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UC2524DW Datasheet(PDF) 1 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) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
BLOCK DIAGRAM
15
7
6
16
VIN
REFERENCE
VREF
+5V TO ALL
INTERNAL
RT
CT
OSC
(RAMP)
3
OSC OUT
Q
Q
R
+5V
12
11
CA
EA
13
14
CB
EB
9
+5V
5
4
–SENSE
+SENSE
C L
COMPENSATION
10k
1k
10
8
GROUND
+
+5V
E A
1
2
INV INPUT
NI INPUT
COMPARATOR
SHUTDOWN
UC1524
UC2524
UC3524
SLUS180E – NOVEMBER 1999 – REVISED OCTOBER 2005
ADVANCED REGULATING PULSE WIDTH MODULATORS
Complete PWM Power Control Circuitry
The UC1524, UC2524 and UC3524 incorporate on a
single monolithic chip all the functions required for the
Uncommitted Outputs for Single-Ended or
construction of regulating power supplies, inverters or
Push-Pull Applications
switching regulators. They can also be used as the
Low Standby Current . . . 8 mA Typical
control element for high-power-output applications.
Interchangeable With SG1524, SG2524 and
The UC1524 family was designed for switching
SG3524, Respectively
regulators
of
either
polarity,
transformer-coupled
dc-to-dc converters, transformerless voltage doublers
and polarity converter applications employing fixed-
frequency, pulse-width modulation techniques. The
dual alternating outputs allow either single-ended or
push-pull applications. Each device includes an
on-chip reference, error amplifier, programmable
oscillator, pulse-steering flip-flop, two uncommitted
output
transistors,
a
high-gain
comparator,
and
current-limiting and shut-down circuitry. The UC1524
is characterized for operation over the full military
temperature range of –55
°C to 125°C. The UC2524
and UC3524 are designed for operation from –25
°C
to 85
°C and 0°C to 70°C, respectively.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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