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參數資料
| 型號： | SC2618SKTRT |
| 廠商： | Semtech Corporation |
| 英文描述： | Miniature PWM Controller for Buck Regulator |
| 中文描述： | 微型PWM控制器的降壓穩壓器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 415K |
| 代理商： | SC2618SKTRT |
POWER MANAGEMENT
Description
1
www.semtech.com
SC2618
Miniature PWM Controller
for Buck Regulator
Features
Applications
Graphics IC Power supplies
Embedded, low cost, high efficiency converters
Revision: September 19, 2005
Typical Application Circuit
The SC2618 is a hysteretic mode PWM controller de-
signed for high efficiency, low cost “Point of Load” appli-
cations.
The hysteretic control scheme allows the use of ceramic
output capacitors without the need for compensation
components and difficult calculations.
An internal soft start prevents output voltage from start
up overshoot. A “Hiccup” short circuit protection provides
protection against output short circuits as well as ad-
verse input supply sequencing.
Operating Frequency up to 500kHz
Input supply from 5V to 12V
0.5A gate drive capability
Internal soft start
Internal, trimmed bandgap reference (
±1%)
Hiccup mode short circuit protection
Input supply sequence protection
6 lead SOT23 package
GND
VCC
BOOST
VIN
Q2
GND
VO
Q1
SC2618
2
3
1
5
6
4
GND
VCC
DL
BST
DH
FB
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PDF描述 |
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| SC2620SETRT | Dual 2A, 30V Step-down Regulator with Programmable Frequency up to 1.4MHz |
| SC2621A | Voltage Mode PWM Controller With Linear Power Regulator |
| SC2621AEVB | Voltage Mode PWM Controller With Linear Power Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC261B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|200V V(DRM)|25A I(T)RMS|PRESS-13 |
| SC261C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|300V V(DRM)|25A I(T)RMS|PRESS-13 |
| SC261D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|400V V(DRM)|25A I(T)RMS|PRESS-13 |
| SC261E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|500V V(DRM)|25A I(T)RMS|PRESS-13 |
| SC26-1L | 制造商:Thomas & Betts 功能描述:OMNI HOUSE HOOK - EXTRA LONG |
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