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參數資料
| 型號： | SC2672 |
| 廠商： | Semtech Corporation |
| 英文描述： | Dual Synchronous Voltage Mode Controller |
| 中文描述： | 雙同步電壓模式控制器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 225K |
| 代理商： | SC2672 |
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www.semtech.com
SC2672
Dual Synchronous
Voltage Mode Controller
POWER MANAGEMENT
Description
Features
Applications
Revision: July 15, 2004
The SC2672 is a versatile 2 phase, synchronous, volt-
age mode PWM controller that may be used in two dis-
tinct ways. The SC2672 is ideal for dual voltage inde-
pendent applications. The SC2672 features a tempera-
ture compensated voltage reference, an undervoltage
lockout over current protection and internal level-shifted,
high-side drive circuitry.
In dual switcher configuration, two feedback paths are
provided for independent control of the separate out-
puts. The device will provide a regulated output from
flexibly configured inputs (3.3V, 5V, 12V), provided 5V is
present for V
. The two switchers are 180° out of phase
to minimize input and output ripple.
300kHz operating frequency
Soft Start
Power Good output provided
Undervoltage current limit
Phase-shifted switchers minimize ripple
High efficiency operation, >90%
Programmable output(s) as low as .9V
Industrial temperature range
SOIC-16 pin package
Bias voltage as low as 4.5V
Two Independent PWM Controllers
Flexible, same or separate V
Independent control for each channel
Independent and separate output UVLO
2 phases operating opposed for ripple reduction
(if same V
IN
used)
Graphics cards
Peripheral add-in card
Power supplies requiring two outputs
Typical Application Schematic
相關PDF資料 |
PDF描述 |
|---|---|
| SC2677B | Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677BEVB-1 | Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677BEVB-2 | Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677BITSTRT | Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677BTETRT | Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC2672STRT | 制造商:Semtech Corporation 功能描述:SC Series 10 mA 330 kHz SMT Dual Synchronous Voltage Mode Controller - SOIC-16 |
| SC2677 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677B | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677B_09 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
| SC2677BEVB-1 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual Synchronous Voltage Mode Controller with Current Sharing Circuitry |
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