EL7585ILZ-T7 Intersil, EL7585ILZ-T7 Datasheet
EL7585ILZ-T7
Specifications of EL7585ILZ-T7
Related parts for EL7585ILZ-T7
EL7585ILZ-T7 Summary of contents
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... Ordering Information PART PART NUMBER MARKING PACKAGE EL7585ILZ 7585ILZ 20 Ld 4x4 QFN (Note) (Pb-free) EL7585ILZ-T7 7585ILZ 20 Ld 4x4 QFN (Note) (Pb-free) EL7585ILZ-T13 7585ILZ 20 Ld 4x4 QFN (Note) (Pb-free) 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 ...
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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 REF V BOOST V LOGIC TIME (10ms/DIV) FIGURE 13. START-UP SEQUENCE V BOOST-DELAY V LOGIC V OFF V ON TIME (10ms/DIV) FIGURE 15. START-UP SEQUENCE 7 EL7585 (Continued =220nF DLY C =220nF ...
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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 EL7585 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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The base-emitter saturation voltage is: Vbe_max = 1.25V (note this is normally a Vbe ~ 0.7V, however, for the Q5 transistor an internal Darlington arrangement is used to increase it's current gain, giving a 'base-emitter' voltage ...
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The LDO_OFF regulator uses an external NPN transistor as the pass element. The onboard LDO controller ...
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Discontinuous/Continuous Boost Operation and its Effect on the Charge Pumps The EL7585 V and V architecture uses LX switching ON OFF edges to drive diode charge pumps from which LDO regulators generate the V and V ON OFF appreciated that ...
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Typical fault thresholds for FBP, FBL, FBN and FBB are included in the tables. PG and DELB fault thresholds are typically 0.6V. C has an internal current-limited clamp to keep the INT voltage within its normal range INT ...
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EL7585 V CDLY EN V 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 DLY FN7345.2 March 9, 2006 ...
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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 ...