On Semiconductor CAT4201 Evaluation Board CAT4201AGEVB CAT4201AGEVB Data Sheet

U1

1

High Efficiency Step-down LED Driver, SOT−23−5

ON Semiconductor

CAT4201

Q1

1

PNP Bipolar Transistor −45 V/−500 mA, SOT−23

ON Semiconductor

BC807-25LT1G

Q2

1

NPN Bipolar Transistor 45 V/100 mA, SOT−23

ON Semiconductor

BC847CLT1G

D

1

Schottky Diode 40 V/500 mA, Size SOD−323

Central Semi

CMDSH05-4

C1

1

Ceramic Capacitor 4.7 mF/50 V, X7R, Size 1210

Murata

GRM32ER71H475KA88L

C2

1

Ceramic Capacitor 10 mF/35 V, X5R, Size 1210

Taiyo Yuden

GMK325BJ106KN-T

L

1

Inductor 33 mH, low DCR, 0.97 A

Sumida

CDRH6D28-330

R1

1

SMT Resistor 1/10 W, 8.2 kW, 0603

Yageo

9C06031A8201FKHFT

R2

1

Trim Pot. 47 kW

Vishay

T63YB473K

R3, R5

2

SMT Resistor 1/10 W, 1 kW, 0603

Yageo

9T06031A1001FBHFT

R4

1

SMT Resistor 1 W/500 mW Size 1210

Panasonic

ERJ-P14J1R0U

R6

1

SMT Resistor 1/10 W, 47 kW, 0603

Yageo

9T06031A4702FBHFT

R7, R8

2

SMT Resistor 1/10 W, 10 kW, 0603

Yageo

9T06031A1002FBHFT

J1

1

3 Pin Header Connector 0.1 Pitch

Tyco

640452-3

J2

1

2 Pin Header Connector 0.1 Pitch

Tyco

640452-2

K3

1

6 Pin Header Receptacle 0.1 Pitch

Tyco

535676-5

1

SPST Pushbutton Switch (Not Shown in Schematic)

HDK

KSM0631A

1

9 V Battery Holder (Optional)

Keystone

1294

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