MPQ8636GVE-20-Z

MPQ8636 High Efficiency, 4/10/20A, 18V Synchronous, Step-Down Converter The Future of Analog IC Technology FEATURES Part Number Package Input Voltage OVP MPQ8636GLE-4 QFN(3x4mm) 4.5V to 18V NonLatch MPQ8636GLE10 QFN(3x4mm) 4.5V to 18V Latch-off    MPQ8636HGLE10 QFN(3x4mm) 4.5V to 18V NonLatch  MPQ8636GVE20 QFN(5x4mm) 4.5V to 18V NonLatch  DESCRIPTION The MPQ8636 is a fully-integrated, highfrequency, synchronous, rectified, step-down, switch-mode converter. It offers a very compact solution to achieve 4A/10A/20A output current over a wide input supply range, with excellent load and line regulation. The MPQ8636 operates at high efficiency over a wide output-current–load range. The MPQ8636 uses Constant-On-Time (COT) control to provide a fast transient response and ease loop stabilization. An external resistor programs the operating frequency from 200kHz to 1MHz, and the frequency keeps nearly constant as input supply varies with the feed-forward compensation. The default under-voltage lockout threshold is internally set at 4.1V, but a resistor network on the enable pin can increase this threshold. The soft-start pin controls the output-voltage startup ramp. An open-drain power-good signal indicates that the output is within nominal voltage range.       Wide 4.5V-to-18V Operating Input Range 4A/10A/20A Output Current Optimal Low RDS(ON) Internal Power MOSFETs Per Device Proprietary Switching-Loss–Reduction Technique Adaptive COT for Ultrafast Transient Response 0.5% Reference Voltage Over 0°C to 70°C Junction Temperature Range Programmable Soft-Start Time Pre-Bias Start-Up Programmable Switching Frequency from 200kHz to 1MHz Non-Latch OCP, OVP, and Thermal Shutdown Output Adjustable from 0.611V to 13V APPLICATIONS       Telecom and Networking Systems Base Stations Servers Personal Video Recorders Flat-Panel Televisions and Monitors Distributed Power Systems All MPS parts are lead-free, halogen free, and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. It has fully-integrated protection features that include over-current protection, over-voltage protection and thermal shutdown. The MPQ8636 requires a minimal number of readily-available standard external components and is available in a 16-Pin QFN 3mm×4mm or a 29-Pin QFN 5mm×4mm package. MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 1 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER TYPICAL APPLICATION VIN BST IN C1 C3 RFREQ FREQ VOUT R4 MPQ8636-10 C2 FB VCC C5 C4 R1 EN MPQ8636H-10 ON/OFF L1 SW R3 R2 SS C6 PG PGND AGND MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 2 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER ORDERING INFORMATION Part Number Package Top Marking MPQ8636GLE-4* MPQ8636GLE-10** MPQ8636HGLE-10*** MPQ8636GVE-20**** QFN(3x4mm) QFN(3x4mm) QFN(3x4mm) QFN(5x4mm) See Below See Below See Below See Below * For Tape & Reel, add suffix –Z (e.g. MPQ8636GLE-4–Z) ** For Tape & Reel, add suffix –Z (e.g. MPQ8636GLE-10–Z) *** For Tape & Reel, add suffix –Z (e.g. MPQ8636HGLE-10-Z) **** For Tape & Reel, add suffix –Z (e.g. MPQ8636GVE-20-Z) TOP MARKING (MPQ8636GLE-4) MP: MPS prefix; Y: year code; W: week code; 8636: first four digits of the part number; LLL: lot number; E: different package option; 4: suffix of part number TOP MARKING (MPQ8636GLE-10) MP: MPS prefix; Y: year code; W: week code; 8636: first four digits of the part number; LLL: lot number; E: different package option; 10: suffix of part number MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 3 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER TOP MARKING (MPQ8636HGLE-10) MP: MPS prefix; Y: year code; W: week code; 8636H: first five digits of the part number; LLL: lot number; E: different package option; 10: suffix of part number TOP MARKING (MPQ8636GVE-20) MPS: MPS prefix; YY: year code; WW: week code; MP8636: product code of MPQ8636GVE-20; LLLLLLL: lot number; E: different package option; 20: suffix of part number MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 4 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER PACKAGE REFERENCE TOP VIEW TOP VIEW MPQ8636GLE-4 MPQ8636GLE-10 MPQ8636HGLE-10 MPQ8636GVE-20 QFN (3mmX4mm) QFN (5mmX4mm) MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 5 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER ABSOLUTE MAXIMUM RATINGS (1) Thermal Resistance Supply Voltage VIN ....................................... 21V VSW ........................................ -0.3V to VIN + 0.3V VSW (30ns)................................... -3V to VIN + 3V VBST ...................................................... VSW + 6V VBST (30ns) ........................................ VSW + 6.5V Enable Current IEN(2)................................ 2.5mA All Other Pins ................................. –0.3V to +6V (3) Continuous Power Dissipation (TA=+25°) QFN3X4……………………….…..…………2.7W QFN5X4……………………….…..…………3.3W Junction Temperature ...............................150°C Lead Temperature ....................................260°C Storage Temperature ............... -65°C to +150°C QFN (3x4mm) ......................... 46 ....... 9.... °C/W Recommended Operating Conditions (4) (5) θJA θJC QFN (5x4mm) ......................... 38 ....... 6.... °C/W Notes: 1) Exceeding these ratings may damage the device. 2) Refer to the section “Configuring the EN Control”. 3) The maximum allowable power dissipation is a function of the maximum junction temperature TJ(MAX), the junction-toambient thermal resistance θJA, and the ambient temperature TA. The maximum allowable continuous power dissipation at any ambient temperature is calculated by PD(MAX)=(TJ(MAX)TA)/θJA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry protects the device from permanent damage. 4) The device is not guaranteed to function outside of its operating conditions. 5) Measured on JESD51-7, 4-layer PCB. Supply Voltage VIN ........................... 4.5V to 18V Output Voltage VOUT ..................... 0.611V to 13V Enable Current IEN....................................... 1mA Operating Junction Temp. (TJ). -40°C to +125°C MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 6 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER ELECTRICAL CHARACTERISTICS VIN = 12V, TJ = -40°C to +125°C, unless otherwise noted. Parameters Symbol Condition Min Typ Max Units 0 1 μA 860 1000 μA Supply Current Supply Current (Shutdown) IIN VEN = 0V Supply Current (Quiescent) IIN VEN = 2V, VFB = 1V 700 MOSFET MPQ8636-4, TJ =25°C High-Side Switch-On Resistance HSRDS-ON 28 MPQ8636-10, MPQ8636H10, TJ =25°C MPQ8636-20, TJ =25°C 9.9 MPQ8636-4, TJ =25°C Low-Side Switch-On Resistance Switch Leakage LSRDS-ON SWLKG mΩ 19.6 16.4 MPQ8636-10, MPQ8636H10, TJ =25°C MPQ8636-20, TJ =25°C 2.4 VEN = 0V, VSW = 0V or 12V 0 10 μA A mΩ 5.7 Current Limit High-Side Peak Current Limit Low-Side Valley Current Limit(6) Low-Side Negative Current Limit(6) ILIMIT_PEAK MPQ8636-10 13 17.3 21.6 MPQ8636- 4 4 5 6 MPQ8636- 10 9.5 11 12.5 MPQ8636H-10 