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UCC1801 Datasheet(PDF) 1 Page - Texas Instruments

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Part # UCC1801
Description  Low-Power BiCMOS Current-Mode PWM Controllers
Download  55 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC1801 Datasheet(HTML) 1 Page - Texas Instruments

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Vin
Vout
Cin
Cout
UCC2803
7
1
2
3
4
5
6
8
VCC
REF
RC
GND
COMP
FB
CS
OUT
Copyright © 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
UCC1800, UCC1801, UCC1802, UCC1803, UCC1804, UCC1805
UCC2800, UCC2801, UCC2802, UCC2803, UCC2804, UCC2805
UCC3800, UCC3801, UCC3802, UCC3803, UCC3804, UCC3805
SLUS270E – MARCH 1999 – REVISED JUNE 2016
UCC180x, UCC280x, UCC380x Low-Power BiCMOS Current-Mode PWM Controllers
1
1 Features
1
100-μA Typical Starting Supply Current
500-μA Typical Operating Supply Current
Operation up to 1 MHz
Internal Soft Start
Internal Fault Soft Start
Internal Leading-Edge Blanking of the Current
Sense Signal
1-A Totem-Pole Output
70-ns Typical Response from Current-Sense to
Gate Drive Output
1.5% Tolerance Voltage Reference
Same Pinout as UC3842 and UC3842A
2 Applications
Switch Mode Power Supplies (SMPS)
DC-to-DC Converters
Power Modules
Industrial PSU
Battery-Operated PSU
3 Description
The
UCCx80x
family
of
high-speed,
low-power
integrated circuits contain all of the control and drive
components required for off-line and DC-to-DC fixed
frequency
current-mode
switching
mode
power
supplies with minimal parts count.
These devices have the same pin configuration as
the UCx84x family, and also offer the added features
of internal full-cycle soft start and internal leading-
edge blanking of the current-sense input.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
UCC1800
LCC (20)
8.89 mm × 8.89 mm
CDIP (8)
6.67 mm × 9.60 mm
UCC1801, UCC1802,
UCC1803, UCC1804,
UCC1805
CDIP (8)
6.67 mm × 9.60 mm
UCC2800, UCC2801,
UCC2802, UCC2803,
UCC2804, UCC2805,
UCC3800, UCC3801,
UCC3802, UCC3803,
UCC3804, UCC3805
TSSOP (8)
4.40 mm × 3.00 mm
SOIC (8)
3.91 mm × 4.90 mm
PDIP (8)
6.35 mm × 9.81 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Simplified Application Diagram


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