công cụ tìm kiếm bảng dữ liệu linh kiện điện tử
  Vietnamese  ▼
ALLDATASHEET.VN

X  

Preview PDF HTML

LM2587 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
tên linh kiện LM2587
Giải thích chi tiết về linh kiện  SIMPLE SWITCHER 5A Flyback Regulator
PDF  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2587 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI)

  LM2587 Datasheet HTML 1Page - National Semiconductor (TI) LM2587 Datasheet HTML 2Page - National Semiconductor (TI) LM2587 Datasheet HTML 3Page - National Semiconductor (TI) LM2587 Datasheet HTML 4Page - National Semiconductor (TI) LM2587 Datasheet HTML 5Page - National Semiconductor (TI) LM2587 Datasheet HTML 6Page - National Semiconductor (TI) LM2587 Datasheet HTML 7Page - National Semiconductor (TI) LM2587 Datasheet HTML 8Page - National Semiconductor (TI) LM2587 Datasheet HTML 9Page - National Semiconductor (TI) Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 26 page
background image
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Voltage
−0.4V
≤ V
IN ≤ 45V
Switch Voltage
−0.4V
≤ V
SW ≤ 65V
Switch Current (Note 2)
Internally Limited
Compensation Pin Voltage
−0.4V
≤ V
COMP ≤ 2.4V
Feedback Pin Voltage
−0.4V
≤ V
FB ≤ 2VOUT
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature
(Soldering, 10 sec.)
260˚C
Maximum Junction
Temperature (Note 3)
150˚C
Power Dissipation (Note 3)
Internally Limited
Minimum ESD Rating
(C = 100 pF, R = 1.5 k
Ω
2kV
Operating Ratings
Supply Voltage
4V
≤ V
IN ≤ 40V
Output Switch Voltage
0V
≤ V
SW ≤ 60V
Output Switch Current
I
SW ≤ 5.0A
Junction Temperature Range
−40˚C
≤ T
J ≤ +125˚C
LM2587-3.3
Electrical Characteristics
Specifications with standard type face are for T
J = 25˚C, and those in bold type face apply over full Operating Temperature
Range. Unless otherwise specified, V
IN = 5V.
Symbol
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 2 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 12V
3.3
3.17/3.14
3.43/3.46
V
I
LOAD = 400 mA to 1.75A
∆V
OUT/
Line Regulation
V
IN = 4V to 12V
20
50/100
mV
∆V
IN
I
LOAD = 400 mA
∆V
OUT/
Load Regulation
V
IN = 12V
20
50/100
mV
∆I
LOAD
I
LOAD = 400 mA to 1.75A
η
Efficiency
V
IN = 12V, ILOAD = 1A
75
%
UNIQUE DEVICE PARAMETERS (Note 5)
V
REF
Output Reference
Measured at Feedback Pin
3.3
3.242/3.234
3.358/3.366
V
Voltage
V
COMP = 1.0V
∆V
REF
Reference Voltage
V
IN = 4V to 40V
2.0
mV
Line Regulation
G
M
Error Amp
I
COMP = −30 µA to +30 µA
1.193
0.678
2.259
mmho
Transconductance
V
COMP = 1.0V
A
VOL
Error Amp
V
COMP = 0.5V to 1.6V
260
151/75
V/V
Voltage Gain
R
COMP = 1.0 MΩ (Note 6)
LM2587-5.0
Electrical Characteristics
Specifications with standard type face are for T
J = 25˚C, and those in bold type face apply over full Operating Temperature
Range. Unless otherwise specified, V
IN = 5V.
Symbol
Parameters
Conditions
Typical
Min
Max
Units
SYSTEM PARAMETERS Test Circuit of
Figure 2 (Note 4)
V
OUT
Output Voltage
V
IN = 4V to 12V
5.0
4.80/4.75
5.20/5.25
V
I
LOAD = 500 mA to 1.45A
∆V
OUT/
Line Regulation
V
IN = 4V to 12V
20
50/100
mV
∆V
IN
I
LOAD = 500 mA
∆V
OUT/
Load Regulation
V
IN = 12V
20
50/100
mV
∆I
LOAD
I
LOAD = 500 mA to 1.45A
η
Efficiency
V
IN = 12V, ILOAD = 750 mA
80
%
www.national.com
2



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 25 26


bảng dữ liệu tải về

Go To PDF Page


Link URL



Cho đến nay ALLDATASHEET có giúp ích cho doanh nghiệp của bạn hay không?  [ DONATE ] 

Alldatasheet là   |   Quảng cáo   |   Liên lạc với chúng tôi   |   Chính sách bảo mật   |   Liên kết đến bảng dữ liệu    |   Trao đổi link   |   Tìm kiếm theo nhà sản xuất
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