EL7642ILTZ-T13 Intersil, EL7642ILTZ-T13 Datasheet
EL7642ILTZ-T13
Specifications of EL7642ILTZ-T13
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EL7642ILTZ-T13 Summary of contents
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... Ld 5x5 Thin QFN EL7642ILTZ-T7 7642ILTZ 7” 5x5 Thin QFN EL7642ILTZ-T13 7642ILTZ 13” 5x5 Thin QFN 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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Pinouts EL7640 (32 LD QFN) TOP VIEW SRC 1 REF 2 AGND 3 PGND 4 THERMAL PAD OUT1 5 NEG1 6 POS1 NOT INTERNALLY CONNECTED IC = INTERNALLY CONNECTED EL7642 (32 LD QFN) TOP VIEW ...
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Absolute Maximum Ratings (T A IN, CTL to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V ...
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Electrical Specifications Unless Otherwise Specified. (Continued) PARAMETER DESCRIPTION OPERATIONAL AMPLIFIERS V Supply Operating Range SUP I Supply Current per Amplifier SUP V Offset Voltage OS I Input Bias Current B CMIR Common Mode Input Range ...
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Electrical Specifications Unless Otherwise Specified. (Continued) PARAMETER DESCRIPTION V -SLICE CIRCUIT ON V CTL Input Low Voltage LO V CTL Input High Voltage HI I CTL CTL Input Leakage Current LEAK t rise CTL to ...
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Pin Descriptions PIN NAME EL7642 EL7641 SRC 1 REF 2 AGND 3 PGND 4 OUT1 5 NEG1 6 POS1 7 OUT2 8 NEG2 9 POS2 10 BGND 11 POS3 12 NEG3 - OUT3 13 SUP 14 POS4 15 NEG4 16 ...
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Typical Performance Curves 100 = = 200 400 600 800 LOAD CURRENT (mA) FIGURE 1. BOOST EFFICIENCY -0.1 V =3V IN -0.2 ...
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Typical Performance Curves BOOST OUTPUT VOLTAGE (AC COUPLING) BOOST OUTPUT CURRENT FIGURE 7. BOOST PULSE LOAD TRANSIENT RESPONSE 0 -0.02 -0.04 -0.06 -0.08 -0.1 -0. INPUT VOLTAGE (V) FIGURE 9. V LINE REGULATION ON 0 -0.1 ...
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Typical Performance Curves INPUT VOLTAGE V BOOST OFF TIME (20ms/DIV) FIGURE 13. START-UP SEQUENCE JEDEC JESD51-3 AND SEMI G42-88 (SINGLE LAYER) TEST BOARD 0.8 0.7 758mW QFN32 0.6 θ =125°C/W JA 0.5 0.4 0.3 0.2 0.1 0 ...
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V REF REFERENCE GENERATOR FBB GM AMPLIFIER C INT UVLO COMPARATOR THERMAL SHUTDOWN DRVN BUFFER FBN 0.4V Boost Converter The main boost converter is a current mode PWM converter operating at a fixed frequency. The 1.2MHz switching frequency enables the ...
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The current through MOSFET is limited to 3A peak. This restricts the maximum output current based on the following equation: ∆I V × --------- = – -------- I I OMAX LMT ...
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The following table gives typical values (margins are considered 10%, 3%, 20%, 10% and 15 and I : LMT TABLE 2. V (V) V (V) L (µ 3.3 9 6.8 3.3 12 6.8 3.3 ...
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LDO_ON 0.9V PG_LDOP + 36V ESD - CLAMP R BP 700Ω DRVP FBP + - GMP 1: Np FIGURE 19. V FUNCTIONAL BLOCK DIAGRAM ON LDO_OFF PG_LDON - + R 0.4V 20kΩ FBN DRVN + GMN ...
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EL7642 FIGURE 22. THE LINEAR REGULATOR CONTROLS ONE STAGE OF CHARGE PUMP Calculation of the Linear Regulator Base-emitter Resistors (RBP and RBN) For the pass transistor of the linear regulator, low frequency gain (Hfe) and unity gain frequency (f T ...
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V supplies. It can be appreciated that should a regular OFF supply of LX switching edges be interrupted, for example during discontinuous operation at light boost load currents, then this may affect the performance of V regulation – depending on ...
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V CDLY IN V REF V BOOST V OFF CIRCUIT ON SLICE Component Selection for Start-up Sequencing and Fault Protection The C capacitor is typically set at 220nF and is required REF to stabilize the V output. ...
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A high quality layout/design of the PCB, in respect of grounding quality and decoupling is necessary to avoid falsely triggering the fault detection scheme – especially during start-up. The user is directed to the layout guidelines and component selection ...
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A signal ground plane, separate from the power ground plane and connected to the power ground pins only at the exposed die plate, should be used for ground return connections for feedback resistor networks (R1, R11, R41) and the ...
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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 ...