поискавой системы для электроныых деталей
  Russian  ▼
ALLDATASHEETRU.COM

X  

LTM8050 датащи(PDF) 16 Page - Linear Technology

номер детали LTM8050
подробное описание детали  58V, 2A Step-Down 關Module Regulator
Download  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTM8050 датащи(HTML) 16 Page - Linear Technology

Back Button LTM8050 Datasheet HTML 12Page - Linear Technology LTM8050 Datasheet HTML 13Page - Linear Technology LTM8050 Datasheet HTML 14Page - Linear Technology LTM8050 Datasheet HTML 15Page - Linear Technology LTM8050 Datasheet HTML 16Page - Linear Technology LTM8050 Datasheet HTML 17Page - Linear Technology LTM8050 Datasheet HTML 18Page - Linear Technology LTM8050 Datasheet HTML 19Page - Linear Technology LTM8050 Datasheet HTML 20Page - Linear Technology Next Button
Zoom Inzoom in Zoom Outzoom out
 16 / 24 page
background image
LTM8050
16
8050fc
For more information www.linear.com/LTM8050
APPLICATIONS INFORMATION
Figure 2. The Input Diode Prevents a Shorted Input from
Discharging a Backup Battery Tied to the Output. It Also Protects
the Circuit from a Reversed Input. The LTM8050 Runs Only
When the Input is Present
minimize EMI and ensure proper operation. Even with the
high level of integration, you may fail to achieve specified
operation with a haphazard or poor layout. See Figure 3
for a suggested layout. Ensure that the grounding and
heat sinking are acceptable.
1. Place the RFB and RT resistors as close as possible to
their respective pins.
2. Place the CIN capacitor as close as possible to the VIN
and GND connection of the LTM8050.
3. Place the COUT capacitor as close as possible to the
VOUT and GND connection of the LTM8050.
4. Place the CIN and COUT capacitors such that their
ground current flow directly adjacent to or underneath
the LTM8050.
5. Connect all of the GND connections to as large a copper
pour or plane area as possible on the top layer. Avoid
breaking the ground connection between the external
components and the LTM8050.
6. For good heat sinking, use vias to connect the GND cop-
per area to the board’s internal ground planes. Liberally
distributetheseGNDviastoprovidebothagoodground
connectionandthermalpathtotheinternalplanesofthe
printed circuit board. Pay attention to the location and
density of the thermal vias in Figure 3. The LTM8050
can benefit from the heat-sinking afforded by vias that
connecttointernalGNDplanesattheselocations,dueto
their proximity to internal power handling components.
The optimum number of thermal vias depends upon
the printed circuit board design. For example, a board
might use very small via holes. It should employ more
thermal vias than a board that uses larger holes.
Hot-Plugging Safely
The small size, robustness and low impedance of ceramic
capacitors make them an attractive option for the input
bypass capacitor of LTM8050. However, these capacitors
can cause problems if the LTM8050 is plugged into a live
supply (see Linear Technology Application Note 88 for a
complete discussion). The low loss ceramic capacitor
combined with stray inductance in series with the power
source forms an underdamped tank circuit, and the volt-
age at the VIN pin of the LTM8050 can ring to more than
twice the nominal input voltage, possibly exceeding the
LTM8050’s rating and damaging the part. If the input
supply is poorly controlled or the user will be plugging
the LTM8050 into an energized supply, the input network
should be designed to prevent this overshoot. This can be
accomplished by installing a small resistor in series to VIN,
but the most popular method of controlling input voltage
overshoot is to add an electrolytic bulk capacitor to the
VIN net. This capacitor’s relatively high equivalent series
resistance damps the circuit and eliminates the voltage
overshoot. The extra capacitor improves low frequency
ripple filtering and can slightly improve the efficiency of
the circuit, though it is likely to be the largest component
in the circuit.
VIN
RUN/SS
RT
FB
VOUT
GND
8050 F02
LTM8050
VIN
VOUT
AUX
BIAS
SYNC
BIAS
AUX
VOUT
VIN
GND
GND
8050 F03
GND
THERMAL VIAS TO GND
RT
RFB
PGOOD
CIN
COUT
SYNC
RUN/SS
Figure 3. Layout Showing Suggested External Components, GND
Plane and Thermal Vias


Аналогичный номер детали - LTM8050

производительномер деталидатащиподробное описание детали
logo
Linear Technology
LTM8050 LINER-LTM8050 Datasheet
401Kb / 30P
   40VIN, 3.5A Step-Down Silent Switcher 關Module Regulator
LTM8050 LINER-LTM8050 Datasheet
376Kb / 28P
   40VIN, 3.5A Step-Down Silent Switcher 關Module Regulator
LTM8050 LINER-LTM8050 Datasheet
1Mb / 24P
   40VIN, 2A Silent Switcher 關Module Regulator
LTM8050 LINER-LTM8050 Datasheet
1Mb / 26P
   40VIN, 2.5A Silent Switcher 關Module Regulator
LTM8050 LINER-LTM8050 Datasheet
1Mb / 26P
   60VIN, 3A Silent Switcher 關Module Regulator
More results

Аналогичное описание - LTM8050

производительномер деталидатащиподробное описание детали
logo
Linear Technology
LTM8050 LINER-LTM8050_15 Datasheet
474Kb / 24P
   58V, 2A Step-Down Module Regulator
LTM4653 LINER-LTM4653 Datasheet
1Mb / 32P
   EN55022B Compliant 58V, 4A Step-Down DC/DC 關Module Regulator
LT3980 LINER-LT3980_15 Datasheet
331Kb / 24P
   58V, 2A, 2.4MHz Step-Down Switching Regulator with 85A Quiescent Current
LTM4624EY LINER-LTM4624EY Datasheet
464Kb / 6P
   4A Step-Down 關Module Regulator
LTM8023 LINER-LTM8023_15 Datasheet
760Kb / 24P
   2A, 36V DC/DC Step-Down Module Regulator
logo
Aimtron Technology
AT1799 AIMTRON-AT1799 Datasheet
348Kb / 14P
   2A Step-Down Voltage Regulator
logo
Intersil Corporation
EL7532 INTERSIL-EL7532_06 Datasheet
212Kb / 8P
   Monolithic 2A Step-Down Regulator
logo
Semtech Corporation
SC3102 SEMTECH-SC3102 Datasheet
1Mb / 17P
   2A Synchronous Step-Down Regulator
logo
STMicroelectronics
L4978 STMICROELECTRONICS-L4978_05 Datasheet
584Kb / 13P
   2A STEP DOWN SWITCHING REGULATOR
logo
Analog Intergrations Co...
AIC1595 AIC-AIC1595 Datasheet
65Kb / 5P
   2A STEP-DOWN PWM REGULATOR
More results


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




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