KC80526LY400128 Intel, KC80526LY400128 Datasheet - Page 27
KC80526LY400128
Manufacturer Part Number
KC80526LY400128
Description
Manufacturer
Intel
Datasheet
1.KC80526LY400128.pdf
(42 pages)
Specifications of KC80526LY400128
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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4.7.2
The VR_ON pin turns the DC voltage regulator on or off. The
VR_ON pin should be controlled as a function of the SUSB#,
which controls the system’s power planes. VR_ON should
switch high only when the following conditions are met:
V_5(s) => 4.5 volts and V_DC => 4.75 volts.
Caution- Turning on VR_ON prior to meeting these
conditions will severely damage the Celeron processor
mobile module.
Control of the Voltage Regulator
NOTES:
1.
2.
3.
These efficiencies will change with future voltage regulators that accommodate wider ranges of input
voltages.
With V_DC applied and the voltage regulator off, typical leakage is 0.3 mA with a maximum of 0.7 mA.
Icore indicates the CPU core current being drawn during test and measurement.
Icore, A
Table 18. Typical Voltage Regulator Efficiency
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
3
V_DC, V
12.0
12.0
12.0
12.0
12.0
12.0
12.0
21.0
21.0
21.0
21.0
21.0
21.0
21.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
I_DC, A
0.370
0.702
1.044
1.404
1.762
2.144
2.528
0.159
0.295
0.438
0.584
0.736
0.890
1.043
0.091
0.170
0.253
0.340
0.429
0.519
0.617
The VR_PWRGD signal indicates that the voltage regulator
power is operating at a stable voltage level. Use
VR_PWRGD on the system electronics to control power
inputs and to gate PWROK to the PIIX4E/M.
Table 19 lists the voltage signal definitions and sequences,
and Figure 5 shows the signal sequencing and the voltage
planes sequencing required for normal operation of the
Celeron processor mobile module MMC-1.
Intel Celeron
2
At 400 MHz, 366 MHz, 333 MHz, and 300 MHz
Efficiency
82.8%
88.8%
89.8%
89.7%
88.1%
86.4%
85.0%
79.7%
87.0%
87.8%
87.3%
86.1%
84.9%
83.8%
79.3%
86.0%
87.3%
85.3%
84.1%
82.9%
80.7%
1
Processor Mobile Module MMC-1
27