 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
SC4524CSETRT Datasheet(PDF) 1 Page - Samtec, Inc |
|
|
|||||||||||||||||||||||||||||
SC4524CSETRT Datasheet(HTML) 1 Page - Samtec, Inc |
|
|
1 / 22 page  POWER MANAGEMENT 28V 2A Step-Down Switching Regulator SC4524C © 20 Semtech Corporation Typical Application Circuit Features Wide input range: 3V to 28V 2A Output Current 200kHz to 2MHz Programmable Frequency Precision V Feedback Voltage Peak Current-Mode Control Cycle-by-Cycle Current Limiting Hiccup Overload Protection with Frequency Foldback Soft-Start and Enable Thermal Shutdown Thermally Enhanced 8-pin SOIC Package Fully RoHS and WEEE compliant Applications XDSL and Cable Modems Set Top Boxes Point of Load Applications CPE Equipment DSP Power Supplies LCD and Plasma TVs Automotive Car Audio Description The SC4524C is a constant frequency peak current-mode step-down switching regulator capable of producing 2A output current from an input ranging from 3V to 28V. The switching frequency of the SC4524C can be programmed up to 2MHz for component miniaturization or it can be set at lower frequencies to accommodate high step-down ratios. The SC4524C is suitable for next generation XDSL modems, high-definition TVs and various point of load applications. Peak current-mode PWM control employed in the SC4524C achieves fast transient response with simple loop compensation. Cycle-by-cycle current limiting and hiccup overload protection reduces power dissipation during output overload. Soft-start function reduces input start- up current and prevents the output from overshooting during power-up. The SC4524C is available in SOIC-8 EDP package. Figure 1. 1MHz 10V-28V to 5V/2A Step-down Converter Efficiency 40 45 50 55 60 65 70 75 80 85 90 0 0.5 1 1.5 2 Load Current (A) VIN=24V SS270REV4 VIN=12V Fig.1Efficiencyofthe1MHz10V-28Vto5V/2AStep-DownConverter(FrontPage) SC4524C GND IN SW BST L1 8.2 H C1 0.33 F SS/EN COMP FB D2 20BQ030 10.5k R6 42.2k 10nF C8 22pF C5 2.2nF L1:Coiltronics DR73-8R2 OUT 5V/2A D1 1N4148 10V– 28V ROSC C2:MurataGRM31CR60J226K C4 2.2 F C4:MurataGRM31CR71H225K VIN C2 22 F C7 R4 15.8k R5 28.0k R7 Revision 5.0 |
Similar Part No. - SC4524CSETRT |
|
Similar Description - SC4524CSETRT |
|
|
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
