ADM8839ACPZ Analog Devices Inc, ADM8839ACPZ Datasheet
ADM8839ACPZ
Specifications of ADM8839ACPZ
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ADM8839ACPZ Summary of contents
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FEATURES 3 voltages (+5 V, +15 V, −15 V) from a single 3 V supply Power efficiency optimized for use with TFT in mobile phones Low quiescent current Low shutdown current (<5 μA) Shutdown function Option to use external LDO ...
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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. B ...
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SPECIFICATIONS (+40%/−10%); T = −40°C to +85°C; C1, C5, C6 2.2 μF; C2, C3, C4, C8 0.22 μF; unless otherwise noted Table 1. Parameter Test Conditions INPUT VOLTAGE ...
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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 ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic Description 1 V Positive Supply Voltage Input. Connect this pin to the 3 V supply with a 2.2 μF decoupling capacitor. Must be CC electrically tied together ...
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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 ...
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OUTPUT –15V OUTPUT 5VOUT Figure 9. +15 V and −15 V Outputs at Power-Up V RIPPLE (DOUBLER OUTPUT RIPPLE) OUT LDO OUTPUT RIPPLE V RIPPLE CC Figure 10. Output Ripple on LDO (5 V Output) LOAD DISABLE 5V OUTPUT ...
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ADM8839 THEORY OF OPERATION POWER SEQUENCING For the TFT panel to power up correctly, the gate drive supplies must be sequenced such that the −15 V supply is up before the +15 V supply. The ADM8839 controls this sequence. When ...
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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 ...
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... 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 MAX TOP 3 ...
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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 ...