数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

UC3875AL-S08-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 UC3875AL-S08-R
功能描述  LOW COST POWER-SAVING MODE PWM CONTROLLER
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

UC3875AL-S08-R 数据表(HTML) 4 Page - Unisonic Technologies

  UC3875AL-S08-R Datasheet HTML 1Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 2Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 3Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 4Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 5Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 6Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 7Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 8Page - Unisonic Technologies UC3875AL-S08-R Datasheet HTML 9Page - Unisonic Technologies Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 10 page
background image
UC3875A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 10
www.unisonic.com.tw
QW-R103-127.E
ABSOLUTE MAXIMUM RATINGS (TA=25°C, VDD =15V, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VDD
35
V
Input Voltage to FB Pin
VFB
-0.3 ~ 7
V
Input Voltage to CS Pin
VCS
-0.3 ~ 7
V
Junction Temperature
TJ
+150
C
Operating Temperature
TOPR
-40 ~ +125
°C
Storage Temperature
TSTG
-50 ~ +150
C
Note: 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 ~ 24
V
ELECTRICAL CHARACTERISTICS (TA=25°C, VDD=15V, RI =100KΩ，unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
HV START
MOSFET Drain-Source break Voltage
BVDSS
600
V
Supply Current from ST Pin
IST
0.75
mA
Start Pin Leakage Current After Startup
IEAKAGE
10
μA
SUPPLY SECTION
Start Up Current
ISTR
VDD=VDD(ON)-0.5V
2
15
μA
IC Operating current
IOP
VFB=3.5V
0.8
1.8
mA
VCC Zener Clamp Voltage
VCC(clamp) IVCC=20mA
31
33
35
V
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold Voltage
VTHD(ON)
16
18
20
V
Min. Operating Voltage
VDD(MIN)
6
7
8
V
CONTROL SECTION
VFB Open Loop Voltage Level
VFB-OPEN
5.4
V
Burst-Mode Out FB Voltage
VFB(OUT) VSENSE =0
1.5
V
Burst-Mode Enter FB Voltage
VFB(IN)
VSENSE =0
1.35
V
Normal
VFB=3.5V, RI=100KΩ
60
65
70
KHz
Switch Frequency
Power-Saving
FSW
Before enter burst mode
20
KHz
Duty Cycle
DMAX
VFB=3.5V, VSENSE=0
70
78
90
%
Frequency Hopping
FJ(SW)
-9
+9
%
Frequency VDD Stability
FDV
VDD=12V~20V
10
%
Frequency Temperature Stability
FDT
T=-40~85°C
10
%
RI Resistor Value Range
RI
50
100
150
KΩ
PROTECTION SECTION
VCC Over Voltage Protection Threshold
VOVP
VFB=3.9V
25
27
29
V
FB PIN Over Load Protection Threshold
VOLP
4.2
V
Soft start time
TSS
5
mS
Over Load Protection Delay-Time
TDelay
60
88
120
mS
OTP threshold
T(THR)
VFB=3.9V
150
°C
CURRENT LIMITING SECTION
Peak Current Flat Threshold Voltage
VCS-F
0.92
V
Peak Current Valley Threshold Voltage
VCS-V
VFB=4.0V, Duty=0%
0.60
0.65
0.70
V
Lead Edge Blanking Time
TLEB
200
350
550
ns



Html Pages

1 2 3 4 5 6 7 8 9 10


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
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