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X80070Q24I

Description
Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20
CategoryPower/power management    The power supply circuit   
File Size263KB,14 Pages
ManufacturerXicor Inc.
Download Datasheet Parametric Compare View All

X80070Q24I Overview

Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20

X80070Q24I Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerXicor Inc.
package instructionVQCCN, LCC20,.20SQ,25
Reach Compliance Codeunknow
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-XQCC-N20
JESD-609 codee0
length5 mm
Number of channels1
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeVQCCN
Encapsulate equivalent codeLCC20,.20SQ,25
Package shapeSQUARE
Package formCHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply12 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)5 mA
Maximum supply voltage (Vsup)14 V
Minimum supply voltage (Vsup)10 V
Nominal supply voltage (Vsup)12 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.65 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width5 mm
New Features
Battery backup mode
Hardshort retry
Over current Filter
Insertion Limits
Selectable Gate Current
Voltage Regulator Output
X80070/71/72/73
Hot Swap Controller with
Advanced Fault Protection and
Voltage Regulator Output
DESCRIPTION
The X80070 is a hot swap controller that allows a board to be
safely inserted and removed from a live backplane without
turning off the main power supply.
During insertion, the gate of an external power MOSFET is
clamped low to suppress contact bounce. The under-voltage/
over-voltage circuits and the power on reset circuitry suppress
the gate turn on until the mechanical bounce has ended. The
X80070 turns on the gate with a slew rate to limit the inrush
current and incorporates an electronic circuit breaker set by a
sense resistor. After the load is successfully charged, the
PWRGD signal is asserted; indicating that the device is ready to
power sequence the DC-DC power bricks.
At all times, the X80070 monitors for undervoltage, overvoltage,
and overcurrent conditions. If any fault occurs, the gate will be
immediately shut off and the PWRGD will be returned to the
inactive state. The X80070 contains overvoltage, undervoltage
and overcurrent detection, hardshort retry, gate control slew rate
and power good control.
FEATURES
• Hot swap controller
— Overvoltage and undervoltage protection
— Undervoltage lockout for battery/redundant supplies
— Electronic circuit breaker
— Slew Rate for External FET Gate Control
— Overcurrent Detection and Gate Shut-off
— 3X overcurrent limit on insertion
— 5µs overcurrent filter
— Hardshort Retry and Indicator
— Typically operates from -30V to -80V. Tolerates transients
to -200V (limited by external components)
— Positive Voltages (low side switching) from 12V to 60V
— Soft Re-insertion
— Soft extraction
• Voltage Regulator Output for Supervisory Functions
• Debounced manual reset input
• Available packages
— 20-lead Quad No-Lead Frame (QFN)
APPLICATIONS
• -48V Hot Swap Power Backplane/Distribution Central
Office, Ethernet for VOIP
• Positive Voltage Hotswap 12V to 60V Applications
(low side switching)
• Card Insertion Detection
• IP Phone Applications
• Databus Power Interfacing
• Custom Industrial Power Backplanes
• Distributed Power Systems
TYPICAL APPLICATION
-48V
Return
*
X80070
V
RGO
DC-DC
Module
1
ON/OFF
R5
30k
1%
R4
182k
1%
PWRGD
UV=43V
V
UV/OV
OV=75V
V
DD
I
GQ1
I
GQ0
Gate
Current
Select
SENSE GATE
100n
Rs
*
*
R6
10k
1%
V
EE
100
22K
3.3n
-48V
0.02Ω
5%
Q1
IRFR120
*
Optional components DC-DC Module
Depends on choice of
Characteristics subject to change without notice
REV 1.22 1/14/03
www.xicor.com
1 of 14

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X80070Q24I X80072Q24I X80073Q24I X80071Q24I
Description Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20 Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20 Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20 Power Supply Support Circuit, Adjustable, 1 Channel, 5 X 5 MM, QFN-20
Is it Rohs certified? incompatible incompatible incompatible incompatible
Maker Xicor Inc. Xicor Inc. Xicor Inc. Xicor Inc.
package instruction VQCCN, LCC20,.20SQ,25 VQCCN, LCC20,.20SQ,25 VQCCN, LCC20,.20SQ,25 VQCCN, LCC20,.20SQ,25
Reach Compliance Code unknow unknown unknown unknow
Adjustable threshold YES YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code S-XQCC-N20 S-XQCC-N20 S-XQCC-N20 S-XQCC-N20
JESD-609 code e0 e0 e0 e0
length 5 mm 5 mm 5 mm 5 mm
Number of channels 1 1 1 1
Number of functions 1 1 1 1
Number of terminals 20 20 20 20
Maximum operating temperature 85 °C 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C
Package body material UNSPECIFIED UNSPECIFIED UNSPECIFIED UNSPECIFIED
encapsulated code VQCCN VQCCN VQCCN VQCCN
Encapsulate equivalent code LCC20,.20SQ,25 LCC20,.20SQ,25 LCC20,.20SQ,25 LCC20,.20SQ,25
Package shape SQUARE SQUARE SQUARE SQUARE
Package form CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE CHIP CARRIER, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
power supply 12 V 12 V 12 V 12 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm 0.8 mm 0.8 mm
Maximum supply current (Isup) 5 mA 5 mA 5 mA 5 mA
Maximum supply voltage (Vsup) 14 V 14 V 14 V 14 V
Minimum supply voltage (Vsup) 10 V 10 V 10 V 10 V
Nominal supply voltage (Vsup) 12 V 12 V 12 V 12 V
surface mount YES YES YES YES
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD NO LEAD NO LEAD
Terminal pitch 0.65 mm 0.65 mm 0.65 mm 0.65 mm
Terminal location QUAD QUAD QUAD QUAD
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 5 mm 5 mm 5 mm 5 mm
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