MP2307DN Monolithic Power Systems, MP2307DN Datasheet
MP2307DN
Available stocks
Related parts for MP2307DN
MP2307DN Summary of contents
Page 1
The Future of Analog IC Technology DESCRIPTION The MP2307 is a monolithic synchronous buck regulator. The device integrates MOSFETS that provide 3A of continuous load current over a wide operating input voltage of 4.75V to 23V. Current mode control provides ...
Page 2
... EXPOSED PAD MP2307_PD01_SOIC8N ON BACKSIDE Part Number* Package SOIC8N MP2307DN (Exposed Pad) * For Tape & Reel, add suffix –Z (eg. MP2307DN–Z) For Lead Free, add suffix –LF (eg. MP2307DN–LF–Z) ELECTRICAL CHARACTERISTICS V = 12V +25°C, unless otherwise noted Parameter Shutdown Supply Current ...
Page 3
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER ELECTRICAL CHARACTERISTICS V = 12V +25°C, unless otherwise noted Parameter EN Lockout Threshold Voltage EN Lockout Hysterisis Input Under Voltage Lockout Threshold Input Under Voltage Lockout ...
Page 4
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER TYPICAL PERFORMANCE CHARACTERISTICS 10µ 22µF, L= 10µH, C Steady State Test Waveforms V = 12V 3.3V ...
Page 5
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER PIN FUNCTIONS Pin # Name Description High-Side Gate Drive Boost Input. BS supplies the drive for the high-side N-Channel MOSFET 1 BS switch. Connect a 0.01µF or greater capacitor from ...
Page 6
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER OPERATION FUNCTIONAL DESCRIPTION The MP2307 regulates input voltages from 4.75V to 23V down to an output voltage as low as 0.925V, and supplies load current. The ...
Page 7
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER APPLICATIONS INFORMATION COMPONENT SELECTION Setting the Output Voltage The output voltage is set using a resistive voltage divider connected from the output voltage to FB. The voltage divider divides the ...
Page 8
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER Since the input capacitor (C1) absorbs the input switching current, it requires an adequate ripple current rating. The RMS current in the input capacitor can be estimated by: V ⎛ ...
Page 9
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER The system has one zero of importance, due to the compensation capacitor (C3) and the compensation resistor (R3). This zero is located at π × ...
Page 10
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER TYPICAL APPLICATION CIRCUIT INPUT 4.75V to 23V Figure 3—MP2307 with 3.3V Output, 22uF/6.3V Ceramic Output Capacitor MP2307 Rev. 1.7 3/14/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. C5 10nF ...
Page 11
TM MP2307 – 3A, 23V, 340KHz SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER PACKAGE INFORMATION NOTE 2 0.013(0.330) 0.020(0.508) 0.050(1.270)BSC NOTE 3 0.189(4.800) 0.197(5.000) 0.053(1.350) 0.068(1.730) NOTE: 1) Control dimension is in inches. Dimension in bracket is millimeters. 2) Exposed Pad Option (N-Package) ...