19-4396; Rev 0; 12/08
MAX17075 Evaluation Kit
Evluates:MAX1075
General Description
Features
♦ +2.5V to +5.5V Input-Voltage Range
The MAX17075 evaluation kit (EV kit) is a fully assem-
bled and tested surface-mount circuit board that pro-
vides the voltages and features required for active-
matrix thin-film transistor (TFT), liquid-crystal display
(LCD) panels in LCD monitors and LCD TVs. The EV kit
contains a step-up switching regulator, a two-stage pos-
itive charge pump for the TFT gate-on supply, a single-
stage negative charge pump for the TFT gate-off sup-
ply, and a high-current op amp. Also included is a logic-
controlled high-voltage switch array, with capacitor con-
trol delay, for the positive gate-driver supply. A capaci-
tive dummy load is provided at the high-voltage switch
output for ease of testing without an attached panel.
♦ Output Voltages (+4.5V to +5.5V Input Voltage)
+13V Output at 500mA (Step-Up Switching
Regulator)
+30V Output at 30mA (Positive Charge Pump)
-7V Output at 60mA (Negative Charge Pump)
High-Current Op Amp ( 500mA Peaꢀ Current)
♦ 1.2MHz Switching Frequency
♦ All Output Voltages are Resistor Adjustable
♦ Logic-Controlled High-Voltage Switches with
The MAX17075 EV kit is designed to operate from a DC
supply voltage of +2.5V to +5.5V. At +5V ( 10ꢀ) nomi-
nal input voltage, the step-up switching regulator pro-
vides a +13V output and up to 500mA. The positive
charge pump provides a +30V output and up to 30mA.
The negative charge pump provides a -7V output and
up to 60mA. The high-current op amp provides a +6.5V
output that can source or sink 500mA peak current. The
high-voltage switch array is controlled by external logic.
Capacitor Control Delay
♦ Low-Profile Surface-Mount Components
♦ Lead(Pb)-Free and RoHS Compliant
♦ Fully Assembled and Tested
Ordering Information
PART
TYPE
The MAX17075 switches at 1.2MHz, allowing the use of
tiny surface-mount components. The MAX17075 thin
QFN package (0.8mm maximum height) with low-profile
external components allows this circuit to be less than
3mm high.
MAX17075EVKIT+
EV Kit
+Denotes lead(Pb)-free RoHS compliant.
Component List
DESIGNATION QTY
DESCRIPTION
DESIGNATION QTY
DESCRIPTION
0.033µF 10ꢀ, 16V X7R ceramic
capacitor (0603)
Murata GRM188R71C333K
TDK C1608X7R1E333K
10µF 20ꢀ, 6.3V X5R ceramic
capacitors (0603)
Murata GRM188R60J106M
TDK C1608X5R0J106M
C8
C9
1
1
2
4
1
C1, C2
C3, C4
C5
2
2
1
1
1
0.22µF 10ꢀ, 6.3V X5R ceramic
capacitor (0402)
Murata GRM155R60J224K
TDK C1005X5R0J224K
10µF 20ꢀ, 25V X5R ceramic
capacitors (1206)
Murata GRM31CR61E106M
TDK C3216X5R1E106M
1µF 10ꢀ, 50V X7R ceramic
capacitors (1206)
Murata GRM31MR71H105KA
TDK C3216X7R1H105K
1µF 10ꢀ, 6.3V X5R ceramic
capacitor (0402)
Murata GRM155R60J105K
TDK C1005X5R0J105K
C10, C14
0.1µF 10ꢀ, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H104K
TDK C1608X7R1H104K
1µF 10ꢀ, 25V X5R ceramic
capacitor (0603)
Murata GRM188R61E105K
TDK C1608X5R1E105K
C11, C15, C16,
C17
C6
220pF 10ꢀ, 50V X7R ceramic
capacitor (0402)
Murata GRM155R71H221K
TDK C1005X7R1H221K
1000pF 10ꢀ, 50V X7R ceramic
capacitor (0805)
Murata GRM216R71H102K
TDK C2012X7R1H102K
C12
C7
________________________________________________________________ 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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