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International Rectifier Electronic Components Datasheet

IR3088APBF Datasheet

XPHASETM PHASE IC

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DATA SHEET No.94704
IR3088APbF
XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
DESCRIPTION
The IR3088APbF 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.
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The IR3088APbF is intended for the following application conditions;
Excessive impedance between converter and load
Output voltage exceeding the control IC reference/VID voltage is desired
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
Current Share Amplifier reduces PWM Ramp slope to 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
IR3088A
PHASE
IC
VCCH
GATEH
PGND
GATEL
VCCL
15
14
13
12
11
Page 1 of 34
1/28/2005


International Rectifier Electronic Components Datasheet

IR3088APBF Datasheet

XPHASETM PHASE IC

No Preview Available !

ORDERING INFORAMATION
IR3088APbF
* Samples only
Device
IR3088AMTRPbF
* IR3088AMPbF
Order Quantity
3000
100 piece strips
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ABSOLUTE MAXIMUM RATINGS
Operating Junction Temperature……………..150oC
Storage Temperature Range………………….-65oC to 150oC
ESD Rating………………………………………HBM Class 1C JEDEC standard
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
20V
20V
20V
20V
20V
20V
20V
n/a
24V
27V
27V
0.3V
27V
27V
20V
20V
20V
20V
20V
VMIN
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
n/a
-0.3V
-0.3V
-0.3V DC, -2V for
100ns
-0.3V
-0.3V DC, -2V for
100ns
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-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
3A for 100ns,
200mA DC
3A for 100ns,
200mA DC
1mA
1mA
20mA
1mA
1mA
Page 2 of 34
1/28/2005


Part Number IR3088APBF
Description XPHASETM PHASE IC
Maker International Rectifier
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