蓄电池输入电压为2.7伏至28伏CXSD62173E 100kHz至1000kHz的可编程脉宽调制频率自动功率因数调制/脉宽调制模式

蓄电池输入电压为2.7伏至28伏CXSD62173E 100kHz至1000kHz的可编程脉宽调制频率自动功率因数调制/脉宽调制模式

产品型号:CXSD62173E
产品类型:DC-DC转换器
产品系列: Buck降压型芯片
产品状态:量产
浏览次数:41 次
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产品简介

CXSD62173E具有外部可调软启动和内置的软停止综合输出放电方法。软启动通过可编程定时来增加输出电压,以降低启动电流。软停止功能主动放电输出电容器。

技术参数

输入电压范围 (VIN)≤ 2.7~28V
输出电压 (VOUT)ADJV
输出电流 (IOUT)8A
工作频率100~1000Hz
转换效率95%%
封装类型TQFN 4x4 23
TopologyCOT BUCK降压型芯片
Control method No. of PWM Outputs:1
Switching frequency100~1000
ProtectionR-Top(milohm):100~1000
Features静态工作电流Iq (No load) (uA) :25
ApplicationR-Sync (milohm): 12
Operating temp-40℃~125℃
Reference design反馈电压Vref (V):0.8

产品详细介绍

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


The CXSD62173D CXSD62173E is a 6A, synchronous, step-down converter with integrated 30mW N-channel High-Side MOSFET and 12mW Low-Side MOSFET. The CXSD62173D CXSD62173E steps down high voltage to generate low-voltage chipset or RAM supplies in notebook computers. The CXSD62173D CXSD62173E provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Mode (PFM), the CXSD62173D CXSD62173Eprovides very high efficiency over light to heavy loads with loadingmodulated switching frequencies. In PWM Mode, the converter works nearly at constant frequency for low-noise requirements. The CXSD62173D CXSD62173Eis equipped with accurate current-limit, output under-voltage, and output over-voltage protections, perfect for various applications. A Power-On-Reset function monitors the voltage on VLDO to prevent wrong operation during power-on. The ACXSD62173D CXSD62173E has external adjustable soft-start and built-in an integrated output discharge method for soft stop. A soft-start ramps up the output voltage with programmable timing to reduce the start-up current. A soft-stop function actively discharges the output capacitors. The CXSD62173D CXSD62173E is available in TQFN4x4-23 (Power PAK).

   产品特点 返回TOP


· Adjustable Output Voltage from +0.8V to +12V - 0.8V Reference Voltage - +1% Accuracy over Temperature 

· Operates from An Input Battery Voltage Range of +2.7V to +28V 

· 20mA Low Dropout Regulator (LDO) with Fixed 5. 3V Output 

· Power-On-Reset Monitoring on LDO pin 

· Excellent line and load transient responses 

· PFM mode for increased light load efficiency 

· Programmable PWM Frequency from 100kHz to 1000kHz 

· Integrated 30mW at LDO=5V N-Channel MOSFET For High Side 

· Integrated 12mW at LDO=5V N-Channel MOSFET For Low Side 

· Integrated Bootstrap Forward P-CH MOSFET 

· External Adjustable Soft-Start and Soft-Stop 

· Selectable Forced PWM or automatic PFM/PWM mode 

· Power Good Monitoring 

· 70% Under-Voltage Protection 

· 125% Over-Voltage Protection 

· Current-Limit Protection 

- Using Sense Low-Side MOSFET’s RDS(ON) 

· Over-Temperature Protection 

· TQFN-23 4mmx4mm package 

· Lead Free and Green Device Available (RoHS Compliant)

   应用范围 返回TOP


· Notebook 

· Mother Board 

· Table PC 

· Hand-Held Portable 

· AIO PC 

· Set-top boxes 

· LCD TV

   技术规格书(产品PDF) 返回TOP 


     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

 QQ截图20160419174301.jpg

产品封装图 返回TOP


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电路原理图 返回TOP


 

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Switching Regulator > Buck Converter

 Part_No 

 Package

Architectu

No.of

PWM 

Outpu

Drive

Lout

(A) 

Vin(V) 

Fmax

Khz 

Vref 

(V) 

R-Top (milohm) 

R-Sync (milohm) 

Iq (No load) (uA) 

min

max

CXSD62122

TQFN5x6-28

CM

1

5

4.5

26

380

0.8

50

20

1000

CXSD62123

SOP-8

CM

1

2

4.5

26

380

0.8

100

 

1000

CXSD62124

SOP-8P

CM

1

4

4.5

26

380

0.8

80

 

1000

CXSD62125

SOT23-5|TSOT23-5

CM

1

1

2.7

6

1500

0.6

280

250

25

CXSD62125A

SOT23-5

CM

1

1

2.7

6

1500

0.6

280

250

 

