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MAX17079

Maxim Integrated Products
Part Number MAX17079
Manufacturer Maxim Integrated Products
Description 4-Level Or 2-Level Logic To High-Voltage Level Shifter
Published Aug 31, 2009
Detailed Description 19-2812; Rev 1; 3/10 EVAALVUAAILTAIOBNLEKIT 4-Level or 2-Level Logic to High-Voltage Level Shifter for TFT LCD TV Displa...
Datasheet PDF File MAX17079 PDF File

MAX17079
MAX17079

Overview
19-2812; Rev 1; 3/10 EVAALVUAAILTAIOBNLEKIT 4-Level or 2-Level Logic to High-Voltage Level Shifter for TFT LCD TV Display MAX17079 General Description The MAX17079 is a 7-channel logic-level input to highvoltage output level shifter.
Each channel has two inputs plus a shared enable input.
Each channel has two outputs, which can be set to five output levels.
Two outputs are complementary to each other.
The five output levels are set by five supply rails that are common to all 14 outputs.
The five supply rails include a typical TFT VCOM rail.
Two upper rails are always greater than VCOM, with VH1 always greater than VH2.
The two lower rails are always less than VCOM, with VL1 always less than VL2.
Other supply rails are VLS (the typical TFT AVDD supply) and VCC (the logic supply).
The MAX17079 can also be configured as a two-level voltage shifter.
When EN is low, all 14 outputs connect to VCOM, and when EN is high, the outputs are determined by their inputs.
The logic inputs are driven by the timing controller.
The output switches are typically 3Ω with low propagation delays and fast rise times.
The MAX17079 has a minimum dead time to prevent shoot-through currents between supplies.
The MAX17079 has thermal shutdown to protect against overheating, VCC undervoltage lockout (UVLO), and VLS UVLO.
The MAX17079 is in a 40-pin, 6mm x 6mm, thin QFN package, with exposed pad and a maximum height of 0.
8mm.
Applications TFT LCD TV Panels Pin Configuration TOP VIEW 30 29 28 27 26 25 24 23 22 21 OB1 31 20 OA7 OA1 32 ST 33 EP 19 OB7 18 VCOM VH1 34 17 VL1 VH2 35 VLS 36 MAX17079 16 VL2 15 DGND AGND 37 14 B7 VCC 38 13 A7 EN 39 12 B6 CH 40 11 A6 1 2 3 4 5 6 7 8 9 10 A1 OA2 B1 OB2 A2 OA3 B2 OB3 A3 OA4 B3 OB4 A4 OA5 B4 OB5 A5 OA6 B5 OB6 EP = EXPOSED PAD THIN QFN (6mm x 6mm) Features ♦ 7-Channel Logic-Level Input to High-Voltage Output Level Shifter ♦ Complementary Outputs in Each Channel ♦ VLS Input Range from 10V to 18V ♦ VCC Input Range from 2.
3V to 3.
6V ♦ 2...


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