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參數資料
| 型號： | TL284xP |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | CURRENT-MODE PWM CONTROLLERS |
| 中文描述： | 電流模式PWM控制器 |
| 文件頁數： | 2/12頁 |
| 文件大?。?/td> | 171K |
| 代理商： | TL284XP |
TL284x, TL384x
CURRENT-MODE PWMCONTROLLERS
SLVS038E – JANUARY 1989 – REVISED DECEMBER 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
AVAILABLE OPTIONS
PACKAGED DEVICES
CHIP FORM
(Y)
TA
SMALL OUTLINE
(D)
SMALL OUTLINE
(D-8)
PLASTIC DIP
(P)
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
EN
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
2R
R
1 V
S
R
T
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