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TD8218のメーカーはTechcodeです、この部品の機能は「3A constant load current Boost DC/DC Controller」です。 |
部品番号 | TD8218 |
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部品説明 | 3A constant load current Boost DC/DC Controller | ||
メーカ | Techcode | ||
ロゴ | |||
このページの下部にプレビューとTD8218ダウンロード(pdfファイル)リンクがあります。 Total 10 pages
T echcode®
3A constant load current Boost DC/DC Controller
DATASHEET
TD8218
General Description
Features
TD8218 is a compact, high efficiency, fixed frequency Boost
DC/DC regulator. PFM mode for improved efficiency at low
output power. The 1MHz high switching frequency allows
smaller inductor and output capacitor, making the TD8218
ideally suited for small battery‐powered applications and
internal compensation reduce external component count and
saves PCB space.
The TD8218 contains thermal shutdown function and over
current protection circuit. Built‐in soft‐start circuitry
prevents excessive inrush current during start‐up.
The TD8218 is available in a Pb‐free, SOP‐8 package.
Boost DC/DC regulator with 3A constant load
current
With internal NMOS.
Device quiescent current: 280uA.
Internal soft_start and internal compensation.
6A maximum peak current limit.
Switching frequency: 1MHz.
Power save mode(PFM) for improved efficiency at
low output power
Over current protect and over temperature
protection.
Compact package: SOP‐8.
Applications
Cell Phone and Smart Phone
PDA, PMP, MP3
Digital Camera
Pin Configurations
VIN 1
8 GND
EN 2
7 GND
GND 3 TD8218 6 LX
FB 4
5 LX
Figure1 Pin Configuration of TD8218(Top View)
March, 20, 2013. Techcode Semiconductor Limited www.techcodesemi.com
1
1 Page T echcode®
3A constant load current Boost DC/DC Controller
Function Block
DATASHEET
TD8218
Figure 2 Function Block Diagram of TD8218
Absolute Maximum Ratings
EN, VDD, LX,‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 7V
FB‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 3.6V
SOP‐8, θJA ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 90°C/W
SOP‐8, θJC ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 45°C/W
Junction Temperature Range ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 125°C
Lead Temperature (Soldering, 10 sec.) ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ 260°C
Storage Temperature Range ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ ‐65°C to 150°C
March, 20, 2013. Techcode Semiconductor Limited www.techcodesemi.com
3
3Pages T echcode®
3A constant load current Boost DC/DC Controller
Typical Application Circuit
DATASHEET
TD8218
March, 20, 2013. Techcode Semiconductor Limited www.techcodesemi.com
6
6 Page | |||
ページ | 合計 : 10 ページ | ||
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