参数资料
型号: IR3009
厂商: International Rectifier
英文描述: 3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC
中文描述: 3相皓龙,速龙,或控制IC的VR10.X
文件页数: 17/39页
文件大小: 693K
代理商: IR3009
IR3093
Page 17 of 39
07/15/04
required to compensate the VDAC buffer amplifier. Digital VID transitions result in a smooth analog transition of the
VDAC voltage and converter output voltage minimizing inrush currents in the input and output capacitors and
overshoot of the output voltage.
"FAST" VDAC
TO FAULT
2.6V FLOAT VOLTAGE
50K
SHOWN DEFAULT
TO VR10 WITH
VID_SEL GROUNDED
+
-
IROSC
DAC BUFFER
4.9V
150K
-
+
18uA
1.2V
-
+
-
+
1.65V
3.3V
0.6V
VID0
VID1
VID2
VID3
VID4
VID_SEL
VID5
VDAC
VOSNS-
H
H=ATHLON
"SLOW" VDAC
DAC DEFAULTS
TO VR10 WITH
VID_SEL GROUNDED
5V
3.3V
VID INPUT
COMPARATORS
(1 OF 6 SHOWN)
H=OPTERON
VID=11111X FAULT
BLANKING, 3.3us
DIGITAL TO ANALOG
CONVERTER
A
Figure 7
– VID Control Block Diagram
VID = 11111X Fault
VID codes of 111111 and 111110 will set the fault latch and disable the Error Amplifier once SS/DEL is below 3.75V.
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