CXSD62126

SOP-8

CM

1

3

4.3

14

500

0.8

70

70

500

CXSD62127

SOP-8P

CM

1

3

4.3

14

500

0.8

55

45

500

CXSD62128B

TDFN3x3-10

   

3

2.6

5.5

2000

0.8

110

110

460

CXSD62129

TDFN3x3-10

CM

2

1

2.7

6

1500

0.6

280

250

500

CXSD62129A

TDFN3x3-10

CM

2

1

2.7

6

1500

0.6

280

250

 

CXSD62130

TDFN2x2-6

CM

1

1

2.7

6

1500

0.6

280

250

25

CXSD62130A

TDFN2x2-6

CM

1

1

2.7

6

1500

0.6

280

250

 

CXSD62131

TDFN3x3-12

CM

2

1

2.7

6

1500

0.6

280

250

25

CXSD62131A

TDFN3x3-12

CM

2

1

2.7

6

1500

0.6

280

250

 

CXSD62131C

TDFN 3x3 12

CM

2

1

3

5.5

1500

0.6

280

250

30

CXSD62132

TQFN3x3-20

CM

3

2

2.9

5.5

1500

0.6

-

-

300

CXSD62133

TDFN2x2-8

CM

1

1

3.3

8

1500

0.6

280

250

25

CXSD62134

SOP-8

CM

1

2

4.5

24

340

0.925

110

110

1900

CXSD62135

SOP-8P

CM

1

3

4.5

24

340

0.925

110

110

1900

CXSD62136

SOP-8

CM

1

2

4.5

24

340

0.92

130

130

1900

CXSD62136B

SOP-8P

CM

1

2

4.5

24

340

0.92

130

130

1900

CXSD62137

SOP-8P

CM

1

3

4.5

24

340

0.92

85

85

1900

CXSD62138

SOP-8P

CM

1

4

4.5

24

340

0.8

85

85

1900

CXSD62139

TSOT-23-8A

CM

1

3

4.5

24

500

0.807

100

40

1000

CXSD62140

TSOT-23-8A

CM

1

3

4.5

24

500

0.807

100

40

1000

CXSD62141

TSOT-23-8A

CM

1

2

4.5

24

500

0.807

115

50

1000

CXSD62142

SOP-8P

CM

1

3

4.5

24

1300

0.925

110

110

1900

CXSD62143

SOP-8

CM

1

2

4.5

24

340

0.925

110

110

1900

CXSD62144

SOP-8P

CM

1

3

4.5

24

340

0.925

110

110

1900

CXSD62145

TSOT-23-8A

CM

1

2

4.5

24

500

0.807

115

50

500

CXSD62146

TSOT-23-8A

CM

1

3

4.5

24

500

0.807

100

40

500

CXSD62147

TSOT-23-6

COT

1

2

4.6

16

500

0.6

110

100

50

CXSD62148

TSOT-23-6

COT

1

2

4.6

16

500

0.8

95

40

50

CXSD62149

TSOT-23-6

COT

1

3

4.6

16

500

0.8

90

35

50

CXSD62150

TSOT-23-8A

CM

1

2.5

4.5

24

500

0.807

140

60

1000

CXSD62151

TSOT-23-6,TDFN2x2-6

COT

1

3

4.6

16

500

0.6

110

80

50

CXSD62152

SOP8P|TDFN3x3-10

CM

1

2

2.5

6

1000

0.8

85

75

460

CXSD62153

SOP8P|TDFN3x3-10

CM

1

3.2

2.5

6

1000

0.8

85

75

460

CXSD62154

SOP8P|TDFN3x3-10

CM

1

4

2.5

6

500

0.8

85

75

460

CXSD62155

SOP-8P

CM

1

5

2.5

6

1000

0.6

65

55

460

CXSD62156

TDFN 2x2 12

CM

1

3.5

2.7

5.5

1320

0.6

70

60

40

CXSD62157

SOP-8

CM

1

2

4.5

24

340

0.8

110

110

1900

CXSD62158

SOP-8P

CM

1

3

4.5

24

340

0.8

110

110

1900

CXSD62159

TDFN3x3-10

CM

1

2

4.5

24

340

0.8

110

110

1900

CXSD62160

TDFN3x3-10

CM

1

3

4.5

24

340

0.8

110

110

1900

CXSD62161

TSOT-23-8A

CM

1

2

4.5

24

500

0.791

115

50

1000

CXSD62162

TSOT-23-8A

CM

1

3

4.5

24

500

0.791

100

40

1000

CXSD62162S

TSOT-23-8A

CM

1

3

7

24

500

0.791

100

40

1000

CXSD62163

