MAX17004ETJ+ Maxim Integrated Products, MAX17004ETJ+ Datasheet
MAX17004ETJ+
Specifications of MAX17004ETJ+
Related parts for MAX17004ETJ+
MAX17004ETJ+ Summary of contents
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... Overvoltage-Fault Protection (MAX17003 Only 26V Input Range o 2V ±0.75% Reference Output o Independent Enable Inputs and Power-Good Outputs o Soft-Start and Soft-Discharge (Voltage Ramp) o 8µA (typ) Shutdown Current PART MAX17003ETJ+ MAX17004ETJ+ + Denotes lead-free package. TOP VIEW Applications DSCHG3 Features Ordering Information PIN- TEMP RANGE ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ABSOLUTE MAXIMUM RATINGS IN, SHDN, DRVA, OUTA to GND............................-0.3V to +28V LDO5, ON3, ON5, ONA to GND ..............................-0.3V to +6V PGDALL, DSCHG3, DSCHG5 to GND .....................-0.3V to +6V CSL3, CSH3, CSL5, ...
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... Current-Limit Threshold (Fixed) Current-Limit Threshold (Adjustable) Current-Limit Threshold (Negative) Current-Limit Threshold (Zero Crossing) Idle Mode™ Threshold Idle Mode Threshold (Low Audible-Noise Mode) ILIM Leakage Current Idle Mode is a trademark of Maxim Integrated Products, Inc. _______________________________________________________________________________________ = +25°C.) A CONDITIONS Either SMPS 2.1V FB3 FB5 Either SMPS, SKIP = LDO5, 0 < ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I (Circuit of Figure load ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I (Circuit of Figure load ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I (Circuit of Figure load ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I (Circuit of Figure load ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ELECTRICAL CHARACTERISTICS (continued) = 12V, both SMPS enabled, FSEL = REF, SKIP = GND, ILIM = LDO5, FBA = LDO5, I (Circuit of Figure load ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers = 12V, SKIP = GND, FSEL = REF, T (Circuit of Figure OUTPUT EFFICIENCY vs. LOAD CURRENT 100 7V 90 12V 80 70 20V 60 SKIP MODE ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers = 12V, SKIP = GND, FSEL = REF, T (Circuit of Figure 3.3V IDLE MODE CURRENT vs. INPUT VOLTAGE 3 SKIP MODE SKIP = GND 2 1 LOW-NOISE ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers = 12V, SKIP = GND, FSEL = REF, T (Circuit of Figure SOFT-START WAVEFORM MAX17003/MAX17004 toc16 400μs/div A. AUX LDO ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers = 12V, SKIP = GND, FSEL = REF, T (Circuit of Figure SKIP TRANSITION MAX17003/MAX17004 toc22 3.3V 0 3.35V 3.25V 2A 0 12V 0 40μs/div A. SKIP, 5V/div ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers PIN NAME Auxiliary LDO Enable Input. When ONA is pulled low, OUTA is high impedance and the secondary feedback 1 ONA control is disabled. When ONA is driven high, the controller ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers PIN NAME Boost Flying Capacitor Connection for the 5V SMPS. The MAX17003/MAX17004 include an internal boost 15 BST5 switch connected between LDO5 and BST5. Connect to an external capacitor as shown ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers PIN NAME Auxiliary LDO Feedback Input. Connect a resistive voltage-divider from OUTA to analog ground to adjust 31 FBA the auxiliary linear-regulator output voltage. FBA regulates at 1V. Adjustable Auxiliary Linear-Regulator ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers L1 3.3V PWM OUTPUT C OUT3 D R1 6.96kΩ R2 3.48kΩ C1 0.22μF C3 1000pF SECONDARY OUTPUT 12V LDO OUTPUT C LDOA 4.7μF ON Figure 1. Standard Application Circuit 16 ______________________________________________________________________________________ ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Table 2. Component Suppliers SUPPLIER AVX www.avx.com Central Semiconductor www.centralsemi.com Fairchild www.fairchildsemi.com International Rectifier www.irf.com KEMET www.kemet.com NEC/Tokin www.nec-tokin.com Panasonic www.panasonic.com/industrial Philips www.philips.com Pulse www.pulseeng.com Renesas www.renesas.com SANYO www.edc.sanyo.com Sumida www.sumida.com ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers OSC FSEL ILIM SKIP CSH3 CSL3 LDO5 BST3 DH3 LX3 LDO5 DL3 PGND FB3 