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

X  

LM2623 bảng dữ liệu(PDF) 7 Page - Texas Instruments

tên linh kiện LM2623
Giải thích chi tiết về linh kiện  LM2623 General-Purpose, Gated-Oscillator-Based DC/DC Boost Converter
Download  21 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
Logo TI - Texas Instruments

LM2623 bảng dữ liệu(HTML) 7 Page - Texas Instruments

Back Button LM2623_15 Datasheet HTML 3Page - Texas Instruments LM2623_15 Datasheet HTML 4Page - Texas Instruments LM2623_15 Datasheet HTML 5Page - Texas Instruments LM2623_15 Datasheet HTML 6Page - Texas Instruments LM2623_15 Datasheet HTML 7Page - Texas Instruments LM2623_15 Datasheet HTML 8Page - Texas Instruments LM2623_15 Datasheet HTML 9Page - Texas Instruments LM2623_15 Datasheet HTML 10Page - Texas Instruments LM2623_15 Datasheet HTML 11Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 7 / 21 page
background image
LM2623
www.ti.com
SNVS188H – MAY 2004 – REVISED NOVEMBER 2014
7 Detailed Description
7.1 Overview
The LM2623 is designed to provide step-up DC-DC voltage regulation in battery-powered and low-input voltage
systems. It combines a step-up switching regulator, N-channel power MOSFET, built-in current limit, thermal
limit, and voltage reference in a single 8-pin VSSOP package Functional Block Diagram. The switching DC-DC
regulator boosts an input voltage between 0.8 V and 14 V to a regulated output voltage between 1.24 V and 14
V. The LM2623 starts from a low 1.1 V input and remains operational down to below 0.8 V.
This device is optimized for use in cellular phones and other applications requiring a small size, low profile, as
well as low quiescent current for maximum battery life during stand-by and shutdown. A high-efficiency gated-
oscillator topology offers an output of up to 2 A at low output voltages.
Additional features include a built-in peak switch current limit, and thermal protection circuitry.
7.2 Functional Block Diagram
7.3 Feature Description
7.3.1 Gated Oscillator Control Scheme.
The on/off regulation mode of the LM2623, along with its ultra-low quiescent current, results in good efficiency
over a very wide load range. The internal oscillator frequency can be programmed using an external resistor to
be constant or vary with the battery voltage. Adding a capacitor to program the frequency allows the designer to
adjust the duty cycle and optimize it for the application. Adding a resistor in addition to the capacitor allows the
duty cycle to dynamically compensate for changes to the input/output voltage ratio. We call this a Ratio Adaptive
Gated Oscillator circuit. See the Typical Application for sample application circuits. Using the correct RC
components to adjust the oscillator allows the part to run with low ripple and high efficiency over a wide range of
loads and input/output voltages.
Copyright © 2004–2014, Texas Instruments Incorporated
Submit Documentation Feedback
7
Product Folder Links: LM2623


Số phần tương tự - LM2623_15

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
LM2623 TI-LM2623_15 Datasheet
1Mb / 22P
[Old version datasheet]   General-Purpose, Gated-Oscillator-Based DC/DC Boost Converter
More results

Mô tả tương tự - LM2623_15

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
logo
Texas Instruments
LM2623AMM TI-LM2623AMM Datasheet
936Kb / 16P
[Old version datasheet]   LM2623 General Purpose, Gated Oscillator Based, DC/DC Boost Converter
LM2623 TI1-LM2623_14 Datasheet
958Kb / 16P
[Old version datasheet]   General Purpose, Gated Oscillator Based, DC/DC Boost Converter
logo
National Semiconductor ...
LM2623 NSC-LM2623_05 Datasheet
595Kb / 11P
   General Purpose, Gated Oscillator Based, DC/DC Boost Converter
logo
Texas Instruments
LM2623 TI-LM2623_15 Datasheet
1Mb / 22P
[Old version datasheet]   General-Purpose, Gated-Oscillator-Based DC/DC Boost Converter
logo
National Semiconductor ...
LM2623 NSC-LM2623_04 Datasheet
215Kb / 11P
   General Purpose, Gated Oscillator Based, DC/DC Boost Converter
LM2623 NSC-LM2623 Datasheet
216Kb / 11P
   General Purpose, Gated Oscillator Based, DC/DC Boost Converter
logo
Texas Instruments
LM2623-Q1 TI1-LM2623-Q1 Datasheet
428Kb / 20P
[Old version datasheet]   Automotive Gated-Oscillator-Based DC-DC Boost Converter
logo
Mitsubishi Electric Sem...
M62212P MITSUBISHI-M62212P Datasheet
52Kb / 8P
   GENERAL PURPOSE DC-DC CONVERTER
logo
Renesas Technology Corp
M62212P RENESAS-M62212P Datasheet
109Kb / 9P
   General Purpose DC/DC Converter
M62215FP RENESAS-M62215FP Datasheet
148Kb / 11P
   General Purpose Multifunction DC/DC Converter
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


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