ADM8839-EVALZ Analog Devices Inc, ADM8839-EVALZ Datasheet
ADM8839-EVALZ
Specifications of ADM8839-EVALZ
Related parts for ADM8839-EVALZ
ADM8839-EVALZ Summary of contents
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... TFT LCD panels Cellular phones GENERAL DESCRIPTION The ADM8839 is a charge pump regulator used for color thin film transistor (TFT) liquid crystal displays (LCDs). Using charge pump technology, the device can be used to generate three voltages (+5 V ± 2%, +15 V, −15 V) from a single 3 V supply ...
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... ADM8839 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 3 Absolute Maximum Ratings............................................................ 4 Thermal Characteristics .............................................................. 4 REVISION HISTORY 7/06—Rev Rev. C Updated Format..................................................................Universal Changes to Table 1............................................................................ 3 Changes to Table 5............................................................................ 5 Changes to Ordering Guide .......................................................... 10 Updated Outline Dimension......................................................... 10 ESD Caution...................................................................................4 Pin Configuration and Function Descriptions ...
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... 100 140 0.3 × V 0.7 × ±1 10 0.3 × V 0.7 × ±1 10 Min Typ 250 3 3 600 ADM8839 Unit V μA μ p-p μs V μA mV p-p V μA mV p-p % kHz μ μA pF Max Unit μ μs ms ...
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... ADM8839 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter Supply Voltage Input Voltage on Digital Inputs Output Short-Circuit Duration to GND Output Voltage +5 V Output –15 V Output +15 V Output Operating Temperature Range Power Dissipation Storage Temperature Range ESD ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...
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... A logic low isolates the internal LDO from the rest of the charge pump circuits. This allows the use of an external LDO to regulate the 5 V voltage doubler output. The output of this LDO is then fed back into the voltage tripler and inverter circuits of the ADM8839. 7 SHDN Digital Input ...
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... ADM8839 TYPICAL PERFORMANCE CHARACTERISTICS 5.10 DEVICE AT +25°C 5.05 5.00 4.95 DEVICE AT –40°C 4.90 4.85 4.80 4.75 4. 2.9 3.1 3 SUPPLY VOLTAGE (V) Figure 3. LDO O/P Voltage Variation over Temperature and Supply 5.020 5.015 5.010 5.005 5.000 4.995 (mA) LOAD Figure 4. LDO O/P Voltage vs. Load Current ...
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... RIPPLE CC Figure 10. Output Ripple on LDO (5 V Output) LOAD DISABLE 5V OUTPUT Figure 11 Output Transient Response, Load Disconnected LOAD ENABLE 5V OUTPUT Figure 12. Output Transient Response for Maximum Load Current +15V OUTPUT –15V OUTPUT 5VOUT Figure 13. +15 V and −15 V Outputs at Power-Down Rev Page ADM8839 ...
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... BOOSTING THE CURRENT DRIVE OF THE ±15 V SUPPLY The ADM8839 ±15 V output can deliver 150 μA of current in the typical configuration, as shown in Figure 15 also possible to draw 100 μA from the +15 V output and 200 μA from the −15 V output, or vice versa possible to draw a maximum of only 300 μ ...
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... It is possible to configure the ADM8839 to supply up to 400 μA on the ±15 V outputs by changing its configuration slightly, as shown in Figure 17. C5, 2.2µ ADM8839 VOLTAGE DOUBLER OSCILLATOR LDO VOLTAGE REGULATOR CONTROL LOGIC LDO_ON/OFF DOUBLE VOLTAGE TRIPLER TRIPLE TIMING GENERATOR VOLTAGE SHUTDOWN INVERTER DISCHARGE ...
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... Model Temperature Range ADM8839ACP −40°C to +85°C ADM8839ACP-REEL −40°C to +85°C ADM8839ACP-REEL7 −40°C to +85°C 1 ADM8839ACPZ −40°C to +85°C 1 ADM8839ACPZ-REEL −40°C to +85°C ADM8839ACPZ-REEL7 1 −40°C to +85°C EVAL-ADM8839EB Pb-free part. 0.60 4.00 MAX BSC SQ 0.60 ...
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... NOTES Rev Page ADM8839 ...
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... ADM8839 NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C03075-0-7/06(C) Rev Page ...