DDR总功率解决方案同步BUCK控制器与1.5A LDO CXSD62120 VDDQ源极和陷极LDO线性调节器
发表时间:2020-04-24
浏览次数:309

目录

1.产品概述       2.产品特点     Xcw嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Xcw嘉泰姆

5.产品封装       6.电路原理图  Xcw嘉泰姆

7.相关产品Xcw嘉泰姆

   产品概述 返回TOPXcw嘉泰姆


The CXSD62120 integrates a synchronous buck PWM controller to generate VDDQ, a sourcing and sinking LDO linear regulator to generate VTT. It provides a complete power supply for DDR2, DDR3, DDR3L and DDR4 memory system. It offers the lowest total solution cost in system where space is at a premium. The CXSD62120 provides excellent transient response and accurate DC voltage output in PFM Mode. In Pulse Frequency Mode (PFM), the CXSD62120 provides very high efficiency over light to heavy loads with loading-modulated switching frequencies. The CXSD62120 is equipped with accurate current-limit, output under-voltage, and output over-voltage protections. A Power-On- Reset function monitors the voltage on VCC prevents wrong operation during power on. The LDO is designed to provide a regulated voltage with bi-directional output current for DDR-SDRAM termination. The device integrates two power transistors to source or sink current up to 1.5A. It also incorporates current-limit and thermal shutdown protection. An internal resistor divider is used to provide a half voltage of VDDQSNS for VTTREF and VTT Voltage. The VTT output voltage is only requiring 20mF of ceramic output capacitance for stability and fast transient response. The S3 and S5 pins provide the sleep state for VTT (S3 state) and suspend state (S4/S5 state) for device, when S5 and S3 are both pulled low the device provides the soft-off for VTT and VTTREF.The CXSD62120 is available in 3mmx3mm 20-pin QFN and 3mmx3mm 16-pin TQFN packages.

   产品特点 返回TOPXcw嘉泰姆


Buck Controller (VDDQ) Xcw嘉泰姆

· High Input Voltages Range from 3V to 28V Input Power Xcw嘉泰姆

· Provide 1.8V (DDR2), 1.5V (DDR3), 1.35V (DDR3L), 1.2V(DDR4) or Adjustable Output Voltage from 0. 5V to 2V. Xcw嘉泰姆

- ±1% Accuracy Over-Temperature Xcw嘉泰姆

· Build in VREF Voltage 1.8V ±1% Accuracy over Temperature Xcw嘉泰姆

· Integrated MOSFET Drivers Xcw嘉泰姆

· Integrated Bootstrap Forward P-CH MOSFET Xcw嘉泰姆

· Excellent Line and Load Transient Responses Xcw嘉泰姆

· PFM Mode for Increased Light Load Efficiency Xcw嘉泰姆

· Selectable 500kHz / 670kHz Switching Frequencies Xcw嘉泰姆

· Integrated MOSFET Drivers and Bootstrap Diode Xcw嘉泰姆

· S3 and S5 Pins Control The Device in S0, S3, or S4/S5 State Xcw嘉泰姆

· Power Good Monitoring Xcw嘉泰姆

· 50% Under-Voltage Protection (UVP) Xcw嘉泰姆

· 125% Over-Voltage Protection (OVP) Xcw嘉泰姆

· Adjustable Current-Limit Protection Xcw嘉泰姆

- Using Sense Low-Side MOSFET RDS(ON) Xcw嘉泰姆

· QFN-20 3mmx3mm Package (QFN-20) and QFN-16 3mmx3mm Thin Package (TQFN-16) Xcw嘉泰姆

· Lead Free Available (RoHS Compliant) +1.5A LDO Section (VTT) Xcw嘉泰姆

· Souring or Sinking Current up to 1.5A Xcw嘉泰姆

· Fast Transient Response for Output Voltage Xcw嘉泰姆

· Output Ceramic Capacitors Support at Least 10mF MLCC Xcw嘉泰姆

· VTT and VTTREF Track at Half the VDDQSNS by Internal Divider Xcw嘉泰姆

· ±20mV Accuracy for VTT and VTTREF Xcw嘉泰姆

· Independent Over-Current-Limit (OCL) Xcw嘉泰姆

· Thermal Shutdown ProtectionXcw嘉泰姆

   应用范围 返回TOPXcw嘉泰姆


· DDR2,DDR3,DDR3LandDDR4MemoryPowerSup- plies Xcw嘉泰姆

· SSTL-2 SSTL-18 and HSTL TerminationXcw嘉泰姆

   技术规格书(产品PDF) 返回TOP Xcw嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持Xcw嘉泰姆

 QQ截图20160419174301.jpgXcw嘉泰姆

产品封装图 返回TOPXcw嘉泰姆


blob.pngXcw嘉泰姆
blob.png
Xcw嘉泰姆

电路原理图 返回TOPXcw嘉泰姆

 Xcw嘉泰姆


 Xcw嘉泰姆

blob.png

相关芯片选择指南 返回TOP              更多同类产品......  


