EL7585AILZ-T13 Intersil, EL7585AILZ-T13 Datasheet
EL7585AILZ-T13
Specifications of EL7585AILZ-T13
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EL7585AILZ-T13 Summary of contents
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... EL7585AILZ-T7 12 PGND (Note) 11 FBN EL7585AILZ-T13 (Note) NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil ...
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Absolute Maximum Ratings ( ...
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Electrical Specifications -40°C to 85°C, unless otherwise specified. (Continued) PARAMETER DESCRIPTION V LDO ON V FBP Regulation Voltage FBP V FBP Fault Trip Point F_FBP I FBP Input Bias Current FBP GMP FBP Effective Transconductance ...
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Electrical Specifications -40°C to 85°C, unless otherwise specified. (Continued) PARAMETER DESCRIPTION OT Over-temperature Threshold I PG Pull-down Current PG LOGIC ENABLE V Logic High Threshold HI V Logic Low Threshold LO I Logic Low bias ...
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Typical Performance Curves 100 =15V 0.1 0.2 0.3 I (A) OUT FIGURE 1. V EFFICIENCY AT V BOOST 100 =15V ...
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Typical Performance Curves =15V =12V 0.2 0.4 I (A) OUT FIGURE 7. V LOAD REGULATION AT V BOOST 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 0 ...
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Typical Performance Curves V CDLY V LOGIC REF TIME (10ms/DIV) FIGURE 13. START-UP SEQUENCE AVDD V LOGIC V OFF V ON TIME (10ms/DIV) FIGURE 15. START-UP SEQUENCE 7 EL7585A (Continued =220nF DLY C =220nF DLY ...
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REFERENCE V REF GENERATOR SGND FBB GM AMPLIFIER C INT UVLO COMPARATOR THERMAL SHUTDOWN CDLY DRVN BUFFER FBN 0.4V Applications Information The EL7585A is a highly integrated multiple output power solution for TFT-LCD applications. The system consists ...
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Boost Converter The main boost converter is a current mode PWM converter at a fixed frequency of 1MHz which enables the use of low profile inductors and multilayer ceramic capacitors. This results in a compact, low cost power system for ...
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The following table gives typical values (margins are considered 10%, 3%, 20%, 10%, and 15 and I : OMAX TABLE 2. V (V) V (V) L (µH) (MHz 3.3 9 6.8 3.3 12 6.8 3.3 15 ...
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Operation of the DELB Output Function An open drain DELB output is provided to allow the boost output voltage, developed at C (see application diagram delayed via an external switch (Q4 time after the V ...
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For the EL7585A, the minimum drive current is: I_DRVL_min = 8mA The minimum base-emitter resistor, R calculated as: R _min = V _max/(I_DRVL_min - Ic/Hfe_min 1.25V/(8mA - 500mA/100) = 417Ω This is the minimum value that can ...
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Typical V voltage supported by EL7585A LOGIC ranges from +1. -0.2V. A fault comparator is also DD included for monitoring the output voltage. The undervoltage threshold ...
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The following equation gives the boundary between discontinuous and continuous boost operation. For continuous operation (LX switching every clock cycle) we require that: I(A _load) > D*(1-D)*V /(2*L*F VDD IN OSC where the duty cycle ...
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In some circumstances, (depending on ambient temperature and thermal design of the board), continuous operation at current limit may result in the over-temperature threshold being exceeded, which will cause the part to disable immediately. All I/O also have ESD protection, ...
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EL7585A V CDLY REF V BOOST LOGIC V OFF t DEL1 DELAYED V BOOST V ON START-UP SEQUENCE TIMED BY C FIGURE 26. START-UP SEQUENCE DEL2 t DEL3 DLY ...
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Over-Temperature Protection An internal temperature sensor continuously monitors the die temperature. In the event that the die temperature exceeds the thermal trip point of 140°C, the device will shut down. Layout Recommendation The device's performance including efficiency, output noise, transient ...
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Typical Application Diagram Q NODE 1nF 10µ 0.22µF 4.7µF R 10Ω 4.7µ 10kΩ 0.1µF REF 41 NODE ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...