參數(shù)資料
型號(hào): FAN5250QSC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: Mobile Processor Core-Voltage Regulator
中文描述: SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO24
封裝: 0.150 INCH, MO-137, QSOP-24
文件頁(yè)數(shù): 5/17頁(yè)
文件大?。?/td> 469K
代理商: FAN5250QSC
FAN5250
REV. 1.1.6 3/12/03
5
Electrical Specifications
(VCC = 5V, VIN = 5V
24V, and T
unless otherwise noted)
A
= recommended operating ambient temperature range using circuit of Figure 1,
Parameter
Power Supplies
VCC Current
Conditions
Min.
Typ.
Max.
Units
Operating, C
Shut-down (EN = 0)
Operating
Shut-down (EN = 0)
Rising VCC
Falling
L
= 10pF
2.7
6
12
3.2
30
20
1
4.75
4.45
mA
μA
μA
μA
V
V
VIN Current
UVLO Threshold
4.3
4.1
4.65
4.35
Regulator / Control Functions
Output Voltage
per Table 1. Output
Voltage VID
0.6
1.75
V
Initial Accuracy
Static Load Regulation
Error Amplifier Gain
Error Amplifier GBW
Error Amplifier Slew Rate
ILIM Voltage
Over-voltage Threshold
Over-voltage Protection Delay
Under-voltage Shutdown
-1
-2
1
2
% VID
% VID
dB
MHz
V/μS
V
V
μS
% VID
86
2.7
1
R
ILIM
= 30K
0.89
1.9
1.6
72
0.91
2.0
3.2
78
1.95
Disabled during VID code
change
75
Under-voltage Delay
EN, input threshold
1.2
1.6
1.2
μS
V
V
Logic LOW
Logic HIGH
2
Output Drivers
HDRV Output Resistance
Sourcing
Sinking
Sourcing
Sinking
3.8
1.6
3.8
0.8
5
3
5
LDRV Output Resistance
1.5
Oscillator
Frequency
FREQ = HIGH
FREQ = LOW
VIN = 16V
255
510
300
600
2
0.5
345
690
KHz
KHz
V
V
mV/V
Ramp Amplitude, pk-pk
Ramp Offset
Ramp Gain
Ramp amplitude
VIN
125
Reference, DAC and Soft-Start
VID input threshold
Logic LOW
Logic HIGH
to internal 2.5V reference
1.21
V
V
μA
%
1.62
VID pull-up current
DAC output accuracy
12
-1
1
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