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

X  

MC33762DM-2525R2 bảng dữ liệu(PDF) 9 Page - ON Semiconductor

tên linh kiện MC33762DM-2525R2
Giải thích chi tiết về linh kiện  Dual Ultra Low-Noise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
nhà sản xuất  ONSEMI [ON Semiconductor]
Trang chủ  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC33762DM-2525R2 bảng dữ liệu(HTML) 9 Page - ON Semiconductor

Back Button MC33762DM-2525R2 Datasheet HTML 5Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 6Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 7Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 8Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 9Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 10Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 11Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 12Page - ON Semiconductor MC33762DM-2525R2 Datasheet HTML 13Page - ON Semiconductor Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 16 page
background image
MC33762
http://onsemi.com
9
Understanding the Load Transient Improvement
The MC33762 features a novel architecture which allows
the user to easily implement the regulator in burst systems
where the time between two current shots is kept very small.
The quality of the transient response time is related to
many parameters, among which the closed−loop bandwidth
with the corresponding phase margin plays an important
role. However, other characteristics also come into play like
the series pass transistor saturation. When a current
perturbation suddenly appears on the output, e.g. a load
increase, the error amplifier reacts and actively biases the
PNP transistor. During this reaction time, the LDO is in
open−loop and the output impedance is rather high. As a
result, the voltage brutally drops until the error amplifier
effectively closes the loop and corrects the output error.
When the load disappears, the opposite phenomenon takes
place with a positive overshoot. The problem appears when
this overshoot decays down to the LDO steady−state value.
During this decreasing phase, the LDO stops the PNP bias
and one can consider the LDO asleep (Figure 8). If by
misfortune a current shot appears, the reaction time is
incredibly lengthened and a strong undershoot takes place.
This reaction is clearly not acceptable for line sensitive
devices, such as VCOs or other Radio−Frequency parts.
This problem is dramatically exacerbated when the output
current drops to zero rather than a few mA. In this later case,
the internal feedback network is the only discharge path,
accordingly lengthening the output voltage decay period
(Figure 9).
The MC33762 cures this problem by implementing a
clever design where the LDO detects the presence of the
overshoot and forces the system to go back to steady−state
as soon as possible, ready for the next shot. Figure 10 and 11
show how it positively improves the response time and
decreases the negative peak voltage.
Figure 8. A Standard LDO Behavior when the Load
Current Disappears
Figure 9. A Standard LDO Behavior when the Load
Current Appears in the Decay Zone
Figure 10. Without Load Transient Improvement
Figure 11. MC33762 with Load Transient Improvement


Số phần tương tự - MC33762DM-2525R2

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
ON Semiconductor
MC33762 ONSEMI-MC33762 Datasheet
3Mb / 4P
   AC-DC Offline Switching Controllers/Regulators
Rev.0, Jun-2005
More results

Mô tả tương tự - MC33762DM-2525R2

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
ON Semiconductor
NCP4561 ONSEMI-NCP4561 Datasheet
129Kb / 16P
   ULTRA LOW-NOISE LOW DROPOUT VOLTAGE REGULATOR WITH 1.0 ON/OFF CONTROL
May, 2002 ??Rev. 2
MC33761SNT1-030G ONSEMI-MC33761SNT1-030G Datasheet
408Kb / 13P
   Ultra Low?묿oise Low Dropout Voltage Regulator with 1.0 V ON/OFF Control
July, 2006 ??Rev. 8
MC33761 ONSEMI-MC33761 Datasheet
204Kb / 14P
   Ultra Low-Noise Low Dropout Voltage Regulator with 1V ON/OFF Control
January, 2004 ??Rev. 7
MC33263 ONSEMI-MC33263 Datasheet
269Kb / 12P
   Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control
April, 2000 ??Rev. 2
NCP623 ONSEMI-NCP623 Datasheet
148Kb / 14P
   Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control
August, 2004 ??Rev. 0
NCP623 ONSEMI-NCP623_06 Datasheet
212Kb / 16P
   Ultra Low Noise 150 mA Low Dropout Voltage Regulator with ON/OFF Control
September, 2006 ??Rev. 7
logo
New Japan Radio
NJM2386 NJRC-NJM2386 Datasheet
177Kb / 9P
   LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
NJM2388F12 NJRC-NJM2388F12 Datasheet
175Kb / 9P
   LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
NJM2370 NJRC-NJM2370 Datasheet
214Kb / 8P
   LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
NJM2396 NJRC-NJM2396 Datasheet
513Kb / 6P
   LOW DROPOUT VOLTAGE REGULATOR WITH ON/OFF CONTROL
More results


Html Pages

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


bảng dữ liệu tải về

Go To PDF Page


Link URL




Chính sách bảo mật
ALLDATASHEET.VN
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   |   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