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What is EN5394QI?

This electronic component, produced by the manufacturer "Altera", performs the same function as "9A PowerSoC Voltage Mode Synchronous Buck PWM DC-DC Converter".


EN5394QI Datasheet PDF - Altera

Part Number EN5394QI
Description 9A PowerSoC Voltage Mode Synchronous Buck PWM DC-DC Converter
Manufacturers Altera 
Logo Altera Logo 


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Enpirion® Power Datasheet
EN5394QI 9A PowerSoC
Voltage Mode Synchronous
Buck PWM DC-DC Converter
With Integrated Inductor
Description
Typical Application Circuit
The EN5394QI is a Power Supply on a Chip
(PwrSoC) DC to DC converter with integrated
inductor, PWM controller, MOSFETS, and
compensation providing the smallest possible
solution size in a 68 pin QFN module. The
switching frequency can be synchronized to an
external clock or other EN5394QIs with the
added capability of phasing multiple EN5394QIs
as desired. Other features include precision
ENABLE threshold, pre-bias monotonic start-up,
margining, and parallel operation.
EN5394QI is specifically designed to meet the
precise voltage and fast transient requirements
of present and future high-performance
applications such as set-top boxes/HD DVRs,
LAN/SAN adapter cards, audio/video equipment,
optical networking, multi-function printers, test
and measurement, embedded computing,
storage, and servers. Advanced circuit
techniques, ultra high switching frequency, and
very advanced, high-density, integrated circuit
and proprietary inductor technology deliver high-
quality, ultra compact, non-isolated DC-DC
conversion. Operating this converter requires
very few external components.
The Altera Enpirion integrated inductor solution
significantly helps to reduce noise. The complete
power converter solution enhances productivity
by offering greatly simplified board design, layout
and manufacturing requirements.
All Altera Enpirion products are RoHS compliant
and lead-free manufacturing environment
compatible.
VIN
47µF
15nF
PVIN VOUT
AVIN
ENABLE
PGND VFB
SS
OCP_ADJ
PGND
AGND
VOUT
2x47µF
Figure 1: Typical Application Schematic
Features
Integrated Inductor, MOSFETS, Controller in
a 8 x 11 x 1.85mm package
Wide input voltage range of 2.375V to 6.6V.
> 30W continuous output power.
High efficiency, up to 93%.
Output voltage margining
Monotonic output voltage ramp during start-
up with pre-biased loads.
Precision Enable pin for accurate sequencing
of power converters and Power OK signal.
Programmable soft-start time.
Soft Shutdown.
4 MHz operating frequency with ability to
synchronize to an external system clock or
other EN5394’s.
Programmable phase delays between
synchronized units to allow reduction of
input ripple.
Master/slave configuration for paralleling
multiple EN5394’s for greater power output.
Under Voltage Lockout, Over-current, Short
Circuit, and Thermal Protection
RoHS compliant, MSL level 3, 260C reflow.
03738
1
October 11, 2013
www.altera.com/enpirion
Rev E

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EN5394QI equivalent
Electrical Characteristics
NOTE: VIN=5.5V over operating temperature range unless otherwise noted.
Typical values are at TA = 25°C.
PARAMETER
Input Voltage
Under Voltage Lock out
threshold
Shut-Down Supply
Current
Feedback Pin Voltage
Feedback Pin Input Leakage
Current1
Line Regulation
Load Regulation
Temperature Regulation
VOUT Rise Time
Rise Time Accuracy1
Output Dropout
Voltage1
Resistance1
Maximum Continuous
Output Current2
Current Limit Threshold
ENABLE pin:
Disable Threshold
Enable Threshold
ENABLE Lock-out time
ENABLE Pin Input
Current
Switching Frequency
External S_IN Clock
Frequency Lock Range
S_IN Threshold – Low
S_IN Threshold – High
S_OUT Threshold – Low
S_OUT Threshold – High
S_IN Duty Cycle for
External Synchronization1
S_IN Duty Cycle for
Parallel Operation1
Phase Delay vs. S_Delay
Resistor value
SYMBOL
VIN
VUVLOR
VUVLOF
IS
VFB
IFB
VOUT_LINE
VOUT_LOAD
VOUT_TEMP
TRISE
TRISE
VDO
RDO
IOUT_MAX_CONT
IOCP
VDISABLE
VENABLE
tENLO
IENABLE
FSWITCH
FPLL_LOCK
VS_IN_LO
VS_IN_HI
VS_OUT_LO
VS_OUT_HI
SYD C _SY N C
SYDC_PWM
ΦDEL
COMMENTS
VIN Increasing
VIN Decreasing
ENABLE=0V
2.375V ≤ VIN ≤ 6.6V,
ILOAD = 1A; TA = 25°C
2.375V ≤ VIN ≤ 6.6V
0A ≤ ILOAD ≤ 6A
-40°C ≤ TEMP ≤ 85°C
Measured from when VIN VUVLOR
& ENABLE pin crosses logic high
threshold. (4.7nF CSS 100nF)
4.7nF CSS 100nF
VINMIN – VOUT at Full Load
Input to Output Resistance
OCP_ADJ pulled low
2.375V ≤ VIN ≤ 6.6V
ENABLE pin logic low
ENABLE pin logic high
Time for device to re-enable after
a falling edge on ENABLE pin
VIN = 5.5V
Free Running frequency
Frequency Range of S_IN
Input Clock
S_IN Clock low level
S_IN Clock high level
S_OUT Clock low level
S_OUT Clock high level
M/S Pin Float or Low
M/S Pin High
Delay in ns / k
Delay in phase angle / k-
@ 4MHz switching frequency
MIN
2.375
0.588
-5
-25
9
1.00
3.6
1.8
1.8
20
10
TYP
2.2
2.1
250
0.600
0.035
0.04
0.001
CSS x
65k
360
40
14
2
50
4
2
3
EN5394QI
MAX
6.6
UNITS
V
V
µA
0.612
V
5 nA
%/V
%/A
%/°C
+25
720
80
1.0
1.30
4.4
0.8
2.5
0.5
80
90
%
mV
m
A
A
V
ms
µA
MHz
MHz
V
V
V
V
%
%
ns
°
03738
5
October 11, 2013
www.altera.com/enpirion
Rev E


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EN5394QI datasheet


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EN5394QIThe function is 9A PowerSoC Voltage Mode Synchronous Buck PWM DC-DC Converter. AlteraAltera

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