10 13 16 MPQ8636-20 20 25 30 MPQ8636- 4 ILIMIT_NEGATIVE MPQ8636- 10,MPQ8636H10 MPQ8636-20 -4 -2.5 -1 -6.5 -5 -4.5 ILIMIT_VALLEY A A Timer One-Shot ON Time Minimum On Time (6) Minimum OFF Time(6) TON RFREQ=453kΩ, VOUT=1.2V TON_MIN TOFF_MIN 250 ns 20 30 40 MPQ8636-10 50 100 150 MPQ8636-4,MPQ8636H10, MPQ8636-20 200 360 420 ns ns Over-Voltage and Under-Voltage Protection OVP Threshold(6) VOVP 127% 130% 133% VFB (6) VUVP 47% 50% 53% VFB TJ = 0°C to +70°C 608 611 614 mV TJ = 0°C to +125°C 605 611 617 mV TJ = -40°C to +125°C 602 611 620 mV UVP Threshold Reference and Soft Start Reference Voltage VREF MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 7 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER ELECTRICAL CHARACTERISTICS (continued) VIN = 12V, TJ = -40°C to +125°C, unless otherwise noted. Parameters Feedback Current Soft Start Charging Current Symbol IFB ISS Condition VFB = 611mV VSS=0V Min 16 Typ 50 20 Max 120 25 Units nA μA 1.3 250 0 0 1.5 V mV Enable And UVLO Enable Input, Low Voltage Enable, Hysteresis Enable, Input Current VILEN VEN-HYS IEN 1.1 VEN = 2V VEN = 0V μA VCC Regulator VCC Under-Voltage Lockout, Threshold Rising VCC Under-Voltage Lockout, Threshold Hysteresis VCC Regulator VCC Load Regulation VCCVth 4 V VCCHYS 500 mV 5 0.5 V % VCC Icc=5mA Power-Good Power-Good High Threshold Power-Good Low Threshold Power-Good, Low-to High-Delay Power Good, Sink Current Capability Power Good, Leakage Current PGVth-Hi-Rise PGVth-Hi-Fall PGVth-Lo-Rise PGVth-Lo-Fall PGTd IOL IPG LEAK FB from low to high FB from high to low FB from low to high FB from high to low 87% 117% 91% 109% 120% 80% 2 VOL=600mV VPG = 3.3V 94% 123% VFB VFB VFB VFB ms 12 mA 10 nA 25 °C °C Thermal Protection Thermal Shutdown(6) Thermal Shutdown, Hysteresis TSD 150 Note: 6) Guaranteed by design. MPQ8636 Rev. 1.32 www.MonolithicPower.com 6/7/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 8 MPQ8636 — 4/10/20A, 18V, SYNCHRONOUS, STEP-DOWN CONVERTER PIN FUNCTIONS MPQ8636GLE-4, MPQ8636GLE-10, MPQ8636HGLE-10 PIN # Name 1 EN 2 FREQ 3 FB 4 SS 5 AGND 6 PG 7 VCC 8 BST 9, 14 IN 10, 11, 12, 13 PGND 15, 16 SW Description Enable. Digital input that turns the regulator on or off. Drive EN high to turn on the regulator; drive it low to turn it off. Connect EN to IN through a pull-up resistor or a resistive voltage divider for automatic startup. Do not float this pin. Frequency Set. Require a resistor connected between FREQ and IN to set the switching frequency. The input voltage and the resistor connected to the FREQ pin determine the ON time. The connection to the IN pin provides line feed-forward and stabilizes the frequency during input voltage’s variation. Feedback. Connect to the tap of an external resistor divider from the output to GND to set the output voltage. FB is also configured to realize over-voltage protection (OVP) by monitoring output voltage. MPQ8636-10 and MPQ8636H-10 provide different OVP mode. Please refer to the section “Over-Voltage-Protection (OVP)”. Place the resistor divider as close to FB pin as possible. Avoid using vias on the FB traces. Soft-Start. Connect an external capacitor to program the soft start time for the switch mode regulator. Analog Ground. The control circuit reference. Power-Good. The output is an open drain signal. Requires a 100kΩ typical pull-up resistor to a DC voltage to indicate HIGH if the output voltage exceeds 91% of the nominal voltage. Recommend a 10nF capacitor from PG to GND when the PG pull up resistor is