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10

[3] w ?
?LEDP??×
?¨
??+X/j?
.

1.XL6003¨
??+X+eD ú
./j

+

CIN

100uF/50V

DZ1SS36L156UH/2A

+

COUT

100uF/50V

XL6003

2

5,6

3

7,8

VIN

SW

FB

GNDEN

1

VIN

Rcs

0.66R

Series1WLED

PWMDimming

D1

1WLED

D2

1WLED

Dn

1WLED

ILOAD=0.22/Rcs

D1

0c ??±1?

R1

1K


7
XE??+e ?12VèE?t4N?&?`12N?1WLED&?è ?DE?+e#q
X350MA&è?$Y19
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Z3+5,′x)·×


8
XE??+e ?24VèE?t8N?&?`12N?1WLED&?è ?DE?+e#q
X350MA&è?$Y19
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Z3+5,′x)·
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$Y?#{B&é
X8?(w>?M?è¤Z3+50Q
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?08\ATˉ+X
X10Wμ

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11

2.XL6004¨
??+X+eD ú
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CIN

100uF/50V

DZ1SS36L156UH/2A

+

COUT

100uF/50V

XL6004

4

3

5

1

VIN

SW

FB

GNDENVIN

Rcs

0.66R

Series1WLED

PWMDimming

D1

1WLED

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1WLED

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1WLED

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D1

0c ??±1?

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1K

2


7
XE??+e ?12VèE?t4N?&?`12N?1WLED&?è ?DE?+e#q
X350MA&è?$Y19
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Z3+5,′x)·×


8
XE??+e ?24VèE?t8N?&?`12N?1WLED&?è ?DE?+e#q
X350MA&è?$Y19
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Z3+5,′x)·
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$Y?#{B&é
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?08\ATˉ+X
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12

3.;/¨
??+X+eD ú
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CIN

470uF/50V

DZ1SS36L156UH/2A

+

COUT

220uF/50V

XL6005

4

3

5

1

VIN

SW

FB

GNDENVIN

Rcs

0.66R

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PWMDimming

D1

1WLED

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1WLED

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D1

0c ??±1?

R1

1K

2


7
XE??+e ?9èE?tN?&?`N?:/(''&?è ?DE?+e#q
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XE??+e ?9èE?tN?&?`N?:/(''&?è ?DE?+e#q
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13

?XL6009+358LEDP??+e$àéx

AR1

LM358

R5

180R

R6

2.2K

C3

105

CIN

100uF/50V

L1

100uH/5A

COUT

220uF/50V

D1

B54

4

2

3

1

5VIN

SW

FB

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XL6009

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Rcs

D1

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D2

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3K

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[1]?+X1°?±B$>

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X!?h???èLED+e#q+aVFB=1.25V

,′PWM×f?μG ò63+e ?4?E÷0Z358Fn13.2=èVFB=VCS?1+R6/R5?èF9R6,R5F2?,′lè

ˉ?VCS=0.095V
? ￡I=0.095V/RCS,
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9300Kèp
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X100HZ-500HZ

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7J+e}jQ+e￡?1.4V:?è8?(w￡YE??

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14

[3] w ?
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1ê;/¨
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AR1

LM358

R5

180R

R6

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105

CIN

100uF/50V

L1

100uH/5A

COUT

220uF/50V

D1

B54

4

2

3

1

5VIN

SW

FB

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XL6009

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D1

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D2

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7
XE??+e ?9èE?tN?&?`N?:/(''&?è ?DE?+e#q
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?08\ATˉ+X
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15

2ê;/¨
??+X+eD ú
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AR1

LM358

R5

180R

R6

2.2K

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105

CIN

100uF/50V

L1

100uH/5A

COUT

220uF/50V

D1

SR560

4

2

3

1

5VIN

SW

FB

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XL6010

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D2

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104

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105

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7
XE??+e ?9èE?tN?&?`N?:/(''&?è ?DE?+e#q
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16

3ê;/¨
??+X+eD ú
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AR1

LM358

R5

180R

R6

2.2K

CIN

220uF/50V

L1

100uH/5A

COUT

1000uF/50V

D1

MBR1545

4

2

3

1

5VIN

SW

FB

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XL6011

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17

1\91L} ?
?8?(wLEDP??+e$à3+5 wL} ?A?A?éx

0XL4001LEDP??+e$à wL} ?A?A?éx

CIN

100uF/50V

L2

22uH/2A

COUT

220uF/50V

D1

SS34

7,8

54

1,2VIN

FB

SW

GND

VIn

OVP=1.235(1+R2/R1)

XL4001

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CS

EN

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33nF

R2

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XL4001_0Z150kHz,′
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PWM×f?μG ò63+e ?L?RCS+eLklp?ê
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9150Kèp
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X100HZ-300HZ

ˉ7-1EN7J×f8?(wE?èEN+e}j~+e￡?0.8V;?F65ü0a,′&Iè8?(w9E??EN7J

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18

[3]L} ?
?LEDP?? wL} ?A?A?¨
??+X/j?
.

1.XL4001 wL} ?¨
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CIN

100uF/50V

L2

22uH/2A

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220uF/50V

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54

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VIn

OVP=1.235(1+R2/R1)

XL4001

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33nF

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CIN

100uF/50V

L2

22uH/2A

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220uF/50V

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XL6002

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19



3.;/¨
??+X+eD ú??

CIN

100uF/50V

L2

22uH/2A

COUT

220uF/50V

D2

SS34

1

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SW

GND

VIn

OVP=1.235(1+R2/R1)

XL4101

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20

?XL4003+358 wL} ?LEDP??+e$àéx

AR1

LM358

R5

R6

CIN

470uF/50V

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22uH/5A

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470uF/50V

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SK540

5

4

12

3VIN

GND

SW

4003

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105

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21

[3]L} ?
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LM358

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470uF/50V

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22uH/5A

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470uF/50V

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470uF/35V

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22

1\
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24

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