поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

UC3856 датащи(PDF) 4 Page - Unisonic Technologies

номер детали UC3856
подробное описание детали  LOW COST POWER-SAVING MODE PWM CONTROLLER
Download  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  UTC [Unisonic Technologies]
домашняя страница  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UC3856 датащи(HTML) 4 Page - Unisonic Technologies

  UC3856 Datasheet HTML 1Page - Unisonic Technologies UC3856 Datasheet HTML 2Page - Unisonic Technologies UC3856 Datasheet HTML 3Page - Unisonic Technologies UC3856 Datasheet HTML 4Page - Unisonic Technologies UC3856 Datasheet HTML 5Page - Unisonic Technologies UC3856 Datasheet HTML 6Page - Unisonic Technologies UC3856 Datasheet HTML 7Page - Unisonic Technologies UC3856 Datasheet HTML 8Page - Unisonic Technologies UC3856 Datasheet HTML 9Page - Unisonic Technologies Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 10 page
background image
UC3856
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 10
www.unisonic.com.tw
QW-R103-077.D
ABSOLUTE MAXIMUM RATINGS (TA=25°C, VDD =15V, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VDD
30
V
Input Voltage to FB Pin
VFB
-0.3~7
V
Input Voltage to CS Pin
VSENSE
-0.3~7
V
Junction Temperature
TJ
+150
C
Operating Temperature
TOPR
-40~+125
°C
Storage Temperature
TSTG
-50~+150
C
Notes: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
OPERATING RANGE
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VDD
10~26
V
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=15V, RI =100KΩ,unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
HV START
Supply Current from ST Pin
IST
2
2.8
5
mA
Start Pin Leakage Current After Startup
IEAKAGE
10
μA
SUPPLY SECTION
Start Up Current
ISTR
VDD=VDD(ON)-0.1V
5
20
μA
IC Operating current
IOP
VFB=3.5V
1.5
5
mA
VDD Over Voltage Protection
VDD_CLAMP
I_CLAMP=20mA
26.5
28
29.5
V
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTHD(ON)
12
13
14
V
Min. Operating Voltage
VDD(MIN)
5.5
6.5
7.5
V
CONTROL SECTION
VFB Open Loop Voltage Level
VFB-OPEN
5.15
5.45
5.75
V
PWM Input Gain
AVCS
∆VFB/∆VCS
3
V/V
Burst-Mode Out FB Voltage
VFB(OUT)
VSENSE =0
1.87
V
Reduce-Frequency end FB Voltage
VFB(END)
VSENSE =0
2.5
V
Burst-Mode Enter FB Voltage
VFB(IN)
VSENSE =0
1.56
V
Normal
VFB=3.5V, RI=100KΩ
55
62
67
KHz
Switch Frequency
Power-Saving
FSW
Before enter burst mode
22
KHz
Duty Cycle
DMAX
VFB=3.5V, VSENSE=0
75
%
Frequency Hopping
FJ(SW)
-4
+4
%
Frequency VDD Stability
FDV
VDD=12V~20V
5
%
Frequency Temperature Stability
FDT
T=-20~100°C
1.5
5
%
Feedback Resistor
RFB
11
KΩ
PROTECTION SECTION
VCC Over Voltage Protection Threshold
VOVP
27.2
V
FB PIN Over Load Protection Threshold
VOLP
4.0
4.5
5.5
V
Over Load Protection Delay-Time
TDelay
VFB=3~5V (OLP)
98
mS
OTP threshold
T(THR)
VFB=4.2V
145
°C
CURRENT LIMITING SECTION
Over Current Flat Threshold Voltage
VCS
VFB=4.2V
0.65
0.75
0.85
V
Lead Edge Blanking Time
TLEB
400
ns
DRIVER OUTPUT SECTION
Output Voltage Low State
VOL
VDD=16,IO=-20mA
0.8
V
Output Voltage High State
VOH
VDD=16,IO=20mA
10
V
Output Voltage Rise Time
tR
CL=1.0nF
110
ns
Output Voltage Fall Time
tF
CL=1.0nF
70
ns


Аналогичный номер детали - UC3856

производительномер деталидатащиподробное описание детали
logo
Texas Instruments
UC3856 TI-UC3856 Datasheet
386Kb / 9P
[Old version datasheet]   Improved Current Mode PWM Controller
UC3856 TI1-UC3856 Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
UC3856 TI-UC3856 Datasheet
3Mb / 14P
[Old version datasheet]   Improved Current Mode PWM Controller
logo
E-Tech Electronics LTD
UC3856 ETL-UC3856 Datasheet
257Kb / 9P
   LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS
logo
Unisonic Technologies
UC3856 UTC-UC3856 Datasheet
358Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
More results

Аналогичное описание - UC3856

производительномер деталидатащиподробное описание детали
logo
Unisonic Technologies
UC3800 UTC-UC3800_18 Datasheet
221Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3873A UTC-UC3873A Datasheet
309Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3973 UTC-UC3973 Datasheet
353Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3800 UTC-UC3800 Datasheet
225Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3873 UTC-UC3873_16 Datasheet
263Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
US4651S UTC-US4651S Datasheet
363Kb / 9P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3875C UTC-UC3875C Datasheet
295Kb / 9P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3863A UTC-UC3863A Datasheet
342Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3875A UTC-UC3875A Datasheet
333Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3863 UTC-UC3863_17 Datasheet
262Kb / 9P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
UC3856 UTC-UC3856_17 Datasheet
358Kb / 10P
   LOW COST POWER-SAVING MODE PWM CONTROLLER
More results


Html Pages

1 2 3 4 5 6 7 8 9 10


датащи скачать

Go To PDF Page


ссылки URL




Конфиденциальность
ALLDATASHEETRU.COM
Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   обмен ссыками   |   поиск по производителю
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