ON3 DSCHG5 DSCHG3 PGDALL Figure 2. Functional Diagram 18 ______________________________________________________________________________________ CONTROLLER PWM3 CONTROLLER (FIGURE 3) FB DECODE ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Table 3. Operating Mode Truth Table INPUTS* MODE SHDN ON5 Shutdown Mode Low Standby Mode High Low Normal Operation High High 3.3V SMPS Active High Low 5V SMPS Active High High ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Output Discharge (Soft-Discharge) When the switching regulators are disabled—when ON_ or SHDN is pulled low, or when an output undervoltage fault occurs—the internal soft-discharge gradually decreases the output voltage by pulling ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Table 4. FSEL Configuration Table FSEL SWITCHING FREQUENCY (kHz) LDO5 REF GND Frequency Selection (FSEL) The FSEL input selects the PWM mode switching fre- quency. Table 4 shows the switching frequency ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers discontinuous inductor-current operation (also known as the “critical conduction” point). The load-current level at which PFM/PWM crossover occurs given by: − OUT OUT = I ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers maximum load current is less than the peak current- limit threshold by an amount equal to half of the induc- tor ripple current. Therefore, the maximum load capability is a function ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Table 5. Operating Modes Truth Table MODE Power-Up LDO5 < UVLO threshold SHDN = high, ON3 or ON5 enabled Run Output Overvoltage (OVP) Protection Either output > 111% of nominal level ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Auxiliary LDO Detailed Description The MAX17003/MAX17004 include an auxiliary linear regulator (OUTA) that can be configured for 12V, ideal for PCMCIA power requirements, and for biasing the gates of load switches ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Ferrite cores are often the best choice, although pow- dered iron is inexpensive and can work well at 200kHz. The core must be large enough not to saturate at the peak ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers MAX17003 MAX17004 N DH_ LX_ N DL_ PGND CSH_ CSL_ A) OUTPUT SERIES RESISTOR SENSING MAX17003 MAX17004 N DH_ LX_ N DL_ PGND CSH_ CSL_ B) LOSSLESS INDUCTOR SENSING Figure 7. ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Setting the Current Limit The minimum current-limit threshold must be great enough to support the maximum load current when the current limit is at the minimum tolerance value. The peak inductor ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers The actual capacitance value required relates to the physical size needed to achieve low ESR, as well as to the chemistry of the capacitor technology. Thus, the capacitor is usually selected ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers INPUT RMS CURRENT FOR INTERLEAVED OPERATION − − RMS OUT OUT 5 OUT 3 = ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers lower losses in between. If the losses at V significantly higher, consider increasing the size of N Conversely, if the losses at V IN(MAX) higher, consider reducing the size of N ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers Q GATE = C BST 200 mV where Q is the total gate charge specified in the GATE high-side MOSFET’s data sheet. For example, assume the FDS6612A n-channel MOSFET is used ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers The output capacitor and the load resistance create the dominant pole in the system. However, the internal ampli- fier delay, the pass transistor’s input capacitance, and the stray capacitance at the ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers ⎛ ⎜ IN MIN ( ) OUT CHG ⎝ D MAX where V and V are the parasitic voltage drops in CHG DIS ...
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High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers SINGLE n-CHANNEL MOSFETS INDUCTOR C IN INPUT GROUND HIGH-POWER LAYOUT Figure 9. PCB Layout ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 36 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Package Information is a registered trademark of Maxim Integrated Products, Inc ...