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

X  

UC2844BN Fiches technique(PDF) 3 Page - STMicroelectronics

No de pièce UC2844BN
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

UC2844BN Fiches technique(HTML) 3 Page - STMicroelectronics

  UC2844BN Datasheet HTML 1Page - STMicroelectronics UC2844BN Datasheet HTML 2Page - STMicroelectronics UC2844BN Datasheet HTML 3Page - STMicroelectronics UC2844BN Datasheet HTML 4Page - STMicroelectronics UC2844BN Datasheet HTML 5Page - STMicroelectronics UC2844BN Datasheet HTML 6Page - STMicroelectronics UC2844BN Datasheet HTML 7Page - STMicroelectronics UC2844BN Datasheet HTML 8Page - STMicroelectronics UC2844BN Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 15 page
background image
ELECTRICAL CHARACTERISTICS ( [note 1] Unless otherwise stated, these specifications apply for
-25 < Tamb <85
°C for UC284XB; 0 < Tamb <70°C for UC384XB; Vi = 15V (note 5); RT = 10K; CT = 3.3nF)
Symbol
Parameter
Test Cond it ions
UC284XB
UC384XB
Uni t
Min. Typ. Max. Min. Typ. Max.
REFERENCE SECTION
VREF
Output Voltage
Tj =25
°CIo = 1mA
4.95
5.00
5.05
4.90
5.00
5.10
V
∆VREF
Line Regulation
12V
≤ Vi ≤ 25V
220
2
20
mV
∆VREF
Load Regulation
1
≤ Io ≤ 20mA
325
3
25
mV
∆VREF/∆T Temperature Stability
(Note 2)
0.2
0.2
mV/
°C
Total Output Variation
Line, Load, Temperature
4.9
5.1
4.82
5.18
V
eN
Output Noise Voltage
10Hz
≤ f ≤ 10KHz Tj =25°C
(note 2)
50
50
µV
Long Term Stability
Tamb
=
125
°C, 1000Hrs
(note 2)
525
5
25
mV
ISC
Output Short Circuit
-30
-100 -180
-30
-100
-180
mA
OSCILLATOR SECTION
fOSC
Frequency
Tj =25
°C
TA =Tlow to Thigh
TJ =25°C(RT =6.2k, CT =1nF)
49
48
225
52
250
55
56
275
49
48
225
52
250
55
56
275
KHz
KHz
KHz
∆fOSC/∆V Frequency Change with Volt. VCC = 12V to 25V
0.2
1
0.2
1
%
∆fOSC/∆T Frequency Change with Temp. TA =Tlow to Thigh
–1
––
0.5
%
VOSC
Oscillator Voltage Swing
(peak to peak)
1.6
1.6
V
Idischg
Discharge Current (VOSC =2V) TJ =25°C
TA =Tlow to Thigh
7.8
7.5
8.3
8.8
8.8
7.8
7.6
8.3
8.8
8.8
mA
mA
ERROR AMP SECTION
V2
Input Voltage
VPIN1 = 2.5V
2.45
2.50
2.55
2.42
2.50
2.58
V
Ib
Input Bias Current
VFB = 5V
-0.1
-1
-0.1
-2
µA
AVOL
2V
≤ Vo ≤ 4V
65
90
65
90
dB
BW
Unity Gain Bandwidth
TJ =25°C
0.7
1
0.7
1
MHz
PSRR
Power Supply Rejec. Ratio
12V
≤ Vi ≤ 25V
60
70
60
70
dB
Io
Output Sink Current
VPIN2 = 2.7V
VPIN1 = 1.1V
2
12
2
12
mA
Io
Output Source Current
VPIN2 = 2.3V VPIN1 = 5V
-0.5
-1
-0.5
-1
mA
VOUT High
VPIN2 = 2.3V;
RL = 15K
Ω to Ground
5
6.2
5
6.2
V
VOUT Low
VPIN2 = 2.7V;
RL = 15K
Ω to Pin 8
0.8
1.1
0.8
1.1
V
CURRENT SENSE SECTION
GV
Gain
(note 3 & 4)
2.85
3
3.15
2.85
3
3.15
V/V
V3
Maximum Input Signal
VPIN1 = 5V (note 3)
0.9
1
1.1
0.9
1
1.1
V
SVR
Supply Voltage Rejection
12
≤ Vi ≤ 25V (note 3)
70
70
dB
Ib
Input Bias Current
-2
-10
-2
-10
µA
Delay to Output
150
300
150
300
ns
THERMAL DATA
Symbo l
Descri ption
Minid ip
SO 8
Unit
Rth j-amb
Thermal Resistance Junction-ambient.
max.
100
150
°C/W
UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
3/15


Numéro de pièce similaire - UC2844BN

FabricantNo de pièceFiches techniqueDescription
logo
ON Semiconductor
UC2844BN ONSEMI-UC2844BN Datasheet
433Kb / 20P
   HIGH PERFORMANCE CURRENT MODE CONTROLLERS
September, 2004 ??Rev. 3
logo
STMicroelectronics
UC2844BN STMICROELECTRONICS-UC2844BN Datasheet
135Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
UC2844BN STMICROELECTRONICS-UC2844BN Datasheet
239Kb / 15P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
logo
ON Semiconductor
UC2844BNG ONSEMI-UC2844BNG Datasheet
399Kb / 19P
   High Performance Current Mode Controllers
August, 2013 ??Rev. 11
More results

Description similaire - UC2844BN

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