UCC2817A, UCC2818A
UCC3817A, UCC3818A
SLUS577B − SEPTEMBER, 2003 − REVISED FEBRUARY 2006
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature (unless otherwise noted)
†
UCCx81xA
Supply voltage VCC
Supply current ICC
Gate drive current, continuous
Gate drive current
Input voltage, CAI, MOUT, SS
Input voltage, PKLMT
Input voltage, VSENSE, OVP/EN
Input current, RT, IAC, PKLMT
Input current, VCC (no switching)
Maximum negative voltage, DRVOUT, PKLMT, MOUT
Power dissipation
Junction temperature, TJ
Storage temperature, Tstg
Lead temperature, Tsol (soldering, 10 seconds)
Power dissipation
18
20
0.2
1.2
8
5
10
10
20
−0.5
1
−55 to 150
−65 to 150
300
1
W
°C
C
mA
V
W
V
A
UNIT
V
mA
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
T
A
= 0°C to 70°C for the UCC3817A and T
A
= −40°C to 85°C for the UCC2817A, T
A
= T
J,
VCC = 12 V, R
T
= 22 kΩ,
C
T
= 270 pF, (unless otherwise noted)
PARAMETER
Supply Current Section
Supply current, off
Supply current, on
UVLO Section
VCC turn-on threshold (UCCx817)
VCC turn-off threshold (UCCx817)
UVLO hysteresis (UCCx817)
Maximum shunt voltage (UCCx817)
VCC turn-on threshold (UCCx818)
VCC turn-off threshold (UCCx818)
UVLO hysteresis (UCCx818)
Voltage Amplifier Section
Input voltage
VSENSE bias current
Open loop gain
High-level output voltage
Low-level output voltage
TA = 0°C to 70°C
TA = −40°C to 85°C
VSENSE = VREF,
VAOUT = 2 V to 5 V
IL = −150
µA
IL = 150
µA
VAOUT = 2.5 V
50
5.3
0
7.387
7.369
7.5
7.5
50
90
5.5
50
5.6
150
7.613
7.631
200
V
nA
dB
V
mV
IVCC = 10 mA
15.4
9.4
5.8
15.4
9.7
9.4
0.3
16
9.7
6.3
17
10.2
9.7
0.5
17.5
10.8
V
16.6
VCC = (VCC turn-on threshold −0.3 V)
VCC = 12 V, No load on DRVOUT
2
150
4
300
6
µA
mA
TEST CONDITIONS
MIN
TYP
MAX
UNITS
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