tep-down DC/DC converter CXSD62609 step-down DC/DC converter 2A load without additional transistor Voltage Mode Non-Synchronous PWM Control

CXSD62609 It saves board space.The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes feedback control having good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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The CXSD62609 are monolithic  IC designed  for a step-down DC/DC converter, and own the ability of driving a 2A load without additional transistor. It saves board space.The external shutdown function can be controlled by logic level and then come into standby mode. The internal compensation makes feedback control having good line and load regulation without external design. Regarding protected function, thermal shutdown is to prevent over temperature operating from damage, and current limit is against over current operating of the output switch. If current limit function occurs and VFB is down below 0.5V, the switching frequency will be reduced. The CXSD62609  operates  at a switching frequency of 150KHz thus allow smaller sized filter components than what would be needed with lower frequency switching regulators. Other features include a guaranteed +4% tolerance on output voltage under specified input voltage and output load conditions, and +15% on the oscillator frequency. The output version included fixed 3.3V, 5V, 12V, and an adjustable type. The chips are available in a standard 8-lead SOP-8 package. 

   产品特点 返回TOP

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• Output Voltage: 3.3V, 5V, 12V and Adjustable Output Version 

• Adjustable Version Output Voltage Range, 1.23V to 18V+4% 

• 150KHz +15% Fixed Switching Frequency 

• Voltage Mode Non-Synchronous PWM Control 

• Thermal-Shutdown and Current-Limit Protection 

• ON/OFF Shutdown Control Input 

• Operating Voltage can be up to 48V 

• Output Load Current: 2A 

• SOP-8 Packages 

• Low Power Standby Mode 

• Built-in Switching Transistor On Chip 

• SOP-8: Available in “Green” Molding Compound  (No Br, Sb) 

• Lead Free Finish/ RoHS Compliant 

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型号	产品描述	VIN (min) (V)	VIN (max) (V)	VOUT (min) (V)	VOUT (max) (V)	IOUT (max) (A)	开关频 率 (Hz)	IQ (uA)	封装形式
CXSD62607	30V耐压3A同步降压	4	30	1	12	3	380K	1	ESOP8 SOT23
CXSD62608	18V 2A高效率同步降压	4	18			2	500K	4	SOT23
CXSD62609	48V一2A降压	4	48		3.3V, 5V, 12V,ADJ	2	150K	4	SOP-8
CXSD62610	200V高耐压非隔离压DC降压型转换器	23	200			2	500K	350	SOP-8
CXSD62611	220V交流输入非隔离DC降压型转换器	40	450			1	500K	350	SOP-8
CXSD62612	12~120V输入降压恒压DCDC	12V	120V	0.8V	30V	2	200K	700	SIP9
CXSD62613	180V输入同步整流DC降压型转换器	30	200		3.3,5.14.5	2	500K	2mA	SIP9