Moteur de recherche de fiches techniques de composants électroniques
  French  ▼
ALLDATASHEET.FR

X  

TL3845DR Fiches technique(PDF) 7 Page - Texas Instruments

Click here to check the latest version.
No de pièce TL3845DR
Description  CURRENT-MODE PWM CONTROLLERS
Download  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TL3845DR Fiches technique(HTML) 7 Page - Texas Instruments

Back Button TL3845DR Datasheet HTML 3Page - Texas Instruments TL3845DR Datasheet HTML 4Page - Texas Instruments TL3845DR Datasheet HTML 5Page - Texas Instruments TL3845DR Datasheet HTML 6Page - Texas Instruments TL3845DR Datasheet HTML 7Page - Texas Instruments TL3845DR Datasheet HTML 8Page - Texas Instruments TL3845DR Datasheet HTML 9Page - Texas Instruments TL3845DR Datasheet HTML 10Page - Texas Instruments TL3845DR Datasheet HTML 11Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 7 / 12 page
background image
TL284x, TL384x
CURRENT-MODE PWM CONTROLLERS
SLVS038E – JANUARY 1989 – REVISED DECEMBER 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, VCC = 15 V (see Note 4), RT = 10 k, CT = 3.3 nF, TA= 25°C (unless otherwise
specified) (continued)
error-amplifier section
PARAMETER
TEST CONDITIONS
TL384xY
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Feedback input voltage
COMP at 2.5 V
2.50
V
Input bias current
–0.3
µA
Open-loop voltage amplification
VO = 2 V to 4 V
90
dB
Gain-bandwidth product
1
MHz
Supply-voltage rejection ratio
VCC = 12 V to 25 V
70
dB
Output sink current
VFB at 2.7 V,
COMP at 1.1 V
6
mA
Output source current
VFB at 2.3 V,
COMP at 5 V
–0.8
mA
High-level output voltage
VFB at 2.3 V,
RL = 15 kΩ to GND
6
V
Low-level output voltage
VFB at 2.7 V,
RL = 15 kΩ to GND
0.7
V
NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.
current-sense section
PARAMETER
TEST CONDITIONS
TL384xY
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Voltage amplification
See Notes 6 and 7
3
V/V
Current-sense comparator threshold
COMP at 5 V,
See Note 6
1
V
Supply-voltage rejection ratio
VCC = 12 V to 25 V,
See Note 6
70
dB
Input bias current
–2
µA
Delay time to output
150
ns
NOTES:
4. Adjust VCC above the start threshold before setting it to 15 V.
6. These parameters are measured at the trip point of the latch, with VFB at 0 V.
7. Voltage amplification is measured between ISENSE and COMP, with the input changing from 0 V to 0.8 V.
output section
PARAMETER
TEST CONDITIONS
TL384xY
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
High level output voltage
IOH = –20 mA
13.5
V
High-level output voltage
IOH = –200 mA
13.5
V
Low level output voltage
IOL = 20 mA
0.1
V
Low-level output voltage
IOL = 200 mA
1.5
V
Rise time
CL = 1 nF
50
ns
Fall time
CL = 1 nF
50
ns
NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.
undervoltage-lockout section
PARAMETER
TL384xY
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
Start threshold voltage
TL3842Y, TL3844Y
16
V
Start threshold voltage
TL3843Y, TL3845Y
8.4
V
Minimum operating voltage after startup
TL3842Y, TL3844Y
10
V
Minimum operating voltage after startup
TL3843Y, TL3845Y
7.6
V
NOTE 4: Adjust VCC above the start threshold before setting it to 15 V.


Numéro de pièce similaire - TL3845DR

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
TL3845DR TI-TL3845DR Datasheet
400Kb / 18P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL3845DR TI-TL3845DR Datasheet
577Kb / 21P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL3845DR TI-TL3845DR Datasheet
534Kb / 21P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL3845DR-8 TI-TL3845DR-8 Datasheet
400Kb / 18P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL3845DR-8 TI-TL3845DR-8 Datasheet
577Kb / 21P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
More results

Description similaire - TL3845DR

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
UC1842 TI1-UC1842_16 Datasheet
3Mb / 56P
[Old version datasheet]   Current-Mode PWM Controllers
TL284X TI-TL284X_10 Datasheet
577Kb / 21P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL284X TI-TL284X_07 Datasheet
400Kb / 18P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
TL284X_101 TI-TL284X_101 Datasheet
534Kb / 21P
[Old version datasheet]   CURRENT-MODE PWM CONTROLLERS
logo
IMP, Inc
IMP38C4X IMP-IMP38C4X Datasheet
160Kb / 10P
   BiCMOS Current-Mode PWM Controllers
logo
Microchip Technology
MIC38C42 MICROCHIP-MIC38C42 Datasheet
1Mb / 24P
   BiCMOS Current-Mode PWM Controllers
09/14/21
logo
TelCom Semiconductor, I...
TC18C43 TELCOM-TC18C43 Datasheet
83Kb / 7P
   BiCMOS CURRENT MODE PWM CONTROLLERS
logo
Micrel Semiconductor
MIC38C42A MICREL-MIC38C42A Datasheet
127Kb / 9P
   BiCMOS Current-Mode PWM Controllers
MIC38C43XYM MICREL-MIC38C43XYM Datasheet
354Kb / 11P
   BiCMOS Current-Mode PWM Controllers
MIC38C45YM MICREL-MIC38C45YM Datasheet
348Kb / 11P
   BiCMOS Current-Mode PWM Controllers
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12


Fiches technique Télécharger

Go To PDF Page


Lien URL




Politique de confidentialité
ALLDATASHEET.FR
ALLDATASHEET vous a-t-il été utile ?  [ DONATE ] 

À propos de Alldatasheet   |   Publicité   |   Contactez-nous   |   Politique de confidentialité   |   Echange de liens   |   Fabricants
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com