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

X  

预览 PDF HTML

LT1111-5 数据表(PDF) 2 Page - Linear Technology

部件名 LT1111-5
功能描述  Micropower DC/DC Converter Adjustable and Fixed 5V, 12V
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1111-5 数据表(HTML) 2 Page - Linear Technology

  LT1111-5 Datasheet HTML 1Page - Linear Technology LT1111-5 Datasheet HTML 2Page - Linear Technology LT1111-5 Datasheet HTML 3Page - Linear Technology LT1111-5 Datasheet HTML 4Page - Linear Technology LT1111-5 Datasheet HTML 5Page - Linear Technology LT1111-5 Datasheet HTML 6Page - Linear Technology LT1111-5 Datasheet HTML 7Page - Linear Technology LT1111-5 Datasheet HTML 8Page - Linear Technology LT1111-5 Datasheet HTML 9Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 16 page
background image
2
LT1111
A
G
A
U
A
R
BSOLUTEXI
TI
S
Operating Temperature Range
LT1111C ............................................... 0
°C to 70°C
LT1111I ......................................... – 40
°C to 105°C
LT1111M ....................................... – 55
°C to 125°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec) ................. 300
°C
PACKAGE/ORDER I FOR ATIO
Supply Voltage (VIN) ............................................... 36V
SW1 Pin Voltage (VSW1) ......................................... 50V
SW2 Pin Voltage (VSW2) ............................ – 0.5V to VIN
Feedback Pin Voltage (LT1111) ............................. 5.5V
Switch Current ....................................................... 1.5A
Maximum Power Dissipation ............................ 500mW
TJMAX = 150°C, θJA = 120°C/W (J)
TJMAX = 90°C, θJA = 130°C/W (N)
ORDER PART
NUMBER
LT1111CN8
LT1111CN8-5
LT1111CN8-12
LT1111MJ8
LT1111MJ8-5
LT1111MJ8-12
1
2
3
4
8
7
6
5
TOP VIEW
ILIM
VIN
SW1
SW2
FB (SENSE)*
SET
A0
GND
N8 PACKAGE
8-LEAD PLASTIC DIP
*FIXED VERSIONS
J8 PACKAGE
8-LEAD CERAMIC DIP
LT1111CS8
LT1111CS8-5
LT1111CS8-12
TJMAX = 90°C, θJA = 150°C/W
ORDER PART
NUMBER
1111
11115
11111
S8 PART MARKING
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IQ
Quiescent Current
Switch OFF
300
400
µA
VIN
Input Voltage
Step-Up Mode
q
2.0
12.6
V
Step-Down Mode
q
30.0
V
Comparator Trip Point Voltage
LT1111 (Note 1)
q
1.20
1.25
1.30
V
VOUT
Output Sense Voltage
LT1111-5 (Note 2)
q
4.75
5.00
5.25
V
LT1111-12 (Note 2)
q
11.40
12.00
12.60
V
Comparator Hysteresis
LT1111
q
8
12.5
mV
Output Hysteresis
LT1111-5
q
32
50
mV
LT1111-12
q
75
120
mV
fOSC
Oscillator Frequency
54
72
88
kHz
DC
Duty Cycle: Step-Up Mode
Full Load
43
50
59
%
Step-Down Mode
24
34
50
%
tON
Switch ON Time: Step-Up Mode
ILIM Tied to VIN
579
µs
Step-Down Mode
VOUT, = 5V, VIN = 12V
3.3
5
7.8
µs
VSAT
SW Saturation Voltage, Step-Up Mode
VIN = 3.0V, ISW = 650mA
0.5
0.65
V
VIN = 5.0V, ISW = 1A
0.8
1.0
V
SW Saturation Voltage, Step-Down Mode
VIN = 12V, ISW = 650mA
1.1
1.5
V
IFB
Feedback Pin Bias Current
LT1111, VFB = 0V
q
70
120
nA
ISET
Set Pin Bias Current
VSET = VREF
q
70
300
nA
VOL
Gain Block Output Low
ISINK = 300µA, VSET = 1.00V
q
0.15
0.4
V
ELECTRICAL C
C
HARA TERISTICS V
IN = 3V, Military or Commercial Version
Consult factory for Industrial grade parts
1
2
3
4
8
7
6
5
TOP VIEW
FB (SENSE)*
SET
A0
GND
ILIM
VIN
SW1
SW2
S8 PACKAGE
8-LEAD PLASTIC SO
*FIXED VERSION



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


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