FAN5099MTCX(2006) 查看數據表（PDF） - Fairchild Semiconductor
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FAN5099MTCX Datasheet PDF : 24 Pages
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Electrical Characteristics
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.(4,5)
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
Supply Current
IVCC VCC Current (Quiescent)
IVCC(SD) VCC Current (Shutdown)
IVCC(OP) VCC Current (Operating)
VSHUNT VCC Voltage(6)
Under-Voltage Lockout (UVLO)
HDRV, LDRV Open
•
EN = 0V, VCC = 5.5V
•
EN = 5V, VCC = 5.0V,
QFET = 20nC, FSW = 200kHz
Sinking 1mA to 100mA at VCC Pin
UVLO(H) Rising VCC UVLO Threshold
•
UVLO(L) Falling VCC UVLO Threshold
•
VCC UVLO Threshold
Hysteresis
Soft-Start
ISS
Current
VLDOSTART LDO Start Threshold
VSSOK PWM Protection Enable
Threshold
Oscillator
R(T) = 25.5KΩ ± 1%
FOSC Frequency
R(T) = 199KΩ ± 1%
R(T) = Open
Operating Frequency Range
ΔVRAMP Ramp Amplitude
(Peak-to-Peak)
R(RAMP) = 330KΩ
Minimum On Time
f = 200kHz
Reference
VREF
Reference Voltage
(Measured at FB Pin)
TA = 0°C to 70°C
TA = -40°C to 85°C
•
•
Current Amplifier Reference
(at SW node)
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
•
2.6
5.4
4.00
3.60
240
60
40
790
788
0.5
3.2
200
10
4.25
3.75
0.5
10
2.2
1.2
300
80
50
0.4
200
800
800
160
80
25
8
1.8
1.8
1.8
1.2
3.8 mA
400 μA
15 mA
5.9
V
4.50 V
4.00 V
V
μA
V
V
360 kHz
100 kHz
kHz
600 kHz
V
ns
810 mV
812 mV
mV
dB
MHz
V/μS
4.0
V
μA
3.0
Ω
3.0
Ω
3.0
Ω
2.0
Ω
© 2006 Fairchild Semiconductor Corporation
FAN5099 Rev. 1.1.3
5
www.fairchildsemi.com
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