Step-Up DC-DC Converter and Controller
Step-Up DC-DC Converter | ||||||
Part No. | Features | VIN(Range)(V) | η(%) | IO(mA) | IQ(uA) | Package |
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1V High Efficiency Synchronous Step-Up Converters | 0.6V~5.5V | Up to 92% | 1000mA | 18uA | TSSOP-8 | |
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165KHz VFM Step-Up DC-DC Converters | 0.8V ~ 5.5V | Up to 85% | Up to 100mA | 18uA | SOT-89 | |
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| * 0.8V Start-Up Voltage |
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| * Output Voltage Accuracy ±2% |
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| * Low Ripple and Low Noise |
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| * High Efficiency Up to 85% |
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| * Low Profile and Minimum External Components |
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* Output Voltage Range: 2.0V~7.0V in 0.1V Increments | 10V | Up to 80% | Up to 400mA | 8uA | SOT-25 SOT-89 | |
| * Operating (Start-up) Voltage Range: 0.9V~10V |
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| * Highly Accurate: Set-up Voltage ±2.5% |
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| * Maximum Oscillator Frequency (Max Fosc1): 180kHz (±15%) |
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| * Variable Duty Ratio: 45%/75% (±5%) |
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| * Both Switching Transistor Built-in and External Types are Available |
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| * 5-Lead Package Offer Chip Enable or Independent VOUT Pin Option. |
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PWM/PFM Controlled,Step-Up DC-DC Converters and controller | 0.9V~10.0V | 85%(Typ) | Up to 100mA | 5uA | SOT-25 SOT-89 SOT-89-5 | |
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High Efficiency Synchronous Step-Up DC-DC Converters | 1.1V~5.5V | Up to 92% | Up to 300mA | 20uA | MSOP-8 | |
| (Vout=1.8V~5.5V) |
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MICROPOWER DC/DC CONVERTERS WITH LOW-BATTERY DETECTOR ACTIVE IN SHUTDOWN | 1.5V~6.5V | – | – | – | DIP-8 SOP-8 | |
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DC-DC Converters with Low-Battery Detector Active in Shutdown | 1.5V ~ 8.0V | Up to 85% | 1000mA | 120uA | SOP-8 DIP-8 | |
| *In shutdown mode:10μA quiescent current. |
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| *Low battery detector active |
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| *Only by one resistor: peak current is programmable. |
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500mA PFM Synchronous Step-Up DC-DC Converters and Controller | 1.6V~4.5V | 95%(Typ) | Up to 500mA | 80uA | TSSOP-8 | |
| * Low power PFM step-up DC/DC |
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| * internal synchronous rectifier |
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| * Low battery detection |
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| * Current limited protection |
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| * Current Anti-Drawback protection |
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450KHz ADVANCED PWM STEP-UP DC-DC CONVERTER | 2.0V~6.5V | Up to 90% | Up to 300mA | 17uA | SOT-26 | |
| * Low Start-up Input Voltage is as Low as 1.0V |
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| * Efficiency up to 90% |
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| * Zero Shutdown Mode Supply Current |
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| * Both Internal and External Power Switches for Maximum Flexibility |
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150KHz Max VFM Step-Up DC-DC Converters (VO=2.5V~5V) | 0.7V~7.0V | 88%(Typ) | Up to 150mA | 18uA | SOT-25 SOT-23 SOT-89 | |
| * 0.8V start-up voltage |
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| * 0.5V hold-on voltage |
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| * Low supply current of 18μA |
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| * High efficiency up to 88% |
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| * Low profile and minimum external components |
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100kHz, 1.25A High Efficiency Switching Regulators | 3.0V~60.0V | 80%(Typ) | 1.25A | 6mA | DIP-8 SOP-8 | |
| * Very Few External Parts Required |
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| * Self-Protected Against Overloads |
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| * Operates in Nearly All Switching Topologies |
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| * Flyback-Regulated Mode Has Fully Floating Outputs |
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| * Can Be Externally Synchronized |
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1.2MHz, 1.2A HIGH VOLTAGE,BOOST CONVERTER | 2.5V~5.5V | – | 1.2A | 250uA | SOT-25 | |
| * 2.5V~5.5V operating input voltage range |
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| * 1.2MHz Fixed Switching Frequency |
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| * Adjustable output voltage range up to 28V |
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| * Internal 1.2A switching current limit |
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| * Internal Soft-start Function |
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| * Current limit and Thermal shutdown protection |
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| * Under voltage Lockout |
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