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TL284X Datasheet(PDF) 2 Page - Texas Instruments

Part No. TL284X
Description  CURRENT-MODE PWM CONTROLLERS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TL284X Datasheet(HTML) 2 Page - Texas Instruments

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TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038E – JANUARY 1989 – REVISED DECEMBER 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
CHIP FORM
TA
SMALL OUTLINE
(D)
SMALL OUTLINE
(D-8)
PLASTIC DIP
(P)
CHIP FORM
(Y)
0
°C to 70°C
TL3842D
TL3843D
TL3844D
TL3845D
TL3842D-8
TL3843D-8
TL3844D-8
TL3845D-8
TL3842P
TL3843P
TL3844P
TL3845P
TL3842Y
TL3843Y
TL3844Y
TL3845Y
–40
°C to 85°C
TL2842D
TL2843D
TL2844D
TL2845D
TL2842D-8
TL2843D-8
TL2844D-8
TL2845D-8
TL2842P
TL2843P
TL2844P
TL2845P
The D and D-8 packages are available taped and reeled. Add the suffix R to the device type (i.e.,
TL3842DR or TL3842DR-8). Chip forms are tested at 25
°C.
functional block diagram
† The toggle flip-flop is present only in TL2844, TL2845, TL3844, and TL3845.
Pin numbers shown are for the D Package.
Internal
Bias
Vref
Good
Logic
OSC
5-V REF
Error
Amplifier
PWM
Latch
Current-
Sense
Comparator
34 V NOM
VCC
GND
RT/CT
VFB
COMP
ISENSE
12
9
7
3
1
5
14
11
10
8
REF
VC
OUTPUT
POWER
GROUND
+
UVLO
EN
2R
R1 V
S
R
T
+


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