EV0062 (MP1541) 1.3MHz LOW POWER TORCH/FLASH LED DRIVER

EVALUATION BOARD - INITIAL RELEASE

06/04, Rev. 1.0

www.MonolithicPower.com

2

EVALUATION BOARD SCHEMATIC

EV0062 BILL OF MATERIALS

Qty

Ref

Description

Package

Manufacturer P/N

Distributor P/N

(1)

1

C1

Ceramic Capacitor, 10uF,

10V, X5R

1210

Panasonic: ECJ-4YB1A106K

PCC2170CT-ND

1

C2

Ceramic Capacitor, 1uF,

16V, X5R

1206

Panasonic: ECJ-3YB1C105K

PCC1882CT-ND

1

D1

Schottky Diode, 0.5A, 20V

SOD-123

Fairchild: MBR0520L

MBR0520LCT-ND

1

L1

Inductor, 10uH, 1.7A

Sumida: CDRH6D28-100NC

1

Q1

N-Channel Mosfet, 60V, 3A

SOT23-6

Zetex: ZXMN6A08E6TA

ZXMN6A08E6CT-ND

1

U1

1.3MHz Boost Converter

SOT23-5

MPS: MP1541

1

R1

Resistor, 100kΩ, 5%

0603

Panasonic: ERJ-6ENF1003V

P100KCCT-ND

1

R2

Resistor, 470kΩ, 5%

0603

Panasonic: ERJ-6GEYJ474V

P470KACT-ND

1

R3

Resistor, 61.9Ω, 1%

0603

Panasonic: ERJ-6ENF61R9V

P61.9CCT-ND

1

R4

Resistor, 15.4Ω, 1%

0603

Panasonic: ERJ-6ENF15R4V

P15.4CCT-ND

1

1

1

1

Note

1) Distributor: Digikey

2) Not included with board.

D1

MBR0520L

MP1541

SW

IN

51

3

4

2

FB

GND

EN

Q1

5V

EN

GND

GND

LED1

LED2

LED3

LED4

FLASH

EV0062_MP1541_SCH01