Diodes ZXLD1370 EV4 Скачать руководство пользователя страница 4

 

ZXLD1370/1EV4 User Guide 

1.5A 40W Buck-Boost LED Driver                           

 

  

 

 

   

ZXLD1370/1EV4 Rev2

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October 2016                                                                                                               
www.diodes.com

 

D2 

Not fitted 

 

 

D3 

Not fitted 

 

 

Z1 

BZX84B39 

Diodes Inc 

39V 350mW Zener Diode SOT23 

10  L1 

7443641500 

Wurth 

15µH/30A SMD 
28.5x19.5x18.5mm 

11  C1 

C0805C102K3RACTU 

Kemet 

1000pF Cer Cap 25V 10% X7R 
0805 

12  C2 

C1206C104K5RAC7867 

Kemet 

1µF Cer Cap 50V 10% X7R 1206 

13 

C3, C3A, 
C4, C4A 

C1812X106K050T 

Holy Stone 

10µF Cer Cap 50V 10% X7R 1812 

14  C5 

GRM31CR72A105KA01L 

Murata 

1µF Cer Cap 100V 10% X7R 1206 

15  C6 

GRM21BR61E106KA73L 

Murata 

10µF Cer Cap 25V 10% X5R 0805 

16  C7 

C0805C104K5RACTU 

Kemet 

0.1µF Cer Cap 50V 10% X7R 0805 

17  C8 

C1206X475K050T 

Holy Stone 

4.7µF Cer Cap 35V 10% X7R 1206 

18  C9, C10 

C1812X225K050T 

Holy Stone 

2.2µF Cer Cap 50V 10% X7R 1812 

19  C11 

Not fitted 

 

 

20  R1  

RLP73K3AR15JTE  

TE Connectivity 

0.15Ω Resistor 2W 1% 2512  

21  R2 

RLP73K3AR30JTE  

TE Connectivity 

0.30Ω Resistor 2W 1% 2512  

22 

R3, R5, 
R6, R8, 
R11, R14 

CRCW08050000Z0EA  

Vishay 

0 Ω Resistor 1/8W 0805 

23  R4 

RC0805FR-071K3L 

Yageo 

1.3kΩ Resistor 1/8W 1% 0805 

24  R7 

RC0805FR-0747KL 

Yageo 

47kΩ Resistor 1/8W 1% 0805 

25  R9, R10 

RC0805FR-0736KL 

Yageo 

36kΩ Resistor 1/8W 1% 0805 

26  R12 

RC0805FR-072R2L 

Yageo 

2.2Ω Resistor 1/8W 1% 0805  

27  R13 

RC0805FR-075R11L 

Yageo 

5.1Ω Resistor 1/8W 1% 0805  

28  R15, R17 

RC0805FR-0720KL 

Yageo 

20kΩ Resistor 1/8W 1% 0805 

29 

R16, R18, 
R19 

RC0805FR-071KL 

Yageo 

1kΩ Resistor 1/8W 1% 0805  

30  R20 

RC0805FR-0782KL 

Yageo 

82kΩ Resistor 1/8W 1% 0805 

31  J1 

1776244-2 

TE Connectivity 

TERM BLOCK 2POS SIDE ENTRY 
5MM 

32  PL1 

800-10-003-10-001000 

Mill-Max 

SIP HEADER 3 POS 

33 

Vin, GND, 
PWM, 
TP1, 
LEDA, 
LEDK 

5121K-ND 

Keystone 

Test point 

 

 

Содержание ZXLD1370 EV4

Страница 1: ...ut voltage range 10V to 30V Up to 1 5A output current Single pin on off and brightness control using DC voltage or PWM Up to 1MHz switching frequency 5 output current accuracy Inherent open circuit LE...

Страница 2: ...11 October 2016 www diodes com Figure 2 Block Diagram Evaluation Board Schematic Figure 3 Evaluation Board Schematic R sense circuit Buck Boost inductor ZXLD1370 or 1371 BCM driver MOSFET Driver Low...

Страница 3: ...o two test points of DC input on the left side of the board 4 Connect the anode wire of external LED string to LED output test point 5 Connect the cathode wire of external LED string to LED output tes...

Страница 4: ...0 2 C1812X225K050T Holy Stone 2 2 F Cer Cap 50V 10 X7R 1812 19 C11 0 Not fitted 20 R1 1 RLP73K3AR15JTE TE Connectivity 0 15 Resistor 2W 1 2512 21 R2 2 RLP73K3AR30JTE TE Connectivity 0 30 Resistor 2W 1...

Страница 5: ...difference between the thresholds The average current in the LED is always less than the average current in the inductor and the ratio between these currents is set by the values of resistors R9 and...

Страница 6: ...IN A PIN W VLED V ILED A PLED W Fs Switching Freq Hz Efficiency Diodes Inc ZXLD1370 1EV4 Module Board 10 5 04 50 4 27 43 1 42 39 01 412K 77 5 12 4 40 52 7 28 00 1 55 43 40 404K 82 4 15 3 34 50 1 27 26...

Страница 7: ...75 80 85 90 95 5 10 15 20 25 30 35 Efficiency Vin VDC Efficiency vs Vin ZXLD1370 1EV4 Figure 1 Efficiency vs Vin 0 1 2 3 5 10 15 20 25 30 35 LED Current A Vin VDC LED Current A vs Vin ZXLD1370 1EV4 F...

Страница 8: ...1 October 2016 www diodes com Waveform 1 Voltage across Drain and Source Vin 15VDC ILED 1 5A Waveform 2 Voltage across Drain and Source Vin 20VDC ILED 1 5A ZXLD1370 1EV4 Board Condition IN 15VDC OUT 9...

Страница 9: ...1 October 2016 www diodes com Waveform 3 Voltage across Drain and Source Vin 24VDC ILED 1 5A Waveform 4 Voltage across Drain and Source Vin 30VDC ILED 1 5A ZXLD1370 1EV4 Board Condition IN 24VDC OUT 9...

Страница 10: ...r Guide 1 5A 40W Buck Boost LED Driver ZXLD1370 1EV4 Rev2 Page 10 of 11 October 2016 www diodes com Waveform 5 Output Voltage Ripple Vin 20VDC ILED 1 5A ZXLD1370 1EV4 Board Condition IN 20VDC OUT 9 LE...

Страница 11: ...ited States international or foreign patents pending Product names and markings noted herein may also be covered by one or more United States international or foreign trademarks This document is writt...

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