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Typical operating circuit table 1. component list – Rainbow Electronics MAX17127 User Manual

Page 11

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MAX17127

Six-String WLED Driver with Integrated

Step-Up Converter

The MAX17127 typical operating circuit is shown as
Figure 1. Table 1 lists some recommended components,

and Table 2 lists the contact information for component
suppliers.

Figure 1. Typical Operating Circuit

Typical Operating Circuit

Table 1. Component List

DESIGNATION

DESCRIPTION

C

IN

4.7FF Q10%, 25V X5R ceramic capacitor
(1206)
Murata GRM319R61E475KA12D

C1, C2

2.2FF Q20%, 50V X7R ceramic capacitors
(1206)
Murata GRM31CR71H225K

D1

2A, 40V Schottky diode (M-flat)
Toshiba CMS11

EP

SW

V

IN

PGND

0.1

µ

F

V

S

5V TO 26V

FAULT INDICATOR

V

IN

L1

10

µ

H

D1

R

1

2.21M

I

OVP

COMP

AGND

FB1

FB3

FB4

FB5

FB6

V

DDIO

1

µ

F

R

FSLCT

100k

I

R

COMP

82.5k

I

C

COMP

510pF

C

IN

4.7

µ

F

C

OUT

4.7

µ

F

ISET

EN

PWM

FSLCT

FB2

R_FPWM

FPO

3.3V

R

ISET

180k

I

10k

I

I.C.

R

2

71.5k

I

MAX17127

DESIGNATION

DESCRIPTION

L1

10FH, 1.2A power inductor
Sumida CR6D09HPNP-100MC
TDK VLP6810T-100M1R2

White LED

3.2V (typ), 3.5V (max) at 20mA
Nichia NSSW008C