поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

Preview PDF HTML

LT3645 датащи(PDF) 3 Page - Linear Technology

номер детали LT3645
подробное описание детали  36V 500mA Step-Down Regulator and 200mA LDO
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LT3645 датащи(HTML) 3 Page - Linear Technology

  LT3645 Datasheet HTML 1Page - Linear Technology LT3645 Datasheet HTML 2Page - Linear Technology LT3645 Datasheet HTML 3Page - Linear Technology LT3645 Datasheet HTML 4Page - Linear Technology LT3645 Datasheet HTML 5Page - Linear Technology LT3645 Datasheet HTML 6Page - Linear Technology LT3645 Datasheet HTML 7Page - Linear Technology LT3645 Datasheet HTML 8Page - Linear Technology LT3645 Datasheet HTML 9Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 3 / 24 page
background image
LT3645
3
3645f
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout on VIN
Rising
l
3
3.4
3.6
V
Overvoltage Lockout on VIN
Rising
l
36
38.5
40
V
Overvoltage Lockout Hysteresis
1V
Feedback Voltage FB
l
0.79
0.785
0.8
0.8
0.81
0.813
V
FB Pin Bias Current
l
20
300
nA
Feedback Voltage Line Regulation
l
0.015
%/V
VIN Quiescent Current
Not Switching
1.4
3
mA
VIN Quiescent Current in Shutdown
VEN/UVLO = 0.3V, VCC2 = 0V, VOUT2 = 0V
0.01
2
μA
Switching Frequency
675
750
825
kHz
Maximum Duty Cycle
100mA Load
l
83
87
%
Switch Current Limit
Rising (Note 4)
0.8
1
1.25
A
DA Pin Current to Stop Osc
0.6
1
1.25
A
Switch VCESAT
ISW = 500mA
400
mV
Switch Leakage Current
2μA
Minimum Boost Voltage Above Switch
ISW = 500mA
1.6
2.2
V
BOOST Pin Current
ISW = 500mA
10
18
mA
BOOST Schottky Forward Drop
IOUT = 50mA
0.7
0.9
V
EN/UVLO Threshold High
Rising
1.17
1.23
1.29
V
EN/UVLO Threshold Hysteresis
50
mV
EN/UVLO Input Current
VEN/UVLO = 5V
VEN/UVLO = 0V
25
50
1
μA
μA
Buck Soft-Start Time
0.9
1.8
ms
LDO Minimum Input Voltage VCC2
ILOAD = 200mA, VOUT2 = 0.8V, VIN = 4.0V
1.1
1.38
V
LDO Feedback Voltage FB2
l
782
797
810
mV
LDO FB2 Bias Current
l
20
300
nA
LDO Line Regulation
0.020
%/V
LDO Load Regulation
–1
mV
LDO Dropout Voltage (VCC2 to VOUT2)ILOAD = 10mA
ILOAD = 10mA
ILOAD = 200mA
l
45
310
65
145
mV
mV
mV
LDO Dropout Voltage (VIN to VOUT2)ILOAD = 200mA
ILOAD = 200mA
l
1.1
1.4
1.7
V
V
LDO Current Limit
l
210
270
mA
mA
EN2 Pin Threshold
Rising
Falling
l
l
0.5
1.3
0.8
1.6
V
V
LDO Soft-Start Time
0.6
1.2
ms
NPG VCESAT
INPG = 1mA, VFB = VFB2 = 850mV
0.4
V
NPG Leakage
VNPG = 16V, VFB = VFB2 = 750mV
0.5
μA
FB2 NPG Threshold, % of Regulation Voltage
VFB = 800mV, VFB2 Rising
88
90
92
%
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, BOOST = 15.3V, VCC2 = 3.3V, OUT2 = 1.8V unless
otherwise noted. (Notes 2, 3)



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24


датащи скачать

Go To PDF Page


ссылки URL



Вашему бизинису помогли Аллдатащит?  [ DONATE ] 

Что такое Аллдатащит   |   реклама   |   контакт   |   Конфиденциальность   |   Ссылка на техническое описание    |   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