Datasheet

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SWITCHING CHARACTERISTICS (see Figure 1 )
SWITCHING CHARACTERISTICS (see Figure 1 )
UC1708
UC2708
UC3708
SLUS171C – MARCH 1997 – REVISED SEPTEMBER 2007
(VIN = 20V, delays measured to 10% output change.)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
FROM A,B INPUT TO OUTPUT:
CL = 0pF 25 40 ns
UC1708 25 45
CL = 1000pF ns
Rise Time Delay (TPLH) UC2708/UC3708 25 40
UC1708 25 50
CL = 2200pF ns
UC2708/UC3708 25 45
CL = 0pF 55 75 ns
UC1708 25 80
CL = 1000pF
(1)
ns
10% to 90% Rise (TTLH) UC2708/UC3708 25 50
UC1708 40 85
CL = 2200pF ns
UC2708/UC3708 40 55
CL = 0pF 25 40
Fall Time Delay (TPHL) CL = 1000pF
(1)
25 45 ns
CL = 2200pF 35 50
CL = 0pF 15 20
90% to 10% Fall (TTHL) CL = 1000pF
(1)
25 45 ns
CL = 2200pF 40 55
(1) These parameters, specified at 1000pF, although ensured over recommended operating conditions, are not tested in production.
(VIN = 20V, delays measured to 10% output change.)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
FROM SHUTDOWN INPUT TO OUTPUT:
CL = 0pF 25 75 ns
UC1708 30 80
CL = 1000pF
(1)
ns
Rise Time Delay (TPLH) UC2708/UC3708 30 75
UC1708 35 85
CL = 2200pF ns
UC2708/UC3708 35 75
CL = 0pF 50 75 ns
UC1708 25 80
CL = 1000pF
(1)
ns
10% to 90% Rise (TTLH) UC2708/UC3708 25 50
UC1708 40 85
CL = 2200pF ns
UC2708/UC3708 40 55
CL = 0pF 25 45
Fall Time Delay (TPHL) CL = 1000pF
(1)
30 50 ns
CL = 2200pF 35 55
CL = 0pF 25 20
90% to 10% Fall (TTHL) CL = 1000pF
(1)
25 45 ns
CL = 2200pF 40 55
F = 200kHz, 50% duty cycle, both channels; CL = 0pF 23 25
Total Supply Current mA
F = 200kHz, 50% duty cycle, both channels; CL = 2200pF 38 45
(1) These parameters, specified at 1000pF, although ensured over recommended operating conditions, are not tested in production.
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