LQH4C100K04 MPS [Monolithic Power Systems], LQH4C100K04 Datasheet
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LQH4C100K04
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LQH4C100K04 Summary of contents
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The Future of Analog IC Technology DESCRIPTION The MP2101 is an internally compensated 1.6MHz fixed-frequency PWM switcher with a 200mA low dropout (LDO) linear regulator ideal for portable equipment powered by a single cell Lithium-Ion (Li+) Battery. The ...
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TM PACKAGE REFERENCE TOP VIEW FB1 1 10 EN1 2 9 IN1 3 8 SW1 4 7 GND 5 6 EXPOSED PAD ON BACKSIDE Part Number* Package QFN10 MP2101DQ (3mm x 3mm) * For Tape & Reel, add suffix –Z ...
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TM ELECTRICAL CHARACTERISTICS 3.6V +25°C, unless otherwise noted. IN1/2 EN1/2 A Parameters SW1 PFET On Resistance SW1 NFET On Resistance SW1 Leakage Current SW1 PFET Peak Current Limit Oscillator Frequency Linear Regulator LDO IN2 ...
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TM TYPICAL PERFORMANCE CHARACTERISTICS V = 3.6V 1.8V OUT1 OUT2 T = +25°C, unless otherwise noted. A Efficiency vs Load Current =3. =4. =5.0V IN ...
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TM TYPICAL PERFORMANCE CHARACTERISTICS V = 3.6V 1.8V OUT1 OUT2 T = +25°C, unless otherwise noted. A Output Voltage vs Load Current V = 1.5V OUT2 1.56 1.54 1.52 V =3.3V IN 1.50 LDO 1.48 0 ...
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TM TYPICAL PERFORMANCE CHARACTERISTICS V = 3.6V 1.8V OUT1 OUT2 T = +25°C, unless otherwise noted. A Input Ramp 4V 0.3A, OUT1 I = 0.1A Resistive Load OUT2 V IN 2V/div. ...
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TM OPERATION The MP2101 is a fixed-frequency 1.6MHz, 800mA current mode PWM step-down switcher with a 200mA low dropout (LDO) linear regulator. The MP2101 is optimized for low voltage, Li-Ion battery powered applications where high efficiency and small size are ...
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TM 800mA Step-Down Switcher The switcher integrates both a main switch and a synchronous rectifier, which provides high efficiency and eliminates the need for an external Schottky diode. This switcher can achieve 100% duty cycle. The duty cycle (D) of ...
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... Sumida CDRH3D16 Table 3—Inductors for Improved Efficiency at 25mA, 50mA, under 100mA Load. Manufacturer Part Number Coilcraft DO1605T-103MX Murata LQH4C100K04 Sumida CR32-100 Sumida CR54-100 MP2101 Rev. 1.0 8/18/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP2101 – 1.6MHz SYNCHRONOUS STEP-DOWN PLUS 200mA LDO Inductor Selection A 1µ ...
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TM Switcher Input Capacitor Selection The input capacitor (C ) reduces the surge IN1 current drawn from the input and switching noise from the device. The input capacitor impedance at the switching frequency should be less than the input source ...
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TM TYPICAL APPLICATION CIRCUIT OPTIONAL IN3 IN3 OUT1 1.8V @ 800mA Figure 2—Optional RC Delay on EN1 and EN2 Circuit MP2101 Rev. 1.0 8/18/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP2101 ...
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TM PACKAGE INFORMATION 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. MPS will not ...