输出4A电流高效同步降压型DC/DC变换器4.5至30V输入电压CXSD62543快速瞬态响应的瞬时PWM结构

CXSD62543 develops a high efficiency synchronous step-down DC/DC converter capable of delivering 4A output current. CXSD62543 operates over a wide input voltage range from 4.5V to 30V and integrates main switch and synchronous switch with very low R_DS(ON) to minimize the conduction loss.CXSD62543 adopts the proprietary instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 500kHz under continous conduction mode to minimize the size of inductor and capacitor.

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· Low R_DS(ON) for Internal Switches (Top/Bottom): 80/50mΩtsu嘉泰姆

· 4.5-30V Input Voltage Rangetsu嘉泰姆

· Instant PWM Architecture to Achieve Fast Transient Responsestsu嘉泰姆

· External Softstart Limits the Inrush Currenttsu嘉泰姆

· Pseudo-Constant Frequency: 500khz at Heavy Loadstsu嘉泰姆

· 4A Continuous, 5A Peak Load Current Capabilitytsu嘉泰姆

· 1.5% 0.6V Referencetsu嘉泰姆

· Output Over Current Limittsu嘉泰姆

· Output Short Circuit Protection with Current Fold Backtsu嘉泰姆

· Thermal Shutdown and Auto Recoverytsu嘉泰姆

· Rohs Compliant and Halogen Freetsu嘉泰姆

· Compact Package: SO8Etsu嘉泰姆

应用范围 返回TOPtsu嘉泰姆

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Single Output Step Down Regulator (Integrated Switch)tsu嘉泰姆
Numbertsu嘉泰姆	Vin tsu嘉泰姆 (min) tsu嘉泰姆 (V)tsu嘉泰姆	Vin tsu嘉泰姆 (max)tsu嘉泰姆 Vtsu嘉泰姆	UVLOtsu嘉泰姆 (V)tsu嘉泰姆	Iout tsu嘉泰姆 (max) tsu嘉泰姆 (A)tsu嘉泰姆	Vout tsu嘉泰姆 (min) tsu嘉泰姆 (V)tsu嘉泰姆	Out. tsu嘉泰姆 Voltage tsu嘉泰姆 Acurracytsu嘉泰姆	Quiescent tsu嘉泰姆 Current tsu嘉泰姆 Typ (uA)tsu嘉泰姆	Shutdowntsu嘉泰姆 Current tsu嘉泰姆 (uA)tsu嘉泰姆	MOSFET tsu嘉泰姆 (Ron H) tsu嘉泰姆 (mΩ)tsu嘉泰姆	MOSFET tsu嘉泰姆 (Ron L) tsu嘉泰姆 (mΩ)tsu嘉泰姆
CXSD62478tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	3.5tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	18tsu嘉泰姆	0.1tsu嘉泰姆	55tsu嘉泰姆	35tsu嘉泰姆
CXSD62479tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62480Atsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.4tsu嘉泰姆	1.2tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	200tsu嘉泰姆	150tsu嘉泰姆
CXSD62480Btsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.4tsu嘉泰姆	0.6tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	300tsu嘉泰姆	200tsu嘉泰姆
CXSD62481tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	200tsu嘉泰姆	150tsu嘉泰姆
CXSD62481Atsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	200tsu嘉泰姆	150tsu嘉泰姆
CXSD62481Btsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	3.3tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	200tsu嘉泰姆	150tsu嘉泰姆
CXSD62481Htsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1.5tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	180tsu嘉泰姆	120tsu嘉泰姆
CXSD62481Vtsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1.5tsu嘉泰姆	0.6tsu嘉泰姆	±1.5%tsu嘉泰姆	50tsu嘉泰姆	0.1tsu嘉泰姆	180tsu嘉泰姆	120tsu嘉泰姆
CXSD62482tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	230tsu嘉泰姆	150tsu嘉泰姆
CXSD62483tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	60tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62483Atsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	60tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62483Ctsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	60tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62484tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1.5tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	90tsu嘉泰姆	0.1tsu嘉泰姆	180tsu嘉泰姆	120tsu嘉泰姆
CXSD62484Ltsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	90tsu嘉泰姆	0.1tsu嘉泰姆	250tsu嘉泰姆	200tsu嘉泰姆
CXSD62485tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62486tsu嘉泰姆	2.5tsu嘉泰姆	6.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62487tsu嘉泰姆	2.5tsu嘉泰姆	6.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	260tsu嘉泰姆	170tsu嘉泰姆
CXSD62488tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	270tsu嘉泰姆	160tsu嘉泰姆
CXSD62489tsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	40tsu嘉泰姆	0.1tsu嘉泰姆	230tsu嘉泰姆	150tsu嘉泰姆
CXSD62490tsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	3tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62490Atsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	3tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62490Btsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	3tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	100tsu嘉泰姆	80tsu嘉泰姆
CXSD62490Etsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	3tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62491Btsu嘉泰姆	2.5tsu嘉泰姆	5.5tsu嘉泰姆	2.5tsu嘉泰姆	1.5tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	60tsu嘉泰姆	0.1tsu嘉泰姆	210tsu嘉泰姆	130tsu嘉泰姆
CXSD62491Etsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62492Ltsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	120tsu嘉泰姆	90tsu嘉泰姆
CXSD62493tsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62493Atsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62493Btsu嘉泰姆	2.7tsu嘉泰姆	5.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆	110tsu嘉泰姆	80tsu嘉泰姆
CXSD62494tsu嘉泰姆	2.7tsu嘉泰姆	6.5tsu嘉泰姆	2.65tsu嘉泰姆	2tsu嘉泰姆	0.6tsu嘉泰姆	±2%tsu嘉泰姆	55tsu嘉泰姆	0.1tsu嘉泰姆

目录

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