 Xcw嘉泰姆

Switching Regulator >   Buck ControllerXcw嘉泰姆

Part_No Xcw嘉泰姆

Package Xcw嘉泰姆

Topology Xcw嘉泰姆

ArchiXcw嘉泰姆

tectuXcw嘉泰姆

PhaseXcw嘉泰姆

No.ofXcw嘉泰姆

PWMXcw嘉泰姆

OutputXcw嘉泰姆

Output Xcw嘉泰姆

CurrentXcw嘉泰姆

(A) Xcw嘉泰姆

InputXcw嘉泰姆

Voltage (V) Xcw嘉泰姆

ReferenceXcw嘉泰姆

VoltageXcw嘉泰姆

(V) Xcw嘉泰姆

Bias Xcw嘉泰姆

VoltageXcw嘉泰姆

(V) Xcw嘉泰姆

QuiescentXcw嘉泰姆

CurrentXcw嘉泰姆

(uA) Xcw嘉泰姆

minXcw嘉泰姆

maxXcw嘉泰姆

CXSD6273Xcw嘉泰姆

SOP-14|QSOP-16Xcw嘉泰姆

QFN4x4-16Xcw嘉泰姆

BuckXcw嘉泰姆

VM    Xcw嘉泰姆

1   Xcw嘉泰姆

1     Xcw嘉泰姆

30Xcw嘉泰姆

2.9    Xcw嘉泰姆

13.2Xcw嘉泰姆

0.9Xcw嘉泰姆

12     Xcw嘉泰姆

8000Xcw嘉泰姆

CXSD6274Xcw嘉泰姆

SOP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VM   Xcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

