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International Rectifier Electronic Components Datasheet

IR3080PBF Datasheet

XPHASETM VRD10 CONTROL IC

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Data Sheet No. PD94705 revB
IR3080PbF
XPHASETM VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT
DESCRIPTION
The IR3080 Control IC combined with an IR XPhaseTM Phase IC provides a full featured and flexible way to
implement a complete VRD 10 power solution. 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 IR3080 is intended for desktop applications and includes the VCCVID and VRHOT functions required
for proper system operation.
FEATURES
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6 bit VR10 compatible VID with 0.5% overall system accuracy
1 to X phases operation with matching phase ICs
On-chip 700VID Pull-up resistors with VID pull-up voltage input
Programmable Dynamic VID Slew Rate
No Discharge of output capacitors during Dynamic VID step-down (can be disabled)
+/-300mV Differential Remote Sense
Programmable 150kHz to 1MHz oscillator
Programmable VID Offset and Load Line output impedance
Programmable Softstart
Programmable Hiccup Over-Current Protection with Delay to prevent false triggering
Simplified Powergood provides indication of proper operation and avoids false triggering
Operates from 12V input with 9.1V Under-Voltage Lockout
6.8V/5mA Bias Regulator provides System Reference Voltage
1.2V @ 150mA VCCVID Linear Regulator with Full Protection
VCCVID Powergood with Programmable delay gates converter operation
Programmable Converter Over-Temperature Detection and Output
Small thermally enhanced 32L MLPQ package
APPLICATION CIRCUIT
12V
VRHOT
POWERGOOD
VID POWERGOOD
RVCC
10 ohm
CVCC
0.1uF
RHOTSET2
Page 1
VCCVID
3.3V
VID5
VID0
VID1
VID2
VID3
VID4
RHOTSET1
1 VIDFB
2 VCCVID
3 VIDPWR
4 VID5
5 VID0
6 VID1
7 VID2
8 VID3
IR3080
CONTROL
IC
VCC
VBIAS
BBFB
EAOUT
FB
VDRP
IIN
OCSET
24
23
22
21
20
19
18
17
0.1uF
RCP
CCP
RDRP1 CDRP
RDRP
CCP1
ROSC
ROCSET
RVDAC
CVDAC
CFB
RFB1 RFB
RMPOUT
VBIAS
EA
5 Wire Analog Bus
to Phase ICs
ISHARE
VDAC
VOSENSE+
VOSENSE-
Remote
Sense


International Rectifier Electronic Components Datasheet

IR3080PBF Datasheet

XPHASETM VRD10 CONTROL IC

No Preview Available !

ORDERING INFORMATION
Device
IR3080MTRPbF
IR3080MPbF
IR3080PbF
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
PIN #
1
2
3
4-9
10, 11,
13,14
12
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PIN NAME
VIDFB
VCCVID
VIDPWR
VID0-5
TRM1-4
VOSNS-
ROSC
VDAC
OCSET
IIN
VDRP
FB
EAOUT
BBFB
VBIAS
VCC
LGND
RMPOUT
HOTSET
VRHOT
SS/DEL
PWRGD
VIDPGD
VIDDEL
VMAX
20V
20V
20V
20V
Do Not Connect
0.5V
20V
20V
20V
20V
20V
20V
10V
20V
20V
20V
n/a
20V
20V
20V
20V
20V
20V
20V
VMIN
-0.3V
-0.5V
-0.3V
-0.3V
Do Not Connect
-0.5V
-0.5V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
n/a
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
ISOURCE
1mA
400mA
1mA
10mA
Do Not Connect
10mA
1mA
1mA
1mA
1mA
5mA
1mA
10mA
1mA
1mA
1mA
50mA
1mA
1mA
1mA
1mA
1mA
1mA
1mA
ISINK
1mA
50mA
400mA
10mA
Do Not Connect
10mA
1mA
1mA
1mA
1mA
5mA
1mA
20mA
1mA
1mA
50mA
1mA
1mA
1mA
50mA
1mA
20mA
20mA
1mA
Page 2


Part Number IR3080PBF
Description XPHASETM VRD10 CONTROL IC
Maker International Rectifier
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