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FAN5099 Datasheet PDF : 24 Pages
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Electrical Characteristics (Continued)
Unless otherwise noted, VCC = 5V, TA = 25°C, using the circuit in Figure 1. The ‘•’ denotes that the specifications apply
to the full ambient operating temperature range.(2, 3)
Symbol
Parameter
Conditions
Error Amplifier
DC Gain
GBWP Gain-BW Product
S/R Slew Rate
10pF across COMP to GND
Output Voltage Swing
No Load
•
IFB FB Pin Source Current
Gate Drive
RHUP HDRV Pull-up Resistor Sourcing
•
RHDN HDRV Pull-down Resistor Sinking
•
RLUP LDRV Pull-up Resistor
Sourcing
•
RLDN LDRV Pull-down Resistor Sinking
•
Protection/Disable
ILIM ILIMIT Source Current
ISWPD SW Pull-down Current
SW = 1V, EN = 0V
VUV
Under-Voltage Threshold
As % of set point;
2μS noise filter
•
VOV Over-Voltage Threshold
As % of set point;
2μS noise filter
•
Supply Current
TSD Thermal Shutdown
Enable Condition
•
VEN
Enable Threshold Voltage
Disable Condition
•
Enable Source Current
Enable Sink Current
Low Drop-Out (LDO)(5)
VCC = 5V
VCC = 5V and fault conditions
(overload, short-circuit,
over-voltage, under-voltage)
Reference Voltage
VLDOREF (measured at FBLDO pin)
TA = 0°C to 70°C
TA = -40°C to 85°C
•
•
Regulation
0A ≤ ILOAD ≤ 5A
•
VLDO_DO Drop-out Voltage
ILOAD ≤ 5A and RDS-ON < 50mΩ
External Gate Drive
VCC = 4.75V
•
VCC = 5.6V
•
Gate Drive Source Current
Gate Drive Sink Current
Min.
0.5
9
65
110
2.0
775
770
1.17
Typ.
80
25
8
1.8
1.8
1.8
1.2
10
75
115
160
50
10
800
800
1.20
1.2
400
Max. Unit
dB
MHz
V/μS
4.0
V
μA
3.0
Ω
3.0
Ω
3.0
Ω
2.0
Ω
11
μA
mA
80
%
120
%
°C
V
0.8
V
μA
μA
825
mV
830
mV
1.23
V
0.3
V
4.5
V
5.3
V
mA
μA
Notes:
2. All limits at operating temperature extremes are guaranteed by design, characterization, and statistical quality control.
3. AC specifications guaranteed by design/characterization (not production tested).
4. For a case when VCC is higher than the typical 5V VCC, voltage observed at VCC pin when the internal shunt regulator
is sinking current to keep voltage on VCC pin constant.
5. Test Conditions: VLDO_IN = 1.5V and VLDO_OUT = 1.2V.
© 2006 Fairchild Semiconductor Corporation
FAN5099 Rev. 1.1.5
6
www.fairchildsemi.com
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