MP3212 MPS, MP3212 Datasheet
MP3212
Related parts for MP3212
MP3212 Summary of contents
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... The Future of Analog IC Technology DESCRIPTION The MP3212 is a high efficiency, fixed frequency, current-mode boost converter disconnect, inrush current limiting, internal soft- start and compensation. The 1MHz switching frequency allows for smaller external components producing a compact solution for a wide range of load currents. The ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH Part Number* QFN10 (3mm x 3mm) MP3212DQ * For Tape & Reel, add suffix –Z (e.g. MP3212DQ–Z). For RoHS Compliant Packaging, add suffix –LF (e.g. VDDOUT ABSOLUTE MAXIMUM RATINGS VDD to GND .................................. –0.3V to +6V VOUT to GND .............................. –0.3V to +35V VSW to GND ................................ – ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH ELECTRICAL CHARACTERISTICS V = 3.6V 0V GND SHDN unless otherwise noted Parameter (1) Supply Operating Voltage Under Voltage Lockout High Threshold Under Voltage Lockout Low Threshold Shutdown Current Supply Current (PFM) Supply Current (PWM) ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH PIN FUNCTIONS QFN10 Name Description Pin # 1 PGND Power Ground. The ground return for C 2 VDDOUT Input voltage after passing through the input isolation FET 3 VDD Actual input voltage before the isolation FET ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH TYPICAL PERFORMANCE CURVES V = 3.3V 18V +25ºC, unless otherwise noted. IN OUT A Load Regulation 1.0 0.5 V =5V IN 0.0 V =3.3V IN -0.5 -1.0 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 OUTPUT CURRENT (mA) PFM Operation No Load V /AC OUT 50mV/div 10V/div. I INDUCTOR 500mA/div. 200us/div Transient Response ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH TYPICAL PERFORMANCE CURVES (continued 3.3V 18V +25ºC, unless otherwise noted. IN OUT A V OUT 5V/div 10V/div. I INDUCTOR 1A/div. 1ms/div MP3212 Rev. 0.9 3/21/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH BLOCK DIAGRAM 3 VDD 1Meg SHDN DISCONNECT /INRUSH CURRENT 8 CONTROL ERROR VREF AMPLIFIER (1.23V) AGND 7 MP3212 Rev. 0.9 3/21/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. 2 VDDOUT PFM THERMAL SHUTDOWN OPERATION ...
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... Vout is charged up close to Vin minus a diode drop. However, if Vout is still not charged up after timeout, MP3212 will stay in this mode. After 2ms timeout, if Vout is charged up close to Vin minus a diode drop, then the VDDOUT switch will be fully turned on and connect the inductor to VDD ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH Maximum Duty Cycle The maximum duty cycle Dmax will determine the maximum output voltage that the MP3212 can provide. The maximum duty cycle is defined by the minimum off time of the switch. DMAX = 1 – tOFF*Fosc ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH APPLICATION INFORMATION Components referenced below apply to Typical Application Circuit on page 1. Setting the Output Voltage Set the output voltage by selecting the resistive voltage divider ratio. Use 10kΩ for the low-side resistor R2 of the voltage divider. Determine the ...
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... Also make sure that the inductor does not saturate under the worst-case load MP3212 Rev. 0.9 3/21/2008 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP3212–PRODUCT DESCRIPTION IN A PINCOUNT PACKAGE TYPE www.MonolithicPower.com © 2011 MPS. All Rights Reserved. 11 ...
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... I be kept close to the FB pin to prevent noise IN ( MAX ) injection on the FB pin trace. The ground return of the input and output capacitors should be tied close to the GND pin. See the MP3212 demo board layout for reference www.MonolithicPower.com © 2011 MPS. All Rights Reserved. 12 ...
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... MP3212–1.3A, 1MHz, STEP-UP REGULATOR WITH INTEGRATED INPUT DISCONNECT SWITHCH PACKAGE INFORMATION 2.90 3.10 PIN 1 ID MARKING PIN 1 ID INDEX AREA TOP VIEW 0.20 REF SIDE VIEW 2.90 0.70 1.70 0.25 0.50 RECOMMENDED LAND PATTERN NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application ...