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International Rectifier Electronic Components Datasheet

IR3088 Datasheet

XPHASE PHASE IC WITH FAULT AND OVERTEMP DETECT

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NOT RECOMMENDED FOR NEW
DESIGNS. REPLACE WITH IR3088A
Data Sheet No. PD94712
IR3088
XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
DESCRIPTION
The IR3088 Phase IC combined with an IR XPhaseTM Control IC provides a full featured and flexible way to
implement power solutions for the latest high performance CPUs and ASICs. The “Control” IC provides
overall system control and interfaces with any number of “Phase” ICs which each drive and monitor a single
phase of a multiphase converter. The XPhaseTM architecture results in a power supply that is smaller, less
expensive, and easier to design while providing higher efficiency than conventional approaches.
The IR3088 is intended for the following application conditions:
Excessive impedance between converter and load
Output voltage exceeding the control IC reference/VID voltage
FEATURES
2.5A Average Gate Drive Current
Loss-Less Inductor Current Sense
Internal Inductor DCR Temperature Compensation
Programmable Phase Delay
Programmable Feed-Forward Voltage Mode PWM Ramp
Sub 100ns Minimum Pulse Width supports 1MHz per-phase operation
Current Sense Amplifier drives a single wire Average Current Share Bus
DataShee
Current Share Amplifier reduces PWDMataRSahmepets4loUp.ceotmo ensure sharing between phases
Body BrakingTM disables Synchronous MOSFET for improved transient response and prevents negative
output voltage at converter turn-off
Phase Fault Detection
Programmable Phase Over-Temperature Detection
Control FET driver’s 25V input voltage capability simplifies boot-strap supply design
Small thermally enhanced 20L MLPQ package
PACKAGE PINOUT
1 RMPIN+
2 RMPIN-
3 HOTSET
4 VRHOT
5 ISHARE
IR3088
PHASE
IC
VCCH
GATEH
PGND
GATEL
VCCL
15
14
13
12
11
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Page 1 of 34
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9/30/04


International Rectifier Electronic Components Datasheet

IR3088 Datasheet

XPHASE PHASE IC WITH FAULT AND OVERTEMP DETECT

No Preview Available !

www.DataSheet4U.com
IR3088
ORDERING INFORAMATION
* Samples only
Device
IR3088MTR
* IR3088M
Order Quantity
3000 per reel
100 piece strips
ABSOLUTE MAXIMUM RATINGS
Operating Junction Temperature……………..150oC
Storage Temperature Range………………….-65oC to 150oC
ESD Rating………………………………………HBM Class 1C JEDEC standard
et4U.com
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN NAME
RMPIN+
RMPIN-
HOTSET
VRHOT
ISHARE
SCOMP
EAIN
PWMRMP
LGND
VCC
VCCL
GATEL
PGND
GATEH
VCCH
CSIN+
CSIN-
PHSFLT
DACIN
BIASIN
VMAX
20V
VMIN
-0.3V
20V -0.3V
20V -0.3V
20V -0.3V
20VDataSheet4U.c-o0m.3V
20V -0.3V
20V -0.3V
20V -0.3V
n/a n/a
24V -0.3V
27V -0.3V
27V
0.3V
-0.3V DC, -2V for
100ns
-0.3V
27V -0.3V DC, -2V for
100ns
27V -0.3V
20V -0.3V
20V -0.3V
20V -0.3V
20V -0.3V
20V -0.3V
ISOURCE
1mA
1mA
1mA
1mA
5mA
1mA
1mA
1mA
50mA
n/a
n/a
3A for 100ns,
200mA DC
3A for 100ns,
200mA DC
3A for 100ns,
200mA DC
n/a
1mA
1mA
1mA
1mA
1mA
ISINK
1mA
1mA
1mA
30mA
5mA
1mA
1mA
20mA
n/a
50mA
3A for 100ns,
200mA DC
3A for 100ns,
200mA DC
n/a
DataShee
3A for 100ns,
200mA DC
3A for 100ns,
200mA DC
1mA
1mA
20mA
1mA
1mA
DataSheet4U.com
Page 2 of 34
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DataSheet4U.com
9/30/04


Part Number IR3088
Description XPHASE PHASE IC WITH FAULT AND OVERTEMP DETECT
Maker International Rectifier
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IR3088 Datasheet PDF






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