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UC3584DWTR датащи(PDF) 2 Page - Texas Instruments

номер детали UC3584DWTR
подробное описание детали  Secondary Side Synchronous Post Regulator
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UC3584DWTR датащи(HTML) 2 Page - Texas Instruments

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UC1584
UC2584
UC3584
ABSOLUTE MAXIMUM RATINGS
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
VFLT Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 50V, 30V at 2A
Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Analog Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 to 20V
SYNC Maximum Sink Current . . . . . . . . . . . . . . . . . . . . . 600
µA
PWM Driver, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 300mA
PWM Driver, IOUT (Peak). . . . . . . . . . . . . . . . . . . . . . . . . ± 1.5A
Maximum Operating Frequency . . . . . . . . . . . . . . . . . . . . 1MHz
Power Dissipation at TA = 60°C . . . . . . . . . . . . . . . . . . . . . . 1W
Storage Temperature . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . –55°C to 150°C
Lead Temperature (Soldering, 10 sec.) . . . . . . . . . . . . . . 300°C
Currents are positive into, negative out of specified terminal.
Consult Packaging Section of Databook for thermal limitations
and considerations of packages.
CONNECTION DIAGRAMS
DIL-16, SOIC-16 (Top View)
J, N or DW Packages
ELECTRICAL CHARACTERISTICS: Unless otherwise specified, TA = 0°C to 70°C for the UC3584, –40°C to 85°C for
the UC2584, and –55°C to 125°C for the UC1584, VCC = 15V. TA =TJ.
PARAMETERS
TEST CONDITIONS
MIN
TYPE
MAX
UNITS
Error Amplifier
FB
COMP = FB
1.468
1.5
1.532
V
IFB
VCOMP =VFB
150
300
450
nA
COMP VOL
FB = 1.6V, ICOMP = 200µA
50
400
mV
COMP VOH
FB = 1.4V, ICOMP = –200µA
5.1
5.5
7
V
AVOL
60
80
dB
PSRR (COMP)
COMP = FB, VCC = 14V to 16V
60
dB
GBW Product
F = 100kHz
5
10
MHz
Oscillator
Frequency
RT = 3.75k, CT = 400pF, No Synchronization
500
kHz
Ramp Low
RT = 3.75k, CT = 400pF, No Synchronization
1.75
V
Ramp High
RT = 3.75k, CT = 400pF, No Synchronization
3.5
V
Ramp Amplitude
RT = 3.75k, CT = 400pF, No Synchronization
1.75
V
PWM
Maximum Duty Cycle
COMP = 4.5V
90
%
Minimum Duty Cycle
COMP = 0V
0
%
PWM DRIVER
VSAT High
VFLT –VOUT,IOUT = –100mA
2.5
3
V
VSAT Low
VOUT –VSRC,IOUT = 50mA
0.8
2.2
V
TRISE
Load = 1nF, SRC = 0V, Measure VOUT 1V to 9V
75
100
ns
TFALL
Load = 1nF, SRC = 0V, Measure VOUT 9V to 1V
25
100
ns
TEMPERATURE RANGE
PACKAGE
UC1584J
–55°C to +125°C
CDIP
UC2584DW
–40°C to +85°C
SOIC-Wide
UC2584N
PDIP
UC3584DW
0°C to +70°C
SOIC-Wide
UC3584N
PDIP
ORDERING INFORMATION


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