600mA Synchronous Step-Down DC/DC Converter + Dual LDO Regulator
The XCM520 series is a multi chip module which comprises of a 600mA driver transistor built-in synchronous step down DC/DC converter and a dual CMOS LDO regulator. The device is housed in small USP-12B01 package which is ideally suited for space conscious applications.
The XCM520 can replace this dual DC/DC to eliminate one inductor and reduce output noise.
The DC/DC converter with a built-in 0.42ΩP-channel MOS and a 0.52ΩN-channel MOS provides a high efficiency, stable power supply up to 600mA to using only a coil and two ceramic capacitors connected externally.
The highly accurate, low noise, dual CMOS LDO regulator includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensation circuits internally. The series is also fully compatible with low ESR ceramic capacitors.
This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response performance and high PSRR achieved across a broad range of frequencies. The EN function allows the output of each regulator to be turned off independently, resulting in greatly reduced power consumption.
Feature
DC/DC Converter Block | |
P-channel MOS Built-in | 0.42Ω |
N-channel MOS Built-in | 0.52Ω |
Input Voltage Range | 2.7V~6.0V |
Output Voltage | 2.3V(VOUT3) |
High Efficiency | 86%(TYP.) |
Output Current | 600mA |
Oscillation Frequency | 3.0MHz(±15%) |
Soft-Start | Built-In Soft-Start |
Protection Circuits | Current Limiter Circuit Built-In,(Constant Current & Latching) |
Control | Fixed PWM, Auto PWM/PFM |
Dual LDO Regulator Block | |
MaximumOutput Current | 150mA(300mA limitTYP.) |
Dropout Voltage | 100mV@100mA |
Operating Voltage Range | 1.5V~6.0V |
Output Voltage Range | 1.8(VOUT1),1.2V(VOUT2) |
High Accuracy | ±2%(VOUT1),±30mV(VOUT2) |
Low Quiescent Current | 25μA(TYP.) |
Stand-by Current | Lsee than 0.1μA(TYP.) |
High Ripple Rejection: | 70dB@1kHz |
Noise | Low Output Noise |
Operating Ambient Temperature | -40℃~+85℃ |
Low ESR Capacitor | Low ESR Ceramic |
Typical Application Circuit
Packages
Package | Number of Pins | Pcs/Reel | Package Size(mm) |
---|---|---|---|
USP-12B01 | 12 | 3,000 | 2.3 x 2.8 x 0.6 |
XCM520 Series Part Numbers
Part number | Sample | Options | Output Voltage combination | Packages | EDA | Online Store |
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XCM520AA01DR-G |
XC6401FF**+XC9235A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AA02DR-G |
XC6401FF**+XC9235A**D | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AA03DR-G |
XC6401FF**+XC9235A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AA04DR-G |
XC6401FF**+XC9235A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AA05DR-G |
XC6401FF**+XC9235A**D | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AA06DR-G |
XC6401FF**+XC9235A**D | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AB01DR-G |
XC6401FF**+XC9235A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AB02DR-G |
XC6401FF**+XC9235A**C | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AB03DR-G |
XC6401FF**+XC9235A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AB04DR-G |
XC6401FF**+XC9235A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AB05DR-G |
XC6401FF**+XC9235A**C | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AB06DR-G |
XC6401FF**+XC9235A**C | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AC01DR-G |
XC6401FF**+XC9236A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AC02DR-G |
XC6401FF**+XC9236A**D | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AC03DR-G |
XC6401FF**+XC9236A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AC04DR-G |
XC6401FF**+XC9236A**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AC05DR-G |
XC6401FF**+XC9236A**D | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AC06DR-G |
XC6401FF**+XC9236A**D | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AD01DR-G |
XC6401FF**+XC9236A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AD02DR-G |
XC6401FF**+XC9236A**C | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AD03DR-G |
XC6401FF**+XC9236A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AD04DR-G |
XC6401FF**+XC9236A**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AD05DR-G |
XC6401FF**+XC9236A**C | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AD06DR-G |
XC6401FF**+XC9236A**C | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AE01DR-G |
XC6401FF**+XC9235B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AE02DR-G |
XC6401FF**+XC9235B**D | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AE03DR-G |
XC6401FF**+XC9235B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AE04DR-G |
XC6401FF**+XC9235B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AE05DR-G |
XC6401FF**+XC9235B**D | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AE06DR-G |
XC6401FF**+XC9235B**D | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AF01DR-G |
XC6401FF**+XC9235B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AF02DR-G |
XC6401FF**+XC9235B**C | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AF03DR-G |
XC6401FF**+XC9235B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AF04DR-G |
XC6401FF**+XC9235B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AF05DR-G |
XC6401FF**+XC9235B**C | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AF06DR-G |
XC6401FF**+XC9235B**C | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AG01DR-G |
XC6401FF**+XC9236B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AG02DR-G |
XC6401FF**+XC9236B**D | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AG03DR-G |
XC6401FF**+XC9236B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AG04DR-G |
XC6401FF**+XC9236B**D | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AG05DR-G |
XC6401FF**+XC9236B**D | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AG06DR-G |
XC6401FF**+XC9236B**D | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 | |||
XCM520AH01DR-G |
XC6401FF**+XC9236B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.3V | USP-12B01 | |||
XCM520AH02DR-G |
XC6401FF**+XC9236B**C | VOUT1=1.8V,VOUT2=1.3V,VOUT3=2.3V | USP-12B01 | |||
XCM520AH03DR-G |
XC6401FF**+XC9236B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.2V | USP-12B01 | |||
XCM520AH04DR-G |
XC6401FF**+XC9236B**C | VOUT1=1.8V,VOUT2=1.2V,VOUT3=2.8V | USP-12B01 | |||
XCM520AH05DR-G |
XC6401FF**+XC9236B**C | VOUT1=1.0V,VOUT2=1.2V,VOUT3=1.8V | USP-12B01 | |||
XCM520AH06DR-G |
XC6401FF**+XC9236B**C | VOUT1=0.8V,VOUT2=1.5V,VOUT3=1.8V | USP-12B01 |
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