FL6961 Просмотр технического описания (PDF) - Fairchild Semiconductor
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FL6961 Datasheet PDF : 11 Pages
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Electrical Characteristics
Unless otherwise noted, VCC=15V and TJ=-40°C to 150°C. Current is defined as positive into the device and negative
out of the device.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
VCC Section
VCC-OP Continuous Operation Voltage
VCC-ON Turn-On Threshold Voltage
VCC-OFF Turn-Off Threshold Voltage
ICC-ST Startup Current
ICC-OP Operating Supply Current
VCC-OVP VDD Over-Voltage Protection Level
tD-VCCOVP VDD Over-Voltage Protection Debounce
Error Amplifier Section
VREF
Gm
Reference Voltage
Transconductance
VINVH Clamp High Feedback Voltage
VINVL Clamp Low Feedback Voltage
VOUT HIGH Output High Voltage
VOZ Zero Duty Cycle Output Voltage
VINV-OVP Over-Voltage Protection for INV Input
VINV-UVP Under-Voltage Protection for INV Input
ICOMP
Source Current
Sink Current
Current-Sense Section
VPK
Threshold Voltage for Peak Current Limit
Cycle-by-Cycle Limit
tPD Propagation Delay
tLEB Leading-Edge Blanking Time
Gate Section
VZ-OUT Output Voltage Maximum (Clamp)
VOL Output Voltage Low
VOH Output Voltage High
tR Rising Time
tF
Falling Time
VCC=VCC-ON – 0.16V
VCC=12V, VCS=0V,
CL=3nF, fSW=60KHz
24.5
V
11.5 12.5 13.5
V
8.5
9.5 10.5
V
10
20
µA
4.5
6
mA
26.8 27.8 28.8
V
30
µs
VINV=2.35V, VCOMP=1.5V
VINV=1.5V
VINV=2.65V, VCOMP=5V
2.475
2.25
4.8
1.15
2.70
0.40
10
550
10
2.500
125
2.65
2.30
1.25
2.75
0.45
20
800
20
2.525
2.70
1.35
2.80
0.50
V
μmho
V
V
V
V
V
V
μA
0.77 0.82 0.87
V
RMOT=24kΩ, VCOMP=5V
RMOT=24kΩ,
VCOMP=VOZ+50mV
200
ns
400 500
ns
270 350
VCC=25V
VCC=15V, IO=100mA
VCC=14V, IO=100mA
VCC=12V, CL=3nF,
20~80%
VCC=12V, CL=3nF,
80~20%
14.5 16.0 17.5
V
1.4
V
8
V
80
ns
40
ns
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FL6961 • Rev. 1.0.2
5
www.fairchildsemi.com
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