FL7930BMX_G Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
FL7930BMX_G
Fairchild Semiconductor
FL7930BMX_G Datasheet PDF : 24 Pages
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Electrical Characteristics
VCC = 14 V and TA = -40°C~+125°C, unless otherwise specified.
Symbol
Parameter
Conditions
VCC Section
VSTART Start Threshold Voltage
VSTOP Stop Threshold Voltage
HYUVLO UVLO Hysteresis
VZ
Zener Voltage
VOP
Recommended Operating Range
Supply Current Section
VCC Increasing
VCC Decreasing
ICC=20 mA
ISTART Startup Supply Current
IOP
Operating Supply Current
IDOP
Dynamic Operating Supply Current
IOPDIS Operating Current at Disable
Error Amplifier Section
VCC=VSTART-0.2 V
Output Not Switching
50 kHz, CI=1 nF
VINV=0 V
VREF1
VREF1
VREF2
Voltage Feedback Input Threshold1 TA=25°C
Line Regulation
Temperature Stability of VREF1(4)
VCC=14 V~20 V
IEA,BS
Input Bias Current
VINV=1 V~4 V
IEAS,SR Output Source Current
VINV=VREF -0.1 V
IEAS,SK Output Sink Current
VINV=VREF +0.1 V
VEAH
Output Upper Clamp Voltage
VINV=1 V, VCS=0 V
VEAZ
gm
Zero Duty Cycle Output Voltage
Transconductance(4)
Maximum On-Time Section
tON,MAX1
tON,MAX2
Maximum On-Time Programming 1 TA=25°C, VZCD=1 V
Maximum On-Time Programming 2
TA=25°C,
IZCD=0.469 mA
Current-Sense Section
VCS
Current Sense Input Threshold
Voltage Limit
ICS,BS
tCS,D
Input Bias Current
Current Sense Delay to Output(4)
VCS=0~1 V
dV/dt=1 V/100 ns,
from 0 V to 5 V
Min.
11
7.5
3.0
20
13
90
2.465
-0.5
6.0
0.9
90
35.5
11.2
0.7
-1.0
Typ. Max. Unit
12
13
V
8.5
9.5
V
3.5
4.0
V
22
24
V
20
V
120
190
µA
1.5
3.0
mA
2.5
4.0
mA
160
230
µA
2.500
0.1
20
-12
12
6.5
1.0
115
2.535
10.0
0.5
7.0
1.1
140
V
mV
mV
µA
µA
µA
V
V
µmho
41.5
47.5
µs
13.0
14.8
µs
0.8
0.9
V
-0.1
1.0
µA
350
500
ns
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FL7930B • Rev. 1.0.4
6
www.fairchildsemi.com
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