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International Rectifier Electronic Components Datasheet

IR3080 Datasheet

XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT

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Data Sheet No. PD94705
IR3080
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
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
PACKAGE PIN OUT
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
Page 1 of 41
9/30/04


International Rectifier Electronic Components Datasheet

IR3080 Datasheet

XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT

No Preview Available !

IR3080
ORDERING INFORAMATION
* Samples only
Device
IR3080MTR
* IR3080M
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 of 41
9/30/04


Part Number IR3080
Description XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT
Maker International Rectifier
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IR3080 Datasheet PDF






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