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EC2650QI Datasheet Preview

EC2650QI Datasheet

6A Voltage Divider

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Datasheet - enpirion® power solutions
EC2650QI 6A Voltage Divider
High Efficiency 12V to 6V (33W) Intermediate Bus Converter
DESCRIPTION
The EC2650QI is an Intel® Enpirion® DC-DC
intermediate voltage bus converter with extremely
high efficiency. It integrates low ON-resistance
MOSFET switches and small-signal control circuits in
an advanced 5.5mm x 5.5mm x 0.9mm 36-pin QFN
package.
The EC2650QI generates an output voltage that
tracks one-half of the input voltage and is designed
to power the other Intel Enpirion 6V DC-DC
converters. By using a highly efficient 2-stage
approach with the EC2650QI, smaller size and lower
cost converters may be used without sacrificing total
system efficiency. When multiple rails are involved,
this can greatly reduce precious PCB board space
needed for power regulation.
Intel Enpirion Power Solutions significantly help in
system design and productivity by offering greatly
simplified board design, layout and manufacturing
requirements. In addition, a reduction in the number
of components required for the complete power
solution helps to enable an overall system cost
saving.
All Enpirion products are RoHS compliant and lead-
free manufacturing environment compatible.
FEATURES
High Efficiency (Up to 94%)
Very Thin 12V to 6V Converter Solution
150mm2 Optimized Total Solution Size
5.5mm x 5.5mm x 0.9mm Package
8V to 13.2V Input Voltage Range
Up to 6A Continuous Operating Current
Adjustable Switching Frequency
Master/Slave Parallel Operation (up to 144W)
Input Power OK Indicator
Over-Current, Short Circuit, Thermal Shutdown,
Input OVP and UVLO Protection
RoHS Compliant, MSL Level 3, 260°C Reflow
APPLICATIONS
12V Applications Requiring High Efficiency, Small
Solution Size and High Power Density
Systems with FPGA, ASICs, or ASSPs that Require
Multiple Power Rails
Applications with Multiple Power Rails such as
Industrial, Networking, embedded Computing and
PCIe Cards
12V Industrial and Consumer Applications in
Audio/Video, Home Theater and Tuners
VIN = 12V
3x
22µF
0805
30.1Ω
22µF
0.1µF
PVIN
VOUT
AVIN
PGND
V3P3
EC2650QI
AGND
PGND
FADJ
AGND
M/S
VOUT = 6V
3x
47µF
0805
130kΩ
0.1µF 3x47µF
0805
Figure 1: Simplified Applications Circuit
Efficiency vs. Output Current
100
95
90
85
80
75
70 CONDITIONS
65 VIN = 12V
60 TA = 25°C
55 fsw = 100kHz
50
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
OUTPUT CURRENT (A)
Figure 2: Efficiency vs. Output Current
Page 1
15541
March, 28, 2019
Rev A




Intel

EC2650QI Datasheet Preview

EC2650QI Datasheet

6A Voltage Divider

No Preview Available !

Datasheet | Intel® Enpirion® Power Solutions: EC2650QI
ORDERING INFORMATION
Part Number
Package Markings
EC2650QI
EVB-EC2650QI
EC2650QI
EC2650QI
TJ Rating
Package Description
-40°C to +125°C 36-pin (5.5mm x 5.5mm x 0.9mm) QFN
QFN Evaluation Board
Packing and Marking Information:
https://www.intel.com/content/www/us/en/programmable/support/quality-and-reliability/packing.html
PIN FUNCTIONS
36 35 34 33 32 31 30 29 28
M/S 1
GND 2
NC 3
EN 4
NC 5
VIN_OK 6
GND 7
FADJ 8
V3P3 9
PGND
37
CFLYN
38
VOUT
39
CFLYP
40
PVIN
41
27 CFLYN
26 CFLYN
25 CFLYN
24 VOUT
23 VOUT
22 VOUT
21 CFLYP
20 CFLYP
19 CFLYP
10 11 12 13 14 15 16 17 18
Figure 3: Pin Diagram (Top View)
NOTE A: NC pins are not to be electrically connected to each other or to any external signal, ground or voltage. However,
they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage.
NOTE B: White ‘dot’ on top left is pin 1 indicator on top of the device package.
Page 2
15541
March, 28, 2019
Rev A


Part Number EC2650QI
Description 6A Voltage Divider
Maker Intel
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