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UCC2813-0 Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part No. UCC2813-0
Description  Low Power Economy BiCMOS Current Mode PWM
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Maker  ETC [List of Unclassifed Manufacturers]
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UCC2813-0 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

   
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3
UCC2813-0/-1/-2/-3/-4/-5
UCC3813-0/-1/-2/-3/-4/-5
ELECTRICAL CHARACTERISTICSUnless otherwise stated, these specifications apply for –40°C
£ TA £ +85°C for
UCC2813-x; 0°C
£ TA £ +70°C for UCC3813-x; VCC = 10V (Note 3); RT = 100k from REF to RC; CT=330pF from RC to GND;
0.1
mF capacitor from VCC to GND; 0.1mF capacitor from VREF to GND. TA =TJ.
PARAMETER
TEST CONDITIONS
UCC2813-x
UCC3813-x
UNITS
MIN
TYP
MAX
Error Amplifier Section
Input Voltage
COMP = 2.5V; UCCx813-0/-1/-2/-4
2.42
2.50
2.56
V
COMP = 2.0V; UCCx813-3/-5
1.92
2.0
2.05
V
Input Bias Current
22
mA
Open Loop Voltage Gain
60
80
dB
COMP Sink Current
FB = 2.7V, COMP = 1.1V
0.4
2.5
mA
COMP Source Current
FB = 1.8V, COMP = REF – 1.2V
–0.2
–0.5
–0.8
mA
Gain Bandwidth Product
(Note 9)
2
MHz
PWM Section
Maximum Duty Cycle
UCCx813-0/-2/-3
97
99
100
%
UCCx813-1/-4/-5
48
49
50
%
Minimum Duty Cycle
COMP = 0V
0
%
Current Sense Section
Gain
(Note 5)
1.10
1.65
1.80
V/V
Maximum Input Signal
COMP = 5V (Note 6)
0.9
1.0
1.1
V
Input Bias Current
200
200
nA
CS Blank Time
50
100
150
ns
Over-Current Threshold
1.32
1.55
1.70
V
COMP to CS Offset
CS = 0V
0.45
0.90
1.35
V
Output Section
OUT Low Level
I = 20mA, all parts
0.1
0.4
V
I = 200mA, all parts
0.35
0.90
V
I = 50mA, VCC = 5V, UCCx813-3/-5
0.15
0.40
V
I = 20mA, VCC = 0V, all parts
0.7
1.2
V
OUT High VSAT
(VCC-OUT)
I = –20mA, all parts
0.15
0.40
V
I = –200mA, all parts
1.0
1.9
V
I = –50mA,VCC = 5V, UCCx813-3/-5
0.4
0.9
V
Rise Time
CL = 1nF
41
70
ns
Fall Time
CL = 1nF
44
75
ns
Undervoltage Lockout Section
Start Threshold (Note 8)
UCCx813-0
6.6
7.2
7.8
V
UCCx813-1
8.6
9.4
10.2
V
UCCx813-2/-4
11.5
12.5
13.5
V
UCCx813-3/-5
3.7
4.1
4.5
V
Stop Threshold (Note 8)
UCC1813-0
6.3
6.9
7.5
V
UCC1813-1
6.8
7.4
8.0
V
UCCx813-2/-4
7.6
8.3
9.0
V
UCCx813-3/-5
3.2
3.6
4.0
V
Start to Stop Hysteresis
UCCx813-0
0.12
0.3
0.48
V
UCCx813-1
1.6
2
2.4
V
UCCx813-2/-4
3.5
4.2
5.1
V
UCCx813-3/-5
0.2
0.5
0.8
V


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