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What is MAX17079?

This electronic component, produced by the manufacturer "Maxim Integrated Products", performs the same function as "4-Level Or 2-Level Logic To High-Voltage Level Shifter".


MAX17079 Datasheet PDF - Maxim Integrated Products

Part Number MAX17079
Description 4-Level Or 2-Level Logic To High-Voltage Level Shifter
Manufacturers Maxim Integrated Products 
Logo Maxim Integrated Products Logo 


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19-2812; Rev 1; 3/10
EVAALVUAAILTAIOBNLEKIT
4-Level or 2-Level Logic to High-Voltage
Level Shifter for TFT LCD TV Display
General Description
The MAX17079 is a 7-channel logic-level input to high-
voltage 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 out-
put 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 sup-
ply) 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 con-
troller. 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 cur-
rents between supplies. The MAX17079 has thermal
shutdown to protect against overheating, VCC under-
voltage 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
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-Level or 4-Level Operation
Sequential or Combinational Logic
3Ω Output Switches
5-Level Output
Short Propagation Delay (80ns typ)
Fast Rise Time (30ns typ)
Built-In Dead Time to Prevent Shoot-Through
Thermal Shutdown
VLS and VCC Undervoltage Lockout
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX17079GTL+
-40°C to +105°C
40 TQFN-EP*
(6mm x 6mm)
T4066+5
*EP = Exposed paddle.
Simplified Operating Circuit
3.3V 10V 7V 6V 5V 2V 15V
SYSTEM
VCC VH1 VH2 VCOM VL2 VL1 VLS
OA1
OB1
A1
OA2
B1
OB2
A2
OA3
B2
A3 OB3
B3
A4
MAX17079
B4
A5
B5
A6
B6
A7
B7
OA4
OB4
OA5
OB5
OA6
OB6
OA7
AGND
OB7
EN DGND CH ST
PANEL
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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MAX17079 equivalent
4-Level or 2-Level Logic to High-Voltage
Level Shifter for TFT LCD TV Display
Typical Operating Characteristics (continued)
(Circuit of Figure 1. VIN = 12V, TA = +25°C, unless otherwise noted.)
VL2 SWITCH OUTPUT RESISTANCE
150
STATE 4
VVL2 = 5V
120
4-LEVEL SEQUENTIAL STARTUP
MAX17079 toc11
OA2
4-LEVEL COMBINATIONAL STARTUP
MAX17079 toc12
OA2
90
EN
60 A2
30 B2
0
0 10 20 30 40 50
IOA2 (mA)
OA2: 5V/div
A2: 5V/div
40μs/div
B2: 5V/div
EN: 2V/div
4-LEVEL SEQUENTIAL OPERATION
MAX17079 toc13
2-LEVEL SEQUENTIAL STARTUP
MAX17079 toc14
OB2
EN
OA2
OA2
OB2
EN
A2
B2
OA2: 5V/div
A2: 5V/div
40μs/div
B2: 5V/div
EN: 2V/div
2-LEVEL COMBINATIONAL STARTUP
MAX17079 toc15
EN
OA2
OB2
B2
A2
OB2: 5V/div
OA2: 5V/div
A2 A2
40μs/div
B2: 5V/div
A2: 5V/div
OA2: 5V/div
OB2: 5V/div
VCC QUIESCENT CURRENT
vs. TEMPERATURE
50
STATE 1
48
40μs/div
46
44
42
40
-40
-15 10 35 60
TEMPERATURE (°C)
85
A2: 5V/div
EN: 5V/div
OA2: 5V/div
OB2: 5V/div
40μs/div
A2: 5V/div
EN: 5V/div
VLS QUIESCENT CURRENT
vs. TEMPERATURE
0.40
0.35 STATE 2
0.30
0.25
0.20 STATE 1
0.15
0.10
-40
-15 10 35 60
TEMPERATURE (°C)
85
_______________________________________________________________________________________ 5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for MAX17079 electronic component.


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