LT1947 Adjustable Output TFT-LCD Triple Switching Regulator

Linear Technology

Description

LT1947 Adjustable Output TFT-LCD Triple Switching Regulator .

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Datasheet Specifications

Part number: LT1947
Manufacturer: Linear Technology
File Size: 177.45 KB
Datasheet: LT1947_LinearTechnology.pdf
Description: Adjustable Output TFT-LCD Triple Switching Regulator

Features

* s s s s s s s s s s s DESCRIPTIO Complete Solution Under 1.2mm Develops Three Outputs from a 3.3V or 5V Supply Externally Programmable VON Delay Fixed Frequency Low Noise Outputs All Ceramic Capacitors 3MHz Switching Frequency Fast Transient Response Few External Components Required 2.7V to 8V Inp

Applications

* requiring soft-start, a circuit consisting of RSS and CSS tied to the SHDN pin can be used, as shown in Figure 3. For a combination of 33.2k/33nF, AVDD rises to its final value in approximately 3ms. R3 GND R1 1 C5 LT1947 2 3 L1 4 5 C1 VIN C6 C3 VIN L2 D2 9 8 7 6 SHDN R4 R2 10 VON D1 D3 C4 D4 GND

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LT1947 Adjustable Output TFT-LCD Triple Switching Regulator Linear Technology

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