20Xcw嘉泰姆

2.9  Xcw嘉泰姆

13.2 Xcw嘉泰姆

0.8Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6274CXcw嘉泰姆

SOP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

20Xcw嘉泰姆

2.9Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6275Xcw嘉泰姆

QFN4x4-24Xcw嘉泰姆

MultiphaseXcw嘉泰姆

VMXcw嘉泰姆

2Xcw嘉泰姆

1Xcw嘉泰姆

60Xcw嘉泰姆

3.1Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6276Xcw嘉泰姆

SOP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

20Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

2100Xcw嘉泰姆

CXSD6276AXcw嘉泰姆

SOP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

20Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

2100Xcw嘉泰姆

CXSD6277/A/BXcw嘉泰姆

SOP8|TSSOP8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

5Xcw嘉泰姆

5Xcw嘉泰姆

13.2Xcw嘉泰姆

1.25|0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

3000Xcw嘉泰姆

CXSD6278Xcw嘉泰姆

SOP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

10Xcw嘉泰姆

3.3Xcw嘉泰姆

5.5Xcw嘉泰姆

0.8Xcw嘉泰姆

5Xcw嘉泰姆

2100Xcw嘉泰姆

CXSD6279BXcw嘉泰姆

SOP-14Xcw嘉泰姆

BuckXcw嘉泰姆

VM   Xcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

10Xcw嘉泰姆

5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

12Xcw嘉泰姆

2000Xcw嘉泰姆

CXSD6280Xcw嘉泰姆

TSSOP-24Xcw嘉泰姆

|QFN5x5-32Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

2Xcw嘉泰姆

20Xcw嘉泰姆

5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

5~12Xcw嘉泰姆

4000Xcw嘉泰姆

CXSD6281NXcw嘉泰姆

SOP14|QSOP16Xcw嘉泰姆

|QFN-16Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

2.9Xcw嘉泰姆

13.2Xcw嘉泰姆

0.9Xcw嘉泰姆

12Xcw嘉泰姆

4000Xcw嘉泰姆

CXSD6282Xcw嘉泰姆

SOP-14Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6282AXcw嘉泰姆

SOP-14Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6283Xcw嘉泰姆

SOP-14Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6284/AXcw嘉泰姆

LQFP7x7 48Xcw嘉泰姆

|TQFN7x7-48Xcw嘉泰姆

Buck|BoostXcw嘉泰姆

|FlybackXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

6Xcw嘉泰姆

0.015Xcw嘉泰姆

1.4Xcw嘉泰姆

6.5Xcw嘉泰姆

-Xcw嘉泰姆

5Xcw嘉泰姆

1800Xcw嘉泰姆

CXSD6285Xcw嘉泰姆

TSSOP-24PXcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

2Xcw嘉泰姆

20Xcw嘉泰姆

2.97Xcw嘉泰姆

5.5Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

5000Xcw嘉泰姆

CXSD6286Xcw嘉泰姆

SOP-14Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

10Xcw嘉泰姆

5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

12Xcw嘉泰姆

3000Xcw嘉泰姆

CXSD6287Xcw嘉泰姆

SOP-8-P|DIP-8Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

2.9Xcw嘉泰姆

13.2Xcw嘉泰姆

1.2Xcw嘉泰姆

12Xcw嘉泰姆

3000Xcw嘉泰姆

CXSD6288Xcw嘉泰姆

SSOP28Xcw嘉泰姆

QFN4x4-24Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

2Xcw嘉泰姆

20Xcw嘉泰姆

5Xcw嘉泰姆

24Xcw嘉泰姆

0.9Xcw嘉泰姆

5Xcw嘉泰姆

1200Xcw嘉泰姆

CXSD6289Xcw嘉泰姆

SOP-20Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

2Xcw嘉泰姆

20Xcw嘉泰姆

2.2Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

5~12Xcw嘉泰姆

4000Xcw嘉泰姆

CXSD6290Xcw嘉泰姆

SOP8|DFN3x3-10Xcw嘉泰姆

 

VMXcw嘉泰姆

1Xcw嘉泰姆

2Xcw嘉泰姆

-Xcw嘉泰姆

-Xcw嘉泰姆

-Xcw嘉泰姆

-Xcw嘉泰姆

5~12Xcw嘉泰姆

550Xcw嘉泰姆

CXSD6291HCXcw嘉泰姆

DIP8|SOP-8Xcw嘉泰姆

Buck|BoostXcw嘉泰姆

|FlybackXcw嘉泰姆

|ForwardXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

1.2Xcw嘉泰姆

9Xcw嘉泰姆

24Xcw嘉泰姆

5Xcw嘉泰姆

9 ~ 24Xcw嘉泰姆

CXSD6292Xcw嘉泰姆

SSOP16|QFN4x4-16Xcw嘉泰姆

|TQFN3x3-16Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

3Xcw嘉泰姆

25Xcw嘉泰姆

0.6Xcw嘉泰姆

5Xcw嘉泰姆

1700Xcw嘉泰姆

CXSD6293Xcw嘉泰姆

TDFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

COTXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

3Xcw嘉泰姆

25Xcw嘉泰姆

0.5Xcw嘉泰姆

5Xcw嘉泰姆

350Xcw嘉泰姆

CXSD6294Xcw嘉泰姆

QFN4x4-24Xcw嘉泰姆

BuckXcw嘉泰姆

CMXcw嘉泰姆

2Xcw嘉泰姆

1Xcw嘉泰姆

40Xcw嘉泰姆

4.5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

5~12Xcw嘉泰姆

4000Xcw嘉泰姆

CXSD6295Xcw嘉泰姆

SOP8P|TDFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

20Xcw嘉泰姆

3Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

2500Xcw嘉泰姆

CXSD6296A|B|C|DXcw嘉泰姆

SOP8PXcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

3Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6|0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

1200Xcw嘉泰姆

CXSD6297Xcw嘉泰姆

TDFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

4Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

2000Xcw嘉泰姆

CXSD6298Xcw嘉泰姆

TDFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

COTXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

4.5Xcw嘉泰姆

25Xcw嘉泰姆

0.6Xcw嘉泰姆

5~12Xcw嘉泰姆

80Xcw嘉泰姆

CXSD6299|AXcw嘉泰姆

SOP-8PXcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

4.5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

16000Xcw嘉泰姆

CXSD62100Xcw嘉泰姆

TQFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

VMXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

25Xcw嘉泰姆

4.5Xcw嘉泰姆

13.2Xcw嘉泰姆

0.6Xcw嘉泰姆

5~12Xcw嘉泰姆

2500Xcw嘉泰姆

CXSD62101|LXcw嘉泰姆

TDFN3x3-10Xcw嘉泰姆

BuckXcw嘉泰姆

COTXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

3Xcw嘉泰姆

25Xcw嘉泰姆

0.8Xcw嘉泰姆

5~12Xcw嘉泰姆

2000Xcw嘉泰姆

CXSD62102Xcw嘉泰姆

TQFN3x3-16Xcw嘉泰姆

BuckXcw嘉泰姆

COTXcw嘉泰姆

1Xcw嘉泰姆

1Xcw嘉泰姆

30Xcw嘉泰姆

1.8Xcw嘉泰姆

28Xcw嘉泰姆

0.6Xcw嘉泰姆

5Xcw嘉泰姆

600Xcw嘉泰姆