English
Language : 

EP53A7HQI Datasheet, PDF (4/19 Pages) Altera Corporation – 1A PowerSoC Light Load Mode Buck Regulator with Integrated Inductor
EP53A7LQI/EP53A7HQI
Electrical Characteristics
NOTE: TA = -40°C to +85°C unless otherwise noted. Typical values are at TA = 25°C, VIN = 3.6V.
CIN = -4.7µF MLCC, COUT = 10µF MLCC
PARAMETER
Operating Input Voltage
Under Voltage Lock-out –
VIN Rising
Under Voltage Lock-out –
VIN Falling
Drop Out Resistance
Output Voltage Range
Dynamic Voltage Slew
Rate
VID Preset VOUT Initial
Accuracy
Feedback Pin Voltage
Initial Accuracy
Line Regulation
Load Regulation
Temperature Variation
Output Current
Shut-down Current
EP53A7HQI Operating
Quiescent Current
SYMBOL
VIN
VUVLO_R
TEST CONDITIONS
VUVLO_F
RDO
VOUT
VSLEW
∆VOUT
VFB
∆VOUT_LINE
∆VOUT_LOAD
∆VOUT_TEMPL
IOUT
ISD
IQ
Input to Output Resistance
EP53A7LQI (VDO = ILOAD X RDO)
EP53A7HQI
EP53A7LQI
EP53A7HQI
TA = 25°C, VIN = 3.6V;
ILOAD = 100mA ;
0.8V ≤ VOUT ≤ 3.3V
TA = 25°C, VIN = 3.6V;
ILOAD = 100mA ;
0.8V ≤ VOUT ≤ 3.3V
2.4V ≤ VIN ≤ 5.5V
0A ≤ ILOAD ≤ 1000mA
-40°C ≤ TA ≤ +85°C
Enable = Low
ILOAD=0; Preset Output Voltages,
LLM=High
MIN
2.4
0.6
1.8
TYP
2.0
MAX UNITS
5.5
V
V
1.9
V
350
500
mΩ
V IN- V DO
3.3
V
4
8
V/mS
-2
+2
%
.588
0.6
0.612
V
0.03
0.6
30
1000
0.75
55
%/V
%/A
ppm/°C
mA
µA
µA
EP53A7LQI Operating
Quiescent Current
IQ
OCP Threshold
Feedback Pin Input
Current
VS0-VS2, Pin Logic Low
VS0-VS2, Pin Logic High
VS0-VS2, Pin Input
Current
Enable Pin Logic Low
Enable Pin Logic High
Enable Pin Current
ILIM
IFB
VVSLO
VVSHI
IVSX
VENLO
VENHI
IENABLE
LLM Engage Headroom
LLM Pin Logic Low
LLM Pin Logic High
VLLMLO
VLLMHI
ILOAD=0; Preset Output Voltages,
LLM=High
65
µA
2.4V ≤ VIN ≤ 5.5V
0.6V ≤ VOUT ≤ 3.3V
1.25
1.4
A
Note 1
<100
nA
Note 1
0.0
0.3
V
1.4
VIN
V
<100
nA
Note 1
0.3
V
1.4
V
<100
nA
Minimum difference between VIN
and VOUT to ensure proper LLM
700
mV
operation
0.3
V
1.4
V
01543
4
October 11, 2013
www.altera.com/enpirion
Rev D