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UC2524DW Datasheet(PDF) 2 Page - Texas Instruments

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Part No. UC2524DW
Description  ADVANCED REGULATING PULSE WIDTH MODULATORS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UC2524DW Datasheet(HTML) 2 Page - Texas Instruments

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CONNECTION DIAGRAM
OSCILLATOR
S/D
REFERENCE
REGULATOR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ERROR
AMP
CURRENT
AMP
VREF
VIN
EB
CB
CA
EA
S/D
COMP
INV INPUT NON INV
INPUT
OSC OUT
CL
SENSE(+)
CL
SENSE (–-)
RT
GND
C
T
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
UC1524
UC2524
UC3524
SLUS180E – NOVEMBER 1999 – REVISED OCTOBER 2005
over operating free-air temperature range (unless otherwise noted)
UNIT
VCC
Supply voltage(1)(2)
40 V
Collector output current
100 mA
Reference output current
50 mA
Current through CT terminalg
–50 mA
TA = 25°C(3)
1000 mW
Power dissipation
TC = 25°C(3)
2000 mW
Operating junction temperature range
–55
°C to 150°C
Storage temperature range
–65
°C to +150°C
(1)
All voltage values are with respect to the ground terminal, pin 8.
(2)
The reference regulator may be bypassed for operation from a fixed 5 V supply by connecting the VCC and reference output pins both to
the supply voltage. In this configuration the maximum supply voltage is 6 V.
(3)
Consult packaging section of data book for thermal limitations and considerations of package.
over operating free-air temperature range (unless otherwise noted)
MIN
NOM
MAX
UNIT
VCC
Supply voltage
8
40
V
Reference output current
0
20
mA
Current through CT terminal
–0.03
–2
mA
RT
Timing resistor
1.8
100
k
CT
Timing capacitor
0.001
0.1
µF
UC1524
–55
125
Operating ambient temperature range
UC2524
–25
85
°C
UC3524
0
70
2


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