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TIL5942 Datasheet

  • TIL5942

  • CURRENT-MODE-PWM CONTROLLER WITH OPTOISOLATED VOLTAGE REFERE...

  • 19頁(yè)

  • TI

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TIL5942, TIL5942A
CURRENT-MODE-PWM CONTROLLER
WITH OPTOISOLATED VOLTAGE REFERENCE AND ERROR AMPLIFIER
SOES040 鈥?OCTOBER 1997
D
D
D
D
D
D
D
D
D
TL1431, Optocoupler, and Advanced
Current-Mode-PWM in a 16-Pin DIP
LinBiCMOS鈩?Current-Mode-PWM Operates
at Frequencies up to 1 MHz
100-碌A(chǔ) Maximum Start-up Current
2-A, 30-ns MOSFET Drive Output
TL1431 Voltage Reference/Feedback
Amplifier
7500-V Peak Withstand Voltage
Available With Gull Wing VDE Lead Forms
鈥?40擄C to 100擄C Free-Air Operating
Temperature Range
Safety Regulatory Approvals Pending
鈥?UL . . . File Number E65085
鈥?FIMKO, SEMKO, NEMKO, DEMKO
鈥?EN60065/IEC 65
鈥?EN60950/IEC 950
鈥?VDE 0884, Level 4 (6000-V Insulation)
NFC or NFD PACKAGE
(TOP VIEW)
FB
INPUT_GND
COMP
BIAS
1
2
3
4
16
15
14
13
12
11
NC
NC
7
8
10
9
IS
VC
RT/CT
PWM_GND
REF
V
CC
REG
OUT
description
The TIL5942 and TIL5942A consist of an advanced current-mode-PWM controller and a TL1431 adjustable
precision shunt regulator, incorporated in a single package. The controller provides a photodetector, an
improved MOSFET drive output, and an LED for isolation. The TL1431 is configured as a precision
reference/error amplifier. Using the TIL5942 or the TIL5942A, the power-supply designer can implement the
controller for an isolated dc/dc converter or off-line switching power supply, with one IC and a few passive
components. The TIL5942 standard version has a reference voltage tolerance of 0.8% and the TIL5942A has
a reference voltage tolerance of 0.4%
These controllers are available in a 16-pin PDIP with a lead form for through-hole, or gull-wing lead form for
surface-mount applications. These devices operate over a 鈥?40擄C to 100擄C junction temperature range.
End equipment applications for the TIL5942 and the TIL5942A include isolated ac-to-dc power supplies and
dc/dc converters.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
PLASTIC DUAL-IN-LINE
WITH VDE LEAD FORM,
THROUGH-HOLE
TIL5942NFC, TIL5942ANFC
PLASTIC DUAL-IN-LINE
WITH VDE LEAD FORM,
SURFACE-MOUNT LEADS
TIL5942NFD, TIL5942ANFD
鈥?40擄C to 100擄C
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.
LinBiCMOS is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1997, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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