EN5360DC ENPIRION [Enpirion, Inc.], EN5360DC Datasheet

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EN5360DC

Manufacturer Part Number
EN5360DC
Description
6A Voltage Mode Synchronous Buck PWM DC-DC Converter
Manufacturer
ENPIRION [Enpirion, Inc.]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EN5360DC
Manufacturer:
ENPIRIO
Quantity:
20 000
Part Number:
EN5360DC-02
Manufacturer:
ENPIR
Quantity:
20 000
Description
This Enpirion EN5360 is a Power System on a Chip
DC-DC converter. It is specifically designed to meet
the precise voltage and fast transient requirements of
present and future high-performance, low-power
processor, DSP, FPGA, memory boards and system
level applications in a distributed power architecture.
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 only
four external components that include small value
input and output ceramic capacitors and a soft-start
capacitor.
The Enpirion EN5360 significantly helps in system
design and productivity by offering greatly simplified
board design, layout and manufacturing requirements.
In addition, a reduction in the number of vendors
required for the complete power solution helps to
enable an overall system cost savings.
Typical Application Circuit
Rev 1.0 – July 2005
V
IN
22µF
22µF
15nF
POK
SS
AGND
PVIN
AVIN
VSENSE
PGND
VOUT
VS0
VS1
VS2
VID Output
Voltage Select
47µF
6A Voltage Mode Synchronous Buck PWM
V
OUT
1
Features
• Up to 20W output power (at V
• External inductor is NOT required
• Lead-Free packaging
• 5MHz operating frequency
• More than 90% efficient
• V
• 1/3 the board area of discrete component solutions
• Very fast transient response
• All high speed switching signals contained inside
• Wide input voltage range of 2.375V to 5.5V
• Digital voltage selector with options for common
• External resistor divider and OVP option for
• Output enable pin and Power OK signal
• Programmable soft-start time
• Over-current protection
• Thermal shutdown, short circuit, output over-
Applications
• Servers, workstations and PCs
• Broadband, networking, LAN/WAN, optical
• Point of load regulation for low-power processors,
• Low voltage, distributed power architectures with
Ordering Information
EN5360DC
EN5360DC-T
EN5360DI
EN5360DI-T
EN5360DC-E
Part Number
temperature
the part
output voltages from 0.8V to 3.3V
output voltages from 0.8V to V
voltage and input under-voltage protection
telecommunications equipment
network processors, DSPs, FPGAs, and ASICs
2.5V, 3.3V or 5V rails
OUT
accuracy of 2% over line, load and
Temp Rating (°C)
-40 to +85
-40 to +85
0 to 70
0 to 70
DFN Evaluation Board
DC-DC Converter
OUT
www.enpirion.com
IN
EN5360
-600mV
48-pin DFN T&R
48-pin DFN T&R
=3.3V)
48-pin DFN
48-pin DFN
Package

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EN5360DC Summary of contents

Page 1

... DSPs, FPGAs, and ASICs VID Output • Low voltage, distributed power architectures with Voltage Select 2.5V, 3. rails V OUT Ordering Information 47µF Part Number EN5360DC EN5360DC-T EN5360DI EN5360DI-T EN5360DC-E 1 EN5360 DC-DC Converter =3.3V) OUT -600mV IN Temp Rating (°C) Package 48-pin DFN 48-pin DFN T&R ...

Page 2

Rev 1.0 – July 2005 Pin Configuration This diagram is a top-view of the component and represents the on-board layout requirements for the landing pads and thermal connection points. Specific dimensions for the pads are presented on page 10. Pin ...

Page 3

Rev 1.0 – July 2005 Typical Efficiency V = 3.3V and V = 2.5V IN OUT 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 0.3 Waveforms 1.0 2.0 3.0 Output Current (A) 3 EN5360 4.0 5.0 6.0 5Vin / 1.2Vout 6A load ...

Page 4

Rev 1.0 – July 2005 Absolute Maximum Ratings CAUTION: Stresses in excess of the absolute maximum ratings may cause permanent damage to the device. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. PARAMETER Input Supply ...

Page 5

Rev 1.0 – July 2005 Electrical Characteristics NOTE: V =3.3V and over operating temperature range unless otherwise noted. Typical values are 25°C. PARAMETER SYMBOL Operating Input V IN Voltage Quiescent Supply I Q Current No-Load Operating I ...

Page 6

Rev 1.0 – July 2005 Pin Descriptions PIN NAME Output of the buffer leading to the error amplifier. Used for external modifications of 1 COMP the compensation network. External feedback voltage input. Option for programming the output voltage with a ...

Page 7

Rev 1.0 – July 2005 PIN NAME VS2 Voltage select line 2 input. See Table 1. 42 ROCP Over-Current trip point adjust input. Used for adjusting the OCP trip point. 43 VS1 Voltage select line ...

Page 8

Rev 1.0 – July 2005 It is recommended that Rb1 and Rb2 resistor values be ~2kΩ. Use the following equation to set the resistor Ra1 for the desired output voltage: − Vout V ...

Page 9

Rev 1.0 – July 2005 Power Up Sequencing The sequencing of AVIN, PVIN and ENABLE should meet the following requirements: 1. ENABLE should not be asserted before PVIN. 2. PVIN should not be applied before AVIN. Note that tying AVIN, ...

Page 10

Rev 1.0 – July 2005 output filter capacitors relative to their respective pins is very critical. The input capacitors should be placed such that they have the lowest inductance traces to PVIN and PGND pins 28-33. The output filter capacitors ...

Page 11

Rev 1.0 – July 2005 Landing Pad Information The Enpirion DFN package is footprint compatible with the JEDEC standard 40-pin TSSOP package code DE that has been extended to 17mm and 48-pins. The reference document and board layout diagram appear ...

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