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FAN5068MPX Folha de dados(PDF) 7 Page - Fairchild Semiconductor

Nome de Peças FAN5068MPX
Descrição Electrónicos  DDR-1/DDR-2 plus ACPI Regulator Combo
Download  18 Pages
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Fabricante Electrônico  FAIRCHILD [Fairchild Semiconductor]
Página de início  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN5068MPX Folha de dados(HTML) 7 Page - Fairchild Semiconductor

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FAN5068
PRODUCT SPECIFICATION
REV. 1.0.1 9/9/04
7
SS Complete Threshold
1.5
V
SS Complete Hysteresis
50
mV
PWM Converter
Load Regulation
IOUT from 0 to 16A
–2
+2
%
FB Bias Current
0.75
1
1.25
µA
Under-Voltage Shutdown
As % of set point.
2µs noise filter
65
75
80
%
ISNS Over-Current threshold
RILIM = 56kΩ
145
170
195
µA
Over-Voltage threshold
As % of set point
110
115
120
%
PWM Output Driver
HDRV Output Resistance
Sourcing
1.8
3
Sinking
1.8
3
LDRV Output Resistance
Sourcing
1.8
3
Sinking
1.2
2
PGOOD (Power Good Output) and Control pins. VDDQ output
Lower Threshold
As % of set point, 2µs noise filter
86
92
%
Upper Threshold
As % of set point, 2µs noise filter
108
115
%
PGOOD Output Low
IPGOOD = 1.5mA
0.5
V
Leakage Current
VPULLUP = 5V
1
µA
VTT Regulator
VDDQ IN Current
S0 mode, IVTT = 0
35
70
mA
VREF IN to VTT
Differential Output Voltage
IVTT = 0, TA = 25°C
IVTT = ± 1.25A (pulsed)
–20
–40
20
40
mV
Internal Divider Gain
0.493
0.498
0.503
V/V
VTT Current limit
Pulsed (300ms max.), TA = 25°C
±1.5
±3
±4
A
VTT Leakage Current
S3#I = LOW
–20
20
mA
VTT SNS input resistance
VTT = 0.9V
110
k
VTT PGOOD
Measured at VTT SNS
80
110
% VTT
REF
Drop-Out Voltage
ITT = ± 1.5A
–0.8
0.8
V
1.2V LDO
Regulation
I(1.2) from 0 to 5A
1.17
1.2
1.23
V
Drop-Out Voltage
I(1.2)
≤ 5A, R
DS(ON) < 50mΩ
0.3
V
External Gate Drive
VCC = 4.75V
4.5
V
Gate Drive Source Current
1.2
mA
Gate Drive Sink Current
1.2
mA
External Gate Drive
VCC = 4.75V
4.5
V
FB1.2 PGOOD threshold
0.80
V
3.3V LDO
Regulation
I(3.3) from 0 to 1.25A, VCC > 4.75V
3.2
3.3
3.4
V
Drop-Out Voltage
I(3.3)
≤ 1.25A
1.5
V
Electrical Specifications (continued)
Recommended operating conditions, component values per Figure 1 unless otherwise noted.
Parameter
Conditions
Min.
Typ.
Max.
Units


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