TDFN 2x2-6

CM

1

1

3

5.5

1500

0.6

260

230

30

CXSD62164

SOT23-5,TSOT23-5A

CM

1

1.2

3

5.5

1500

0.6

260

230

30

CXSD62164A

SOT23-5,TSOT23-5A

CM

1

1

3

5.5

1500

0.6

260

230

30

CXSD62164C

SOT23-5,TSOT23-5A

CM

1

1

3

5.5

1500

0.6

260

230

30

CXSD62165

SOT23-5,TSOT23-5A

CM

1

1.2

3

5.5

1500

0.6

260

230

30

CXSD62165C

SOT23-5,TSOT23-5A

CM

1

1

3

5.5

1500

0.6

260

230

30

CXSD62166

TSOT-23-8A

CM

1

2

4.5

24

800

0.807

115

50

1000

CXSD62167

TSOT-23-8A

CM

1

3

4.5

24

800

0.807

100

40

1000

CXSD62168

TSOT-23-8A

CM

1

2

4.5

24

500

0.807

115

50

1000

CXSD62169

TDFN5x5-16

CM

1

4

4.5

26

380

0.8

22

-

1000

CXSD62170

TDFN 2x2-8

CM

1

0.8

4.5

5.5

1700   ~ 2300

0.6

   

300

CXSD62171

TQFN 4x4 22

COT

1

8

2.7

28

100~1000

0.8

30

9

700

CXSD62172

TQFN4x4-23

COT

1

6

2.7

28

100~1000

0.8

30

9

750

CXSD62172A

TQFN 4x4 23

COT

1

8

2.7

28

100~1000

0.8

30

9

700

CXSD62172B

TQFN 4x4 23

COT

1

8

2.7

28

100~1000

0.8

30

9

700

CXSD62172C

TQFN 4x4 23

COT

1

10

2.7

28

100~1000

0.8

27

7

700

CXSD62172CA

TQFN 4x4 23

COT

1

10

2.7

28

100~1000

0.8

27

7

700

CXSD62172D

TQFN 4x4 23

COT

1

10

2.7

28

100~1000

0.8

27

7

700

CXSD62172DA

TQFN 4x4 23

COT

1

10

2.7

28

100~1000

0.8

27

7

700

CXSD62172E

TQFN 4x4 23

COT

1

8

2.7

28

100~1000

0.8

30

9

25

CXSD62173

TQFN 4x4 23

COT

1

6

2.7

28

100~1000

0.8

30

12

700

CXSD62173A

TQFN 4x4 23

COT

1

6

2.7

28

100~1000

0.8

30

12

700

CXSD62173C

TQFN 4x4 23

COT

1

6

2.7

28

100~1000

0.8

30

12

700

CXSD62173D

TQFN 4x4 23

COT

1

6

2.7

28

100~1000

0.8

30

12

700

CXSD62173E

TQFN 4x4 23

COT

1

8

2.7

28

100~1000

0.8

30

12

25

CXSD62174

TQFN5x5 30

COT

1

12

2.7

28

300~1000

0.8

9.7

5.2

700

CXSD62174A

TQFN5x5 30

COT

1

12

2.7

28

300~1000

0.8

14.6

7.8

750

CXSD62175

TQFN5x6-28

COT

1

8

3

25

500

0.75

12

12

400

CXSD62176

TDFN3x3-10

CM

1

3

2.6

6

1000

0.6

65

55

460

CXSD62176E

TDFN3x3-10

CM

1

3

2.6

5.5

1000

0.6

65

55

65

CXSD62177

TDFN3x3-10

CM

1

3

2.6

6

1000

0.6

75

55

460

CXSD62177A

TDFN3x3 10

CM

1

3

2.6

6

1000

0.8

75

55

460

CXSD62177B

TDFN3x3 10

CM

1

3

2.6

6

1000

0.8

75

55

460

CXSD62178

TQFN3x3-16

COT

1

8

6

28

500

0.6

24

14

80

CXSD62179

TSOT23-6

CM

1

1

2.7

5.5

1500

0.6

280

250

25

CXSD62180

SOT23-6, TDFN2x2 8

CM

1

3

2.6

6

1000

0.6

110

80

50

CXSD62181

TDFN3x3-10

CM

1

3

4.5

24

600

0.8

70

70

400

CXSD62182

TQNF4x4 32

COT

1

8

4.5

26

400~550

0.75

75

75

230

CXSD62183

TQN 4x4 26

COT

2

8

4.5

25

400~1400

(VDDQ)

1000(VPP)

0.6V for VPPSMBUS for VDDQ=1.0V~1.2V

20(VDDQ)

200(VPP)

7(VDDQ)

200(VPP)

270

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