UCC2813-0/-1/-2/-3/-4/-5
UCC3813-0/-1/-2/-3/-4/-5
UCC2813-x; 0°C
≤
T
A
≤
+70°C for UCC3813-x; VCC = 10V (Note 3); RT = 100k from REF to RC; CT=330pF from RC to GND;
0.1µF capacitor from VCC to GND; 0.1µF capacitor from VREF to GND. T
A
= T
J
.
PARAMETER
Error Amplifier Section
Input Voltage
Input Bias Current
Open Loop Voltage Gain
COMP Sink Current
COMP Source Current
Gain Bandwidth Product
PWM Section
Maximum Duty Cycle
Minimum Duty Cycle
Current Sense Section
Gain
Maximum Input Signal
Input Bias Current
CS Blank Time
Over-Current Threshold
COMP to CS Offset
Output Section
OUT Low Level
I = 20mA, all parts
I = 200mA, all parts
I = 50mA, VCC = 5V, UCCx813-3/-5
I = 20mA, VCC = 0V, all parts
OUT High V
SAT
(V
CC
-OUT)
Rise Time
Fall Time
Undervoltage Lockout Section
Start Threshold (Note 8)
UCCx813-0
UCCx813-1
UCCx813-2/-4
UCCx813-3/-5
Stop Threshold (Note 8)
UCC1813-0
UCC1813-1
UCCx813-2/-4
UCCx813-3/-5
Start to Stop Hysteresis
UCCx813-0
UCCx813-1
UCCx813-2/-4
UCCx813-3/-5
6.6
8.6
11.5
3.7
6.3
6.8
7.6
3.2
0.12
1.6
3.5
0.2
7.2
9.4
12.5
4.1
6.9
7.4
8.3
3.6
0.3
2
4.2
0.5
7.8
10.2
13.5
4.5
7.5
8.0
9.0
4.0
0.48
2.4
5.1
0.8
V
V
V
V
V
V
V
V
V
V
V
V
I = –20mA, all parts
I = –200mA, all parts
I = –50mA,VCC = 5V, UCCx813-3/-5
C
L
= 1nF
C
L
= 1nF
0.1
0.35
0.15
0.7
0.15
1.0
0.4
41
44
0.4
0.90
0.40
1.2
0.40
1.9
0.9
70
75
V
V
V
V
V
V
V
ns
ns
CS = 0V
(Note 5)
COMP = 5V (Note 6)
1.10
0.9
1.65
1.0
100
1.55
0.90
1.80
1.1
200
150
1.70
1.35
V/V
V
nA
ns
V
V
UCCx813-0/-2/-3
UCCx813-1/-4/-5
COMP = 0V
97
48
99
49
100
50
0
%
%
FB = 2.7V, COMP = 1.1V
FB = 1.8V, COMP = REF – 1.2V
(Note 9)
COMP = 2.5V; UCCx813-0/-1/-2/-4
COMP = 2.0V; UCCx813-3/-5
2.42
1.92
2.50
2.0
80
2.5
–0.5
2
–0.8
2.56
2.05
2
V
V
µA
dB
mA
mA
MHz
TEST CONDITIONS
MIN
UCC2813-x
UCC3813-x
TYP
MAX
UNITS
ELECTRICAL CHARACTERISTICS
Unless otherwise stated, these specifications apply for –40°C
≤
T
A
≤
+85°C for
–
2
60
0.4
–0.2
–
200
50
1.32
0.45
3
TI [ TEXAS INSTRUMENTS ]
