MP2364DF-LF-Z Monolithic Power Systems, MP2364DF-LF-Z Datasheet
MP2364DF-LF-Z
Specifications of MP2364DF-LF-Z
Available stocks
Related parts for MP2364DF-LF-Z
MP2364DF-LF-Z Summary of contents
Page 1
... Distributed Power Systems • I/O and Core supplies • DSL Modems • Set top boxes • Cable Modems “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. 10uF 10kΩ 20 OFF ON ENA 19 COMPA 82pF 18 10kΩ ...
Page 2
... Part Number* Package MP2364DF TSSOP20F * For Tape & Reel, add suffix –Z (eg. MP2364DF–Z) For Lead Free, add suffix –LF (eg. MP2364DF–LF–Z) MP2364 Rev. 1.6 1/22/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP2364 — DUAL 1.5A, 23V, 1.4MHz STEP-DOWN CONVERTER ...
Page 3
ELECTRICAL CHARACTERISTICS V = 12V +25°C, unless otherwise noted Parameter Symbol Condition Feedback Voltage V Upper Switch-On Resistance R DS(ON)1 Lower Switch-On Resistance R DS(ON)2 Upper Switch Leakage (4) Current Limit Current Limit Gain Output Current ...
Page 4
PIN FUNCTIONS Pin # Name Description Soft-Start Control for Channel A. 9kΩ output resistance from the pin. Set RC time constant 1 SSA with external capacitor for soft start ramp time. Ramp Time = 2.2 x 9kΩ ...
Page 5
OPERATION The MP2364 is a dual channel current mode regulator. The COMP pin voltage is proportional to the peak inductor current. At the beginning of a cycle, the upper transistor M1 is off, and the lower transistor ...
Page 6
APPLICATION INFORMATION COMPONENT SELECTION The MP2364 has two channels: A and B. The following formulas are used for component selection of both channels. Refer to components with reference “A” for channel A, and components with reference “B” for channel B, ...
Page 7
For simplification, choose the input capacitor whose RMS current rating greater than half of the maximum load current. The input capacitor can be electrolytic, tantalum or ceramic. When using electrolytic or tantalum capacitors, a small, high quality ceramic capacitor, i.e. ...
Page 8
In this case (as shown in Figure 2), a third pole set by the compensation capacitor (C6) and the compensation resistor (R3) compensate the effect of the ESR zero on the loop gain. This pole is located at ...
Page 9
PCB Layout Guide PCB layout is very important to achieve stable operation. Please follow these guidelines and take Figure3 for references. 1) Keep the path of switching current short and minimize the loop area formed by Input cap, high-side MOSFET ...
Page 10
TYPICAL APPLICATION CIRCUITS 12V C1A 10µ F 25V TDK CERAMIC 3.3V @ 1.5A R1A 25.5kΩ 1% C4A 0.47µ F L1A 5µ H SUMIDA CDRH6D28 C2A D1A 22µ F B230A 6.3V OFF ON Figure 4—2.5V @ 1.5A and 3.3V @ 1.5A ...
Page 11
PACKAGE INFORMATION 0.0256(0.650)TYP 0.105 (2.67) 0.118 (3.00) pad width 0.030(0.750) PIN 1 IDENT. 0.150 (3.80) 0.030(0.750) 0.165 (4.19) pad length 0.252 (6.400) 0.260 (6.600) 0.047(1.200) max 0.007(0.190) 0.012(0.300) NOTE: 1) Control dimension is in inches. Dimension in bracket is millimeters. ...