MAX17079
MAX17079 is 4-Level Or 2-Level Logic To High-Voltage Level Shifter manufactured by Maxim Integrated.
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 plementary to each other. The five output levels are set by five supply rails that are mon to all 14 outputs.
The five supply rails include a typical TFT V rail. Two upper rails are always greater than V, with VH1 always greater than VH2. The two lower rails are always less than V, 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 V, 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
19 OB7 18 V
VH1 34
17 VL1
VH2 35 VLS 36
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
- plementary Outputs in Each Channel
- VLS Input Range from 10V to 18V
- VCC Input Range from 2.3V to 3.6V
- 2-Level or 4-Level Operation
- Sequential or binational Logic
- 3Ω Output Switches
- 5-Level...
