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

X  

UC2845 Fiches technique(PDF) 3 Page - STMicroelectronics

No de pièce UC2845
Description  CURRENTMODE PWM CONTROLLER
Download  11 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UC2845 Fiches technique(HTML) 3 Page - STMicroelectronics

  UC2845 Datasheet HTML 1Page - STMicroelectronics UC2845 Datasheet HTML 2Page - STMicroelectronics UC2845 Datasheet HTML 3Page - STMicroelectronics UC2845 Datasheet HTML 4Page - STMicroelectronics UC2845 Datasheet HTML 5Page - STMicroelectronics UC2845 Datasheet HTML 6Page - STMicroelectronics UC2845 Datasheet HTML 7Page - STMicroelectronics UC2845 Datasheet HTML 8Page - STMicroelectronics UC2845 Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 11 page
background image
ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these specifications apply for -25 < Tamb <
85
°C for UC2824X; 0 < Tamb <70°C for UC384X; Vi = 15V (note 5); RT = 10K; CT = 3.3nF)
Symbo l
Parameter
T est Cond ition s
UC284X
UC384X
Uni t
Mi n. T yp. 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
620
6
20
mV
∆VREF
Load Regulation
1
≤ Io ≤ 20mA
625
6
25
mV
∆VREF/∆T
Temperature Stability
(Note 2)
0.2
0.4
0.2
0.4
mV/
°C
Total Output Variant
Line, Load, Temperature (2)
4.9
5.1
4.82
5.18
V
eN
Output Noise Voltage
10Hz
≤ f ≤ 10KHz Tj =25°C
(2)
50
50
µV
Long Term Stability
Tamb = 125
°C, 1000Hrs (2)
525
5
25
mV
ISC
Output Short Circuit
-30
-100 -180
-30
-100
-180
mA
OSCILLATOR SECTION
fs
Initial Accuracy
Tj =25
°C (6)
47
52
57
47
52
57
KHz
Voltage Stability
12
≤ Vi ≤ 25V
0.2
1
0.2
1
%
Temperature Stability
TMIN
≤ Tamb ≤ TMAX (2)
55
%
V4
Amplitude
VPIN4 Peak to Peak
1.7
1.7
V
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
-0.3
-1
-0.3
-2
µA
AVOL
2
≤ Vo ≤ 4V
65
90
65
90
dB
B
Unity Gain Bandwidth
(2)
0.7
1
0.7
1
MHz
SVR
Supply Voltage Rejection
12V
≤ Vi ≤ 25V
60
70
60
70
dB
Io
Output Sink Current
VPIN2 = 2.7V
VPIN1 = 1.1V
2
6
2
6
V
Io
Output Source Current
VPIN2 = 2.3V VPIN1 = 5V
-0.5
-0.8
-0.5
-0.8
mA
VOUT High
VPIN2 = 2.3V;
RL = 15K
Ω to Ground
56
5
6
V
VOUT Low
VPIN2 = 2.7V;
RL = 15K
Ω to Pin 8
0.7
1.1
0.7
1.1
V
CURRENT SENSE SECTION
GV
Gain
(3 & 4)
2.85
3
3.15
2.8
3
3.2
V/V
V3
Maximum Input Signal
VPIN1 = 5V (3)
0.9
1
1.1
0.9
1
1.1
V
SVR
Supply Voltage Rejection
12
≤ Vi ≤ 25V (3)
70
70
dB
Ib
Input Bias Current
-2
-10
-2
-10
µA
Delay to Output
150
300
150
300
ns
OUTPUT SECTION
IOL
Output Low Level
ISINK = 20mA
0.1
0.4
0.1
0.4
V
ISINK = 200mA
1.5
2.2
1.5
2.2
V
IOH
Output High Level
ISOURCE = 20mA
13
13.5
13
13.5
V
ISOURCE = 200mA
12
13.5
12
13.5
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
UC2842/3/4/5-UC3842/3/4/5
3/11


Numéro de pièce similaire - UC2845

FabricantNo de pièceFiches techniqueDescription
logo
Texas Instruments
UC2845 TI-UC2845 Datasheet
433Kb / 8P
[Old version datasheet]   Current Mode PWM Controller
UC2845 TI-UC2845 Datasheet
937Kb / 3P
[Old version datasheet]   Current Mode PWM Controller
UC2845 TI-UC2845 Datasheet
720Kb / 24P
[Old version datasheet]   CURRENT MODE PWM CONTROLLER
logo
Unisonic Technologies
UC2845 UTC-UC2845 Datasheet
295Kb / 7P
   HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
logo
Texas Instruments
UC2845 TI-UC2845 Datasheet
708Kb / 28P
[Old version datasheet]   CURRENT MODE PWM CONTROLLER
More results

Description similaire - UC2845

FabricantNo de pièceFiches techniqueDescription
logo
ON Semiconductor
NCP1249C ONSEMI-NCP1249C Datasheet
1Mb / 33P
   High-Voltage CurrentMode PWM Controller Featuring Peak Power Excursion
September, 2013 ??Rev. 0
logo
Taiwan Semiconductor Co...
TS2581 TSC-TS2581 Datasheet
139Kb / 7P
   PWM Controller
logo
SANYO DENKI CO., LTD.
9PC8666X-S001 SANYODENKI-9PC8666X-S001 Datasheet
371Kb / 4P
   PWM Controller
logo
ON Semiconductor
FAN6756 ONSEMI-FAN6756 Datasheet
1Mb / 21P
   PWM Controller
Rev. 2.0.0
logo
TOKO, Inc
TK75001 TOKO-TK75001 Datasheet
102Kb / 13P
   PWM CONTROLLER
TK75003 TOKO-TK75003 Datasheet
108Kb / 14P
   PWM CONTROLLER
logo
ON Semiconductor
FAN6605 ONSEMI-FAN6605 Datasheet
1Mb / 18P
   PWM Controller
January 2015 Rev. 1.0
logo
Samsung semiconductor
KA7552 SAMSUNG-KA7552 Datasheet
90Kb / 5P
   PWM CONTROLLER
logo
Princeton Technology Co...
AS2916 PTC-AS2916 Datasheet
63Kb / 8P
   PWM Controller
logo
ON Semiconductor
FAN6757 ONSEMI-FAN6757 Datasheet
1Mb / 19P
   PWM Controller
Rev. 1.0.1
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11


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