Products

RF IC

WLAN Switch

WiMAX Switch

RF PA

FEM

Power Management IC

Step-down DC/DC converter

Step-up DC/DC converter

WLED Drivers

LDO

Buck DC/DC Converter

High PSRR Low Dropout Regulator (LDO)
ITEM	Part No.	Type	Package Type (mm)	General Description	Product Features
1	MS3501	Signal Channel	SC70-5, SC82, SO-T25, DFN2x2-6L	The MS3501 is a CMOS-baesed high power supply rejection ration low dropout regulator designed for protable and wireless application. Each MS3510 can supplying 300mA of output current and only 65uA quiescent current.	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Dropout Voltage : 200mV@200mA , 20mV @ 30mA ● Less Than 0.1uA Quisescent Current in shutdown mode
2	MS3502	Signal Channel	SOT-25, SC70	The MS3502 is a CMOS-baesed high power supply rejection ration low dropout regulator designed for protable and wireless application. The MS3502 provide green mode and high speed mode function.	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Low power Consumption :4.5uA in PS mode , 25uA in HS mode ● Less Than 0.1uA Quisescent Current in shutdown mode
3	MS3505	Signal Channel	DFN 1X1 , SC82	The MS3505 provides high speed operation, low power consumption and high efficiencies by automatically switching between a high speed mode (HS) and a power save mode (PS) depending upon the load current level,	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Low power Consumption :4.5uA ● Less Than 0.1uA Quisescent Current in shutdown mode
4	MS3520	Dual Channel	SOT-26	The MS3520 is a CMOS-baesed high power supply rejection ration low dropout regulator designed for protable and wireless application. Each MS3520 can supplying 200mA x 2 of output current and 130uA quiescent current.	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Dropout Voltage : 200mV@200mA , 20mV @ 30mA ● Less Than 0.1uA Quisescent Current in shutdown mode
5	MS3521	Dual Channel	SOT-26	The MS3521 is a CMOS-baesed high power supply rejection ration low dropout regulator designed for protable and wireless application. Each MS3520 can supplying 200mA x 2 of output current and 130uA quiescent current.	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Dropout Voltage : 200mV@200mA , 20mV @ 30mA ● Less Than 0.1uA Quisescent Current in shutdown mode
6	MS3522	Dual Channel	SOT-26	The MS3522 is a CMOS-baesed high power supply rejection ration low dropout regulator designed for protable and wireless application. Each MS3520 can supplying 200mA x 2 of output current and on 130uA quiescent current .	● High Pipple Rejecton Ratio : 70db @ 1KHz ● Fast Line/Load Transient Response ● Dropout Voltage : 200mV@200mA , 20mV @ 30mA ● Less Than 0.1uA Quisescent Current in shutdown mode

Buck DC/DC Converter
ITEM	Part No.	Type	Package Type (mm)	General Description	Product Features
1	MS3406	PFM & PWM	SOT-25	The MS3406 is a high efficiency monolithic synchronous Buck regulator using constant frequency ,current mode architecure. Supply current during operation is only 50uA and drop to <1uA in shutdown and designed for protable and wireless application.	● +2.5V to +5.5V input range and 800mA output current ● No schottky diode required and up to 95% high efficiency ● 1.5Mhz constant frequency operation and PFM/PWM dual mode
2	MS3405	PWM	SOT-25	The MS3405 is a high efficiency monolithic synchronous Buck regulator using constant frequency ,current mode architecure and designed for protable and wireless application.	● +2.5V to +5.5V input range and 800mA output current ● No schottky diode required and up to 95% high efficiency ● 1.5Mhz constant frequency operation and PWM mode
3	MS3409	PWM & Dual Channel	DFN3x3-10L	The MS3405 is a dual channel high efficiency monolithic synchronous Buck regulator using constant frequency, current mode architecure and designed for protable and wireless application.	● +2.5V to +5.5V input range and 800mA x2 output current ● No schottky diode required and up to 95% high efficiency ● 1.5Mhz constant frequency operation and PWM mode
4	MS3410	PWM	DFN2x2-6L, QFN3x3-16L	The MS3410 is a high efficiency monolithic synchronous Buck regulator using constant frequency, current mode architecure and designed for protable and wireless application.	● +2.5V to +5.5V input range and 1A output current ● No schottky diode required and up to 95% high efficiency ● 1Mhz constant frequency operation and PWM mode
5	MS3411	PWM	QFN3x3-16L	The MS3411 is a high efficiency monolithic synchronous Buck regulator using constant frequency, current mode architecure and designed for protable and wireless application.	● +2.5V to +5.5V input range and 2A output current ● No schottky diode required and up to 95% high efficiency ● 1.5Mhz constant frequency operation and PWM mode
6	MS3420	PWM & Dual Channel	DFN3x3-12L	The MS3420 is a dual channeb high efficiency monolithic synchronous Buck regulator using constant frequency, current mode architecure and designed for protable and wireless application.	● +2.5V to +5.5V input range and 1A x 2 output current ● No schottky diode required and up to 95% high efficiency ● 1Mhz constant frequency operation and PWM mode

WLED Driver
ITEM	Part No.	Type	Package Type (mm)	General Description	Product Features
1	MS2210	PWM	SOT-26, DFN2x2-8L	The MS2210 is a 1.3MHz current mode boost converter with a 104mV feedback reference voltage witch offers small sie and high frequency.The MS2210 can driving up to 39 white LEDs from a 5V input .	● +2.5V to +6V input range and internal 1.33A current limit ● No schottky diode required and up to 95% high efficiency ● 1.3Mhz constant frequency operation and PWM mode
2	MS2211	PWM	SOT-25	The MS2210 is a 1MHz current mode boost converter with a 300mV feedback reference voltage witch offers small sie and high frequency.The MS2210 can driving up to 60 white LEDs from a 5V input .	● +2.5V to +6V input range and internal 2A current limit ● No schottky diode required and up to 95% high efficiency ● 1Mhz constant frequency operation and PWM mode