MP1529 データシートの表示（PDF） - Monolithic Power Systems

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MP1529

Fixed Frequency Step-Up Converter LCD Backlight Plus Flash

Monolithic Power Systems 

TM

MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

Circuit of Figure 2, VIN = 3.6V, 3 LEDs on LED1, 3 LEDs on LED2, 3 LEDs on LED3,

ILED_BL = 20mA, ILED_PV = 40mA, ILED_FL = 100mA, unless otherwise noted.

Steady State Operation

Backlight Mode

Steady State Operation

Steady State Operation

Backlight plus Preview Mode Flash Mode

VSW

5V/div.

VOUT

AC Coupled

20mV/div.

IL

0.2A/div.

VSW

5V/div.

VOUT

AC Coupled

20mV/div.

IL

0.2A/div.

400ns/div.

MP1529-TPC09

VSW

10V/div.

VOUT

AC Coupled

20mV/div.

IL

0.5A/div.

400ns/div.

MP1529-TPC10

400ns/div.

MP1529-TPC11

Start-up into Open LEDs

VOUT

10V/div.

VSW

10V/div.

IL

0.5A/div.

1ms/div.

MP1529-TPC12

MP1529 Rev. 1.0

www.MonolithicPower.com

5

11/23/2005

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2005 MPS. All Rights Reserved.

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