UCC1895
UCC2895
UCC3895
ELECTRICAL CHARACTERISTICS: Unless otherwise specified, VDD=12V, RT=82kW, CT=220pF, RDELAB=10kW,
RDELCD=10kW, CREF=0.1mF, CVDD=1.0mF, no load at outputs. TA = TJ. TA = 0°C to 70°C for UCC3895x, –40°C to +85°C for
UCC2895x, and –55°C to +125°C for UCC1895x.
PARAMETER
Soft Start/Shutdown Section
Soft Start Source Current
TEST CONDITIONS
MIN
TYP
MAX UNITS
SS/DISB = 3.0V, CS < 1.9V
–40
325
0.44
–35
350
0.50
–30
375
0.56
mA
mA
V
Soft Start Sink Current
SS/DISB = 3.0V, CS > 2.6V
Soft Start/Disable Comparator Threshold
Delay Set Section
DELAB/DELCD Output Voltage
ADS = CS = 0V
0.45
1.9
0.50
2.0
0.55
2.1
600
20
V
V
ADS = 0V, CS = 2.0V
Output Delay
ADS Bias Current
Output Section
VOH (all outputs)
VOL (all outputs)
Rise Time
ADS = CS = 0V (Notes 2 and 3)
0V < ADS < 2.5V, 0V < CS < 2.5V
450
–20
525
ns
mA
IOUT = –10mA, VDD to Output
IOUT = 10mA
250
150
20
400
250
35
mV
mV
ns
CLOAD = 100pF, (Note 3)
CLOAD = 100pF, (Note 3)
Fall Time
20
35
ns
t
PERIOD
t
t
f(OUTA) − tf(OUTC)
Φ = 200 •
Φ = 200 •
tPERIOD
f(OUTB) − tf(OUTD)
OUTA
OUTC
tPERIOD
t
= t
- t
DELAY
f(OUTA) f(OUTC)
OUTA
- t
t
= t
DELAY
f(OUTA) r(OUTB)
OUTB
4
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