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Número de pieza | XRP9710 | |
Descripción | Dual 6A Programmable Power Module | |
Fabricantes | Exar | |
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No Preview Available ! XRP9710 and XRP9711
Dual 6A Programmable Power Module
January 2014
GENERAL DESCRIPTION
The XRP9710 and XRP9711 are programmable
step down power modules providing two 6A
outputs. The module package contains the
switching controller, power MOSFETs,
inductors and support components. As a
result, external components are minimal. A
wide input voltage range (4.75V to 5.5V or
5.5V to 22V) allows for single supply operation
from standard power rails.
The modules measure only 12x12x2.75mm
making it half the size of competing 12V
capable 6Amp modules. The 2.75mm height
allows them to be placed on the back of
boards or under heat sinks where other
solutions cannot, yet they contain two full 6A
buck power stages and two Digital Pulse Width
Modulator (DPWM) controllers with gate
drivers. Designed to operate at a constant
PWM switching frequency between 500kHz and
750kHz, the Digital Pulse Frequency Mode
(DPFM) results in better than 80% efficiency
at light load currents and low operating
current allow for portable and Energy Star
compliant applications. Each XRP9710 or
XRP9711 output can be individually
programmed to as low as 0.6V with a
resolution as fine as 2.5mV, and configurable
for precise soft start and soft stop sequencing,
including delay and ramp control.
The XRP9710/1 is fully controlled via a SMBus-
compliant I2C interface allowing for advanced
local and/or remote reconfiguration, full
performance monitoring and reporting as well
as fault handling.
Built-in output over-voltage, over-
temperature, over-current and under voltage
lockout protections insure safe operation
under abnormal operating conditions.
The XRP9710/1 is offered in a RoHS
compliant, halogen-free LGA package.
Rev. 1.0.1
FEATURES
• XRP9710 – Dual 6A Outputs with
Differential Sensing
• XRP9711 – Dual 6A Outputs with
Control for Two External Power Stages
• 12 x 12 x 2.75mm LGA Package
• Wide Input Voltage Range: 4.75V to
22V
− Low Range: 4.75V to 5.5V
− High Range: 5.5V-22V
• Output Voltage Range: 0.6V to 5.5V
• SMBus Compliant - I2C Interface
− Full Power Monitoring and Reporting
• 3 x 15V Capable PSIOs + 2 x GPIOs
• Full Start/Stop Sequencing Support
• Built-in Thermal, Over-Current, UVLO
and Output Over-Voltage Protections
• On-Board 5V Standby LDO
• On-Board Non-volatile Memory
• CISPR22 Level B radiated emissions
• PowerArchitect™ 5.1 or later Design
Tool
APPLICATIONS
• Servers
• Base Stations
• Switches/Routers
• Broadcast Equipment
• Industrial Control Systems
• Automatic Test Equipment
• Video Surveillance Systems
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
1 page XRP9710 and XRP9711
Dual 6A Programmable Power Module
VOLTAGE FEEDBACK ACCURACY AND OUTPUT VOLTAGE SET POINT RESOLUTION
Parameter
VOUT Regulation Accuracy
Low Output Range
0.6V to 1.6V
PWM Operation
VOUT Regulation Accuracy
Mid Output Range
0.6V to 3.2V
PWM Operation
VOUT Regulation Accuracy
High Output Range
0.6V to 5.5V
PWM Operation
VOUT Regulation Range
VOUT Native Set Point
Resolution
Min.
-5
-20
-7.5
-22.5
-15
-45
-20
-50
-30
-90
-40
-100
0.6
VOUT Fine Set Point Resolution1
VOUT Input Resistance
VOUT Input Resistance in PFM
Operation
Power Good and OVP Set Point
Range (from set point)
Power Good and OVP Set Point
Accuracy
-155
-310
-620
-5
-10
-20
Typ.
12.5
25
50
2.5
5
10
120
90
75
10
1
0.67
Max.
5
20
7.5
22.5
15
45
20
50
30
90
40
100
5.5
157.5
315
630
5
10
20
Units
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
mV
mV
kΩ
MΩ
mV
mV
Conditions
• 0.6 ≤ VOUT ≤ 1.6V
0.6 ≤ VOUT ≤ 1.6V
• VCC=LDO5
• 0.6 ≤ VOUT ≤ 3.2V
0.6 ≤ VOUT ≤ 3.2V
• VCC=LDO5
• 0.6 ≤ VOUT ≤ 5.5V
0.6 ≤ VOUT ≤ 4.2V
• VCC=LDO5
• Without external divider network
Low Range
Mid Range
High Range
Low Range
Mid Range
High Range
Low Range
Mid Range
High Range
Low Range
Mid Range
High Range
Low Range
Mid Range
High Range
Low Range
Mid Range
High Range
Note 1: Fine Set Point Resolution not available in PFM
© 2014 Exar Corporation
5/36
Rev. 1.0.1
5 Page XRP9710 PIN ASSIGNMENT
XRP9710 and XRP9711
Dual 6A Programmable Power Module
NC 1
NC 2
NC 3
NC 4
NC 5
25
PVOUT3
30
LX3
26
PGND3
31
LX3
27
PVIN
32
PVIN
28
PVIN
33
PVIN
NC 6
34
LDO5
35
36
37 38
NC 7
AGND
AGND
LX4 PGND4
NC 8
NC 9
39
40 41
LX4 PVOUT4
NC 10
42 43
44 45
LX4 PVOUT4
ENABLE 11
AGND
VCC 12 13 14 15 16 17 18 19 20 21 22 23
Figure 5 XRP9710 Pin Assignment, Top View
© 2014 Exar Corporation
11/36
Rev. 1.0.1
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet XRP9710.PDF ] |
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