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

X  

UC2845BN Fiches technique(PDF) 4 Page - STMicroelectronics

No de pièce UC2845BN
Description  HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
Download  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UC2845BN Fiches technique(HTML) 4 Page - STMicroelectronics

  UC2845BN Datasheet HTML 1Page - STMicroelectronics UC2845BN Datasheet HTML 2Page - STMicroelectronics UC2845BN Datasheet HTML 3Page - STMicroelectronics UC2845BN Datasheet HTML 4Page - STMicroelectronics UC2845BN Datasheet HTML 5Page - STMicroelectronics UC2845BN Datasheet HTML 6Page - STMicroelectronics UC2845BN Datasheet HTML 7Page - STMicroelectronics UC2845BN Datasheet HTML 8Page - STMicroelectronics UC2845BN Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 15 page
background image
Notes :
1. Max package power dissipation limits must be respected; low duty cycle pulse techniques are used during test maintain Tj as
close to Tamb as possible.
2. These parameters, although guaranteed, are not 100% tested in production.
3. Parameter measured at trip point of latch with V PIN2 =0.
4. Gain defined as :
∆ VPIN1
A=
; 0
≤ VPIN3 ≤ 0.8 V
∆ VPIN3
5. Adjust Vi above the start threshold before setting at 15 V.
ELECTRICAL CHARACTERISTICS (continued)
Symbo l
Parameter
T est Cond iti ons
UC284XB
UC384XB
Un it
Min. Typ. Max. Mi n. Typ. Max.
OUTPUT SECTION
VOL
Output Low Level
ISINK = 20mA
0.1
0.4
0.1
0.4
V
ISINK = 200mA
1.6
2.2
1.6
2.2
V
VOH
Output High Level
ISOURCE = 20mA
13
13.5
13
13.5
V
ISOURCE = 200mA
12
13.5
12
13.5
V
VOLS
UVLO Saturation
VCC = 6V; ISINK = 1mA
0.1
1.1
0.1
1.1
V
tr
Rise Time
Tj =25
°CCL = 1nF (2)
50
150
50
150
ns
tf
Fall Time
Tj =25
°CCL = 1nF (2)
50
150
50
150
ns
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold
X842B/4B
15
16
17
14.5
16
17.5
V
X843B/5B
7.8
8.4
9.0
7.8
8.4
9.0
V
Min Operating Voltage
After Turn-on
X842B/4B
9
10
11
8.5
10
11.5
V
X843B/5B
7.0
7.6
8.2
7.0
7.6
8.2
V
PWM SECTION
Maximum Duty Cycle
X842B/3B
94
96
100
94
96
100
%
X844B/5B
47
48
50
47
48
50
%
Minimum Duty Cycle
0
0
%
TOTAL STANDBY CURRENT
Ist
Start-up Current
Vi = 6.5V for UCX843B/45B
0.3
0.5
0.3
0.5
mA
Vi = 14V for UCX842B/44B
0.3
0.5
0.3
0.5
mA
Ii
Operating Supply Current
VPIN2 =VPIN3 =0V
12
17
12
17
mA
Viz
Zener Voltage
Ii = 25mA
30
36
30
36
V
UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
4/15


Numéro de pièce similaire - UC2845BN

FabricantNo de pièceFiches techniqueDescription
logo
STMicroelectronics
UC2845BN STMICROELECTRONICS-UC2845BN Datasheet
135Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC2845BN STMICROELECTRONICS-UC2845BN Datasheet
239Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
logo
ON Semiconductor
UC2845BNG ONSEMI-UC2845BNG Datasheet
387Kb / 19P
   High Performance Current Mode Controllers
December, 2012 ??Rev. 11
More results

Description similaire - UC2845BN

FabricantNo de pièceFiches techniqueDescription
logo
STMicroelectronics
UC2842B STMICROELECTRONICS-UC2842B Datasheet
135Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC2842A STMICROELECTRONICS-UC2842A Datasheet
167Kb / 16P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC3844BD1013TR STMICROELECTRONICS-UC3844BD1013TR Datasheet
239Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC3845BD1013TR STMICROELECTRONICS-UC3845BD1013TR Datasheet
239Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
E-UC3843BD1 STMICROELECTRONICS-E-UC3843BD1 Datasheet
239Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
logo
Holtek Semiconductor In...
HT7A3942 HOLTEK-HT7A3942 Datasheet
1Mb / 11P
   High Performance Current Mode PWM Controller
logo
Semtech Corporation
SC4809A SEMTECH-SC4809A_16 Datasheet
321Kb / 16P
   High Performance Current Mode PWM Controller
logo
STMicroelectronics
UC3844T STMICROELECTRONICS-UC3844T Datasheet
228Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
logo
Texas Instruments
TL2843B-Q1 TI-TL2843B-Q1_15 Datasheet
286Kb / 18P
[Old version datasheet]   HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLER
logo
List of Unclassifed Man...
M5576 ETC-M5576 Datasheet
686Kb / 10P
   High performance current mode PWM controller
V1.0
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15


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