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UC1524AL Scheda tecnica(PDF) 2 Page - Texas Instruments

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Il numero della parte UC1524AL
Spiegazioni elettronici  Advanced Regulating Pulse Width Modulators
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UC1524AL Scheda tecnica(HTML) 2 Page - Texas Instruments

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UC1524A
UC2524A
UC3524A
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Collector Supply Voltage (VC) . . . . . . . . . . . . . . . . . . . . . . . 60V
Output Current (each Output) . . . . . . . . . . . . . . . . . . . . . 200mA
Maximum Forced Voltage (Pin 9, 10) . . . . . . . . . . . . . -3 to +5V
Maximum Forced Current (Pin 9, 10) . . . . . . . . . . . . . . .
±10mA
Reference Output Current . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Oscillator Charging Current . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Power Dissipation at TA = +25°C. . . . . . . . . . . . . . . . . 1000mW
Power Dissipation at TC = +25°C . . . . . . . . . . . . . . . . 2000mW
Operating Temperature Range . . . . . . . . . . . . -55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . -65°C to +150°C
Lead Temperature, (Soldering, 10 seconds) . . . . . . . . . +300°C
Note: Consult packaging section of Databook for thermal limita-
tions and considerations of package.
CONNECTION DIAGRAMS
DIL-16, SOIC-16 (TOP VIEW)
J or N Package, DW Package
PACKAGE PIN FUNCTION
FUNCTION
PIN
N/C
1
Inv. Input
2
Non-Inv. Input
3
OSC/SYNC
4
C.L. (+) sense
5
N/C
6
C.L. (-) sense
7
RT
8
CT
9
Ground
10
N/C
11
Compensation
12
Shutdown
13
Emitter A
14
Collector A
15
N/C
16
Collector B
17
Emitter B
18
+VIN
19
+5V VREF
20
PLCC-20, LCC-20 (TOP VIEW)
Q or L Package
PARAMETER
TEST CONDITIONS
UC1524A / UC2524A
UC3524A
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Turn-on Characteristics
Input Voltage
Operating Range after Turn-on
8
40
8
40
V
Turn-on Threshold
6.5
7.5
8.5
6.5
7.5
8.5
V
Turn-on Current
VIN = 6V
2.5
4
2.5
4
mA
Operating Current
VIN = 8 to 40V
5
10
5
10
mA
Turn-on Hysteresis*
0.5
0.5
V
Reference Section
Output Voltage
TJ = 25°C
4.95
5.00
5.05
4.90
5.00
5.10
V
Over Operating Range
4.9
5.1
4.85
5.15
V
Line Regulation
VIN = 10 to 40V
10
20
10
30
mV
Load Regulation
IL = 0 to 20 mA
20
25
20
35
mV
Temperature Stability*
Over Operating Range*
20
25
20
35
mV
Short Circuit Current
VREF = 0, 25°C
≤ TJ ≤125°C
80
100
80
100
mA
Output Noise Voltage*
10Hz
≤ f ≤ 10kHz, TJ =25°C
40
40
µVrms
Long Term Stability*
TJ =125°C, 1000 Hrs.
20
50
20
50
mV
ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = -55°C to +125°C for the
UC1524A, -40° to +85°C for the UC2524A, and 0°C to + 70°C for the UC3524A; VIN
= VC = 20V, TA =TJ.
* These parameters are ensured by design but not 100% tested in production.


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