CXSD62207系列产品是可对应陶瓷电容,内置了P沟道MOS驱动晶体管及N沟道 MOS开关晶体管的同步整流型的降压DC/DC转换器。输出电压能在0.8V~3.6V(±2.0%)之间,能以0.05V间隔在内部设定。外接零部件只使用线圈和电容,能得到输出电流为1A的高效率稳定电源。有1.2MHz,6MHz的振荡频率,可以选择最适用于应用目的的频率。采用了具有优越的瞬态响应的HiSAT-COT(*)控制,PWM/PFM自动转换控制CXSD62207),在从轻负载到重负载的整个负载区域内,实现了灵活的高速响应,低纹波率,高效率。通过在待机时整个电路停止工作,可以把消耗电流抑制在1.0μA以下。
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产品概述 返回TOP
CXSD62207系列产品是可对应陶瓷电容,内置了P沟道MOS驱动晶体管及N沟道 MOS开关晶体管的同步整流型的降压DC/DC转换器。输出电压能在0.8V~3.6V(±2.0%)之间,能以0.05V间隔在内部设定。外接零部件只使用线圈和电容,能得到输出电流为1A的高效率稳定电源。有1.2MHz,6MHz的振荡频率,可以选择最适用于应用目的的频率。采用了具有优越的瞬态响应的HiSAT-COT(*)控制,PWM/PFM自动转换控制CXSD62207),在从轻负载到重负载的整个负载区域内,实现了灵活的高速响应,低纹波率,高效率。通过在待机时整个电路停止工作,可以把消耗电流抑制在1.0μA以下。软启动功能在0.30ms(TYP.) 即可使电压高速地上升。内置了UVLO(Under Voltage Lock Out)功能,当输入电压在1.6V以下时,强制地使内部P沟道 MOS驱动晶体管停止工作。此外,B型通过CL的放电功能,在待机时使输出电容中的电荷放电。The CXSD62206/CXSD62207 series is a group of synchronous-rectification type DC/DC converters with a built-in P-channel MOS driver transistor and N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. Output voltage is internally set in a range from 0.8V to 3.6V (accuracy: ±2.0%) increments of 0.05V. The device provides a high efficiency, stable power supply with an output current of 1.0A to be configured using only a coil and two capacitors connected externally. Oscillation frequency is set to 1.2MHz or 6.0MHz can be selected for suiting to your particular application. As for operation mode HiSAT-COT (*) control excellent in transient response, the CXSD62206 series is PWM control, the CXSD62207 series is automatic PWM/PFM switching control, allowing fast response, low ripple and high efficiency over the full range of loads (from light load to heavy load). During stand-by, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less. As for the soft-start function as fast as 0.3ms in typical for quick turn-on. With the built-in UVLO (Under Voltage Lock Out) function, the internal P-channel MOS driver transistor is forced OFF when input voltage becomes 2.00V or lower. The B types integrate CL High Speed discharge function which enables the electric charge at the output capacitor CL to be discharged via the internal discharge. Two types of package SOT-25, USP-6C are available.
产品特点 返回TOP
   

应用范围 返回TOP
●Smart phones / Mobile phones
●Bluetooth
●Portable game consoles
●Digital still cameras / Camcorders
●Point-of-Load (POL)
●Wearable devices
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP


电路原理图 返回TOP

| 
			 降压型DC/DC转换器  | 
		|||||||||||||||
| 
			 产品名称  | 
			
			 特点  | 
			
			 封装  | 
			
			 控制  | 
			
			 FET  | 
			
			 Synch ronous  | 
			
			 VIN MIN  | 
			
			 VIN MAX  | 
			
			 VOUT MIN  | 
			
			 VOUT MAX  | 
			
			 IOUT IIN  | 
			
			 FB/VOUT电压精度  | 
			
			 振荡频率kHz  | 
			
			 限制 电流 mA  | 
			
			 消耗 电流 μA 
  | 
			
			 限定电流  | 
		
| 
			 (V)  | 
			
			 (V)  | 
			
			 (V)  | 
			
			 (V)  | 
			
			 mA  | 
			
			 自动 闩锁  | 
		||||||||||
| 
			 PWM/PFM  | 
			
			 SOT25 USP-6C  | 
			
			 PWM  | 
			
			 外置  | 
			
			 No  | 
			
			 2.2  | 
			
			 10  | 
			
			 1.5  | 
			
			 6  | 
			
			 1000  | 
			
			 ±2.5%  | 
			
			 180  | 
			
			 15  | 
			|||
| 
			 PWM/PFM  | 
			
			 SOT25 USP-6C  | 
			
			 PWM/PFM  | 
			
			 外置  | 
			
			 No  | 
			
			 2.2  | 
			
			 10  | 
			
			 1.5  | 
			
			 6  | 
			
			 1000  | 
			
			 ±2.5%  | 
			
			 180  | 
			
			 15  | 
			|||
| 
			 PWM/PFM  | 
			
			 TSSOP16  | 
			
			 PWM/PFM 外部转换  | 
			
			 外置  | 
			
			 Yes  | 
			
			 4  | 
			
			 25  | 
			
			 1.5  | 
			
			 15  | 
			
			 5000  | 
			
			 ±1.5%  | 
			
			 300  | 
			
			 450  | 
			
			 闩锁  | 
		||
| 
			 PWM/PFM  | 
			
			 SOT2 5USP-6C  | 
			
			 PWM  | 
			
			 外置  | 
			
			 No  | 
			
			 2.8  | 
			
			 16  | 
			
			 1.2  | 
			
			 3000  | 
			
			 ±1.5%  | 
			
			 300  | 
			
			 25  | 
			
			 闩锁  | 
		|||
| 
			 PWM/PFM  | 
			
			 SOT2 5USP-6C  | 
			
			 PWM/PFM  | 
			
			 外置  | 
			
			 No  | 
			
			 2.8  | 
			
			 16  | 
			
			 1.2  | 
			
			 3000  | 
			
			 ±1.5%  | 
			
			 300  | 
			
			 25  | 
			
			 闩锁  | 
		|||
| 
			 PWM/PFM  | 
			
			 MSOP10 USP10B  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.5  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1000  | 
			
			 900 2000  | 
			
			 30  | 
			
			 闩锁  | 
		|
| 
			 PWM/PFM  | 
			
			 MSOP1 0USP10B  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.5  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1000  | 
			
			 900 2000  | 
			
			 30  | 
			
			 闩锁  | 
		|
| 
			 PWM/PFM  | 
			
			 SOT25 USP6C USP6EL WLP5-03  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 1.8  | 
			
			 6  | 
			
			 0.8  | 
			
			 4  | 
			
			 600  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1050  | 
			
			 15  | 
			
			 闩锁  | 
		|
| 
			 PWM/PFM  | 
			
			 SOT25 USP6C USP6EL WLP5-03  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 1.8  | 
			
			 6  | 
			
			 0.8  | 
			
			 4  | 
			
			 600  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1050  | 
			
			 15  | 
			
			 闩锁  | 
		|
| 
			 PWM/PFM  | 
			
			 SOT25 USP6C USP6EL WLP5-03  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 1.8  | 
			
			 6  | 
			
			 0.8  | 
			
			 4  | 
			
			 600  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1050  | 
			
			 15  | 
			
			 闩锁  | 
		|
| 
			 2A降压同步整流  | 
			
			 SOP8F USP10B  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 4000  | 
			
			 41  | 
			
			 自动  | 
		|
| 
			 2A降压同步整流  | 
			
			 SOP8FD USP10B  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 4000  | 
			
			 41  | 
			
			 自动  | 
		|
| 
			 400mA 降压同步整流  | 
			
			 USPN6  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.3  | 
			
			 6  | 
			
			 0.8  | 
			
			 4  | 
			
			 400  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 900  | 
			
			 18  | 
			
			 闩锁  | 
		|
| 
			 400mA 降压同步整流  | 
			
			 USPN6  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.3  | 
			
			 6  | 
			
			 0.8  | 
			
			 4  | 
			
			 400  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 900  | 
			
			 18  | 
			
			 闩锁  | 
		|
| 
			 内置驱动晶体管、工作于16V  | 
			
			 SOT26W USP6C  | 
			
			 PWM  | 
			
			 Nch  | 
			
			 No  | 
			
			 4.5  | 
			
			 16  | 
			
			 1.2  | 
			
			 5.6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 2500  | 
			
			 150  | 
			
			 闩锁  | 
		|
| 
			 PWM/PFM  | 
			
			 SOT26W USP6C USP6C  | 
			
			 PWM/PFM  | 
			
			 Nch  | 
			
			 No  | 
			
			 4.5  | 
			
			 16  | 
			
			 1.2  | 
			
			 5.6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 2500  | 
			
			 150  | 
			
			 闩锁  | 
		|
| 
			 PWM  | 
			
			 SOP8FD  | 
			
			 PWM  | 
			
			 Nch  | 
			
			 Yes  | 
			
			 4.5  | 
			
			 18  | 
			
			 1  | 
			
			 12  | 
			
			 2200  | 
			
			 ±1.5%  | 
			
			 500  | 
			
			 2100  | 
			
			 760  | 
			
			 自动 闩锁  | 
		|
| 
			 适应105℃工作于30V 低消耗电流  | 
			
			 SOP8FD  | 
			
			 PWM  | 
			
			 Nch  | 
			
			 No  | 
			
			 7  | 
			
			 30  | 
			
			 1.2  | 
			
			 12  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 300  | 
			
			 3200  | 
			
			 200 250  | 
			
			 自动・闩锁  | 
		|
| 
			 适应105℃工作于30V 低消耗电流  | 
			
			 SOP8FD  | 
			
			 PWM/PFM  | 
			
			 Nch  | 
			
			 No  | 
			
			 7  | 
			
			 30  | 
			
			 1.2  | 
			
			 12  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 300  | 
			
			 3200  | 
			
			 200 250  | 
			
			 自动 闩锁  | 
		|
| 
			 适应105℃工作于30V 低消耗电流  | 
			
			 TSSOP16 USP10B  | 
			
			 PWM/PFM 外部转换  | 
			
			 外置  | 
			
			 No  | 
			
			 3  | 
			
			 30  | 
			
			 0.8  | 
			
			 ±2.0%  | 
			
			 ADJ  | 
			
			 30  | 
			
			 自动 闩锁  | 
		||||
| 
			 PWM/PFM For USB 3.0  | 
			
			 SOT25 USP6B  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2  | 
			
			 6  | 
			
			 3.3  | 
			
			 500  | 
			
			 ±2.0%  | 
			
			 600  | 
			
			 700  | 
			
			 15  | 
			
			 闩锁  | 
		||
| 
			 PWM/PFM  | 
			
			 SOT25 USP6C  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2  | 
			
			 6  | 
			
			 1.2  | 
			
			 600  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1050  | 
			
			 15  | 
			
			 闩锁  | 
		||
| 
			 COT控制 1A  | 
			
			 SOT25 USP6C  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.5  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1500  | 
			
			 250 400  | 
			
			 自动  | 
		|
| 
			 COT控制 1A  | 
			
			 SOT25 USP6C  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.5  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1500  | 
			
			 15,40  | 
			
			 自动  | 
		|
| 
			 COT控制 1A  | 
			
			 LGA8B01  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.5  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 1500  | 
			
			 15,40  | 
			
			 自动  | 
		|
| 
			 COT控制 1.5A  | 
			
			 SOT89-5 USP6C  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1500  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 3000  | 
			
			 250 400  | 
			
			 自动  | 
		|
| 
			 COT控制 1.5A  | 
			
			 SOT89-5 USP6C  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1500  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 3000  | 
			
			 15,25  | 
			
			 自动  | 
		|
| 
			 COT控制 1.5A  | 
			
			 LGA8B01  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1500  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 3000  | 
			
			 15,25  | 
			
			 自动  | 
		|
| 
			 工作于18V 内置驱动晶体管  | 
			
			 SOT25 USP6C  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 3  | 
			
			 18  | 
			
			 1  | 
			
			 15  | 
			
			 500  | 
			
			 ±1.5%  | 
			
			 500  | 
			
			 11.5, 12.5, 13.5  | 
			
			 自动 闩锁  | 
		||
| 
			 工作于18V 内置驱动晶体管  | 
			
			 SOT25 USP-6C  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 3  | 
			
			 18  | 
			
			 1  | 
			
			 15  | 
			
			 500  | 
			
			 ±1.5%  | 
			
			 500  | 
			
			 11.5, 12.5, 13.5  | 
			
			 自动 闩锁  | 
		||
| 
			 超低消耗 降压PFM同步整流  | 
			
			 SOT25 USP6EL  | 
			
			 PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2  | 
			
			 6  | 
			
			 1  | 
			
			 4  | 
			
			 200  | 
			
			 ±2.0%  | 
			
			 180 330  | 
			
			 0.5  | 
			|||
| 
			 COT控制 6A  | 
			
			 QFN040 4-24C  | 
			
			 PWM/PFM 外部转换  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 6000  | 
			
			 ±1.0%  | 
			
			 1200  | 
			
			 10000  | 
			
			 40  | 
			
			 闩锁  | 
		|
| 
			 适应105℃内置了工作于30V的驱动晶体管  | 
			
			 SOP8FD  | 
			
			 PWM  | 
			
			 Nch  | 
			
			 No  | 
			
			 7  | 
			
			 30  | 
			
			 1.2  | 
			
			 12  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 300  | 
			
			 3200  | 
			
			 200  | 
			
			 自动 闩锁  | 
		|
| 
			 105℃内置了工作于30V的驱动晶体管  | 
			
			 SOP8FD  | 
			
			 PWM/PFM  | 
			
			 Nch  | 
			
			 No  | 
			
			 7  | 
			
			 30  | 
			
			 1.2  | 
			
			 12  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 300  | 
			
			 3200  | 
			
			 200  | 
			
			 自动 闩锁  | 
		|
| 
			 超低消耗 降压PFM同步整流  | 
			
			 SOT25 USP6EL  | 
			
			 PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2  | 
			
			 6  | 
			
			 0.6  | 
			
			 0.95  | 
			
			 50  | 
			
			 0.5  | 
			
			 No  | 
		||||
| 
			 COT控制 3.0A  | 
			
			 QFN040 4-24C  | 
			
			 PWM,PWM PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 3000  | 
			
			 1200  | 
			
			 40  | 
			
			 闩锁  | 
		|||
| 
			 降压+P-ch Power MOS  | 
			
			 USP12B01  | 
			
			 PWM,PWM PFM  | 
			
			 Pch  | 
			
			 No  | 
			
			 4  | 
			
			 16  | 
			
			 1.2  | 
			
			 3000  | 
			
			 ±1.5%  | 
			
			 500  | 
			
			 闩锁  | 
		||||
| 
			 车载类, 2A同步整流  | 
			
			 USP10B  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 41  | 
			
			 Auto  | 
		||
| 
			 车载类, 2A 同步整流  | 
			
			 USP10B  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 6  | 
			
			 0.9  | 
			
			 6  | 
			
			 2000  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 41  | 
			
			 Auto  | 
		||
| 
			 车载类, COT控制 1.5A同步整流降压型  | 
			
			 USP6C  | 
			
			 PWM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1500  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 25  | 
			
			 Auto  | 
		||
| 
			 车载类, COT控制 1.5A同步整流降压型  | 
			
			 USP6C  | 
			
			 PWM/PFM  | 
			
			 Pch  | 
			
			 Yes  | 
			
			 2.7  | 
			
			 5.5  | 
			
			 0.8  | 
			
			 3.6  | 
			
			 1500  | 
			
			 ±2.0%  | 
			
			 1200  | 
			
			 25  | 
			
			 Auto  | 
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