Controller

MAX746 Datasheet – N-channel DC-DC Controller

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Part Number: MAX746

Function: High-efficiency, PWM, step-down, N-channel DC-DC controller / Low 950µA Supply Current

Package: DIP, SOP 16 Pin

Manufacturer: Maxim Integrated

Pinouts:

MAX746 datasheet

 

Description

The MAX746 is a high-efficiency, high-current, step-down DC-DC power-supply controller that drives external N-channel FETs. It provides 93% to 96% efficiency from a 6V supply voltage with load currents ranging from 50mA up to 3A.

It uses a pulse-width-modulating (PWM) current-mode control scheme to provide precise output regulation and low output noise. The MAX746’s 4V to 15V input voltage range, fixed 5V/adjustable (Dual-ModeTM ) output, and adjustable current limit make this device ideal for a wide range of applications.

High efficiency is maintained with light loads due to a proprietary automatic pulse-skipping control (Idle-ModeTM) scheme that minimizes switching losses by reducing the switching fre
quency at light loads. The low 950µA quiescent current and ultra-low 1.4µA shutdown current further extend battery life.

Features

1. 4V to 15V Input Voltage Range
2. Low 950μA Supply Current
3. 1.4μA Shutdown Current
4. Drives External N-Channel FETs
5. Fixed-Frequency Current-Mode PWM (Heavy Loads)
6. Idle-Mode PFM (Light Loads)
7. Cycle-by-Cycle Current Limiting

Applications:

1. Notebook/Laptop Computers
2. Personal Digital Assistants
3. Battery-Operated Equipment
4. Cellular Phones

Other data sheets are available within the file:

MAX746C/D, MAX746CPE, MAX746CSE, MAX746EPE

 

MAX746 Datasheet PDF Download


MAX746 pdf

ILI9806H PDF Datasheet – LCD Single-Chip Controller

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Part Number: ILI9806H

Function: TFT LCD Single-Chip Controller Driver

Display resolution : 480(RGB) x 864 Resolution 16.7M-color

Manufacturer: ILITEK

Block Diagram :

ILI9806H pdf datasheet

Description

The ILI9806H is a type of Liquid Crystal Display (LCD) controller integrated circuit (IC) made by ILI Technology. It is used to control and manage the display functions of an LCD screen and interfaces with the main system to receive image data and display it on the screen.

The ILI9806-H is a 16.7M single-chip SOC driver for a-Si TFT liquid crystal display panels with a resolution of up to 480 (RGB) x 864 with memory. The ILI9806H is comprised of a 1440-channel source driver, a gate-IC-less level shifter, 622,080-byte GRAM for graphic data of 480 (RGB) x 864 dots, and a power supply circuit.

Display module :

1. On-chip Frame Memory size 622,080 byte , 480 (RGB) (H) x 864 (V) x 24 bits

2. Supports 1440 source channel outputs

3. Supports gate control signals to gate driver in the panel

4. Supports column/1-dot/2-dot/3-dot inversion

5. Gamma correction (1 preset Gamma curve)

6. On module VCOM control (0V to -4V common electrode output voltage range)

[…]

 

ILI9806H Datasheet PDF