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UCC3583 Datasheet(PDF) 3 Page - Texas Instruments

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Part # UCC3583
Description  Switch Mode Secondary Side Post Regulator
PDF  10 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC3583 Datasheet(HTML) 3 Page - Texas Instruments

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UCC1583
UCC2583
UCC3583
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = –55°C to 125°C for
UCC1583, –40°C to 85°C for UCC2583, and 0°C to 70°C for UCC3583; VDD = 12V, RT = 60k, CT = 200pF, TA = TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Voltage Error Amplifier
VINV
VCOMP = VINV, 0°C to 70°C (UCC3583)
2.462
2.5
2.538
V
VCOMP = VINV, All Other Temperature Ranges
2.45
2.5
2.55
V
IINV
VCOMP = VINV
300
500
nA
VCOMP Low
VINV = 2.6V, ICOMP = 100µA
450
700
mV
VCOMP High
VINV = 2.4V, ICOMP = –100µA
5.0
5.5
6.0
V
AVOL
No Load
70
90
dB
GBW Product
At f = 100kHz, TA = 25°C (Note 1)
3
5
MHz
Current Error Amplifier
Input Offset Voltage
10
mV
Input CM Low
Common Mode for CS and ILIM (Note 1)
0
V
Input CM High
Common Mode for CS and ILIM (Note 1)
2
V
VCAO Low
V+IN = 0V, V–IN = 0.1V, ICAO = 100µA
250
500
mV
VCAO High
V+IN = 0V, V–IN = 0.1V, ICAO = –100µA
5.0
5.5
6.0
V
Input Current (ILIM and CS Pins)
–50
0
50
nA
AVOL
No Load
70
90
dB
GBW Product
At f = 100kHz, TA = 25°C
2
4
MHz
Soft Start Current
10
25
µA
UVLO
VDD On Threshold Voltage
8.5
9.0
9.5
V
VDD Off Threshold Voltage
7.9
8.4
8.9
V
UVLO Hysteresis
0.3
0.6
0.9
V
Bias Supply
Supply Clamp Voltage
13
14
15
V
Supply Current (VDD)
f = 100kHz With No Gate Output Load
3
5
mA
Output Driver
VSAT High
IGATE = –150mA
0.6
1.0
V
VSAT Low
IGATE = 50mA
0.4
0.75
V
Rise Time
CGATE = 1nF
50
75
ns
Fall Time
CGATE = 330pF
20
40
ns
Reference
VREF
IREF = 0, 0°C to 70°C (UCC3583)
4.925
5
5.075
V
IREF = 0, All Other Temperature Ranges
4.900
5
5.100
V
Line Regulation
VDD = 10V to 14V
2
30
mV
Load Regulation
IREF = 0mA to 2mA
1
20
mV
Note 1: Guaranteed by design. Not 100% tested in production.



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