Max. 3MHz, Variable Frequency Step-up DC/DC Converter

The BL8548 variable frequency step-up Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input ca

Belling

上海贝岭

Max. 3MHz, Variable Frequency Step-up DC-DC Converter

文件：415.34 Kbytes 页数：6 Pages

BELLING

上海贝岭

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

文件：305.2 Kbytes 页数：18 Pages

MAXIM

美信

Low-Cost, Wide Input Range, Step-Down Controllers with Foldback Current Limit

文件：343.89 Kbytes 页数：18 Pages

MAXIM

美信

65 x 102 pixels matrix LCD driver

GENERAL DESCRIPTION The PCF8548 is a low power CMOS LCD controller driver, designed to drive a graphic display of 65 rows and 102 columns. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD supply and bias voltages, resulting in a minimum of

文件：206.21 Kbytes 页数：40 Pages

PHI

PHI