic Low
Logic High
0.0
1.4
Enable Pin Input Current
Operating Frequency
PFET On Resistance
NFET On Resistance
Typical inductor DCR
I EN
F OSC
R DS(ON)
R DS(ON)
VIN = 3.6V
Soft-Start Operation
VOUT Soft Start Slew Rate†
Soft Start Rise Time
∆VSS
∆T SS
VID Mode 2
VFB mode 2
1.24
0.80
1. See Section “Application Information” for specific circuit requirements
2. Measured from when VIN ≥ VUVLO & ENABLE pin crosses its logic High threshold
† Parameter guaranteed by design.
TYP
2.2
0.145
0.603
0.603
1
1.65
0.75
800
2
1
2
4
340
270
.110
1.65
1.10
MAX
5.5
6.6
2.3
+2.0
UNITS
V
V
V
V
%
+3.0
%
0.615
V
0.621
V
nA
2.1
V/mS
mA
µA
µA
A
0.4
V IN
nA
0.2
V IN
V
µA
MHz
mΩ
mΩ
Ω
2.1
V/mS
1.40
mS
04535
5
December 14, 2015
www.altera.com/enpirion
Rev E
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