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參數(shù)資料
| 型號(hào)： | SC2603EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | Simple PWM Boost Controller |
| 中文描述： | 簡(jiǎn)單PWM升壓控制器 |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 229K |
| 代理商： | SC2603EVB |
POWER MANAGEMENT
Description
1
www.semtech.com
SC2603
Simple PWM Boost Controller
Features
Applications
Revision: Nov 14, 2006
Typical Application Circuit
The SC2603 is a versatile, low-cost, voltage-mode PWM
controller designed for 16V input DC/DC power supply
applications. A simple, fixed-voltage boost regulator can
be implemented using the SC2603 with a minimum of
external components. The small device footprint
allows for compact circuit design.
SC2603 features include a temperature compensated
voltage reference, triangle wave oscillator, current limit
comparator, frequency shift over-current protection, and
an internally compensated error amplifier. Pulse by pulse
current limiting is implemented by sensing the
differential voltage across an external resistor, or an
appropriately sized PC board trace.
The SC2603 operates at a fixed frequency of 200kHz,
providing an optimum compromise between efficiency,
external component size, and cost.
u
Low cost / small size
u
Switch mode efficiency up to 95%
u
1% reference voltage accuracy
u
Over-current protection
u
800mA output drive
u
5V to 16V input power source
u
No need for external compensation network
u
SOT23-6 is fully WEEE and RoHS compliant
u
Portable Devices
u
Flat Panel TV
u
TV Set Top Box
u
Auxiliary Supplies
u
Peripheral Card Supplies
u
Industrial Power Supplies
u
High Density DC/DC Conversion
R2
R3
L1
Q1
D1
C2
C1
R4
VIN
VOUT
GND
D2
optional
U2
SC2603
VIN
5
EN/SS
3
FB
1
GND
2
CS
6
Gate
4
R1
C4
Enable
C3
R5
C5
Open Drain with < 100
pull down impedance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2603SKTRT | Simple PWM Boost Controller |
| SC2603 | Simple PWM Boost Controller |
| SC2608A | Simple, Synchronous Voltage Mode PWM Controller |
| SC2608AEVB | Simple, Synchronous Voltage Mode PWM Controller |
| SC2608ASTRT | Simple, Synchronous Voltage Mode PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2603SKTRT | 制造商:Semtech Corporation 功能描述:Voltage Mode PWM Controller 800mA 6-Pin SOT-23 T/R 制造商:Semtech Corporation 功能描述:Simple PWM Boost Controller SOT23-6 |
| SC2604 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Simple PWM Boost Controller with Input Disconnect FET Drive |
| SC2604EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Simple PWM Boost Controller with Input Disconnect FET Drive |
| SC2604MSTRT | 制造商:Semtech Corporation 功能描述:Voltage Mode PWM Controller -0.3V to 20V 800mA 8-Pin MSOP T/R |
| SC2608 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Simple, Synchronous Voltage Mode PWM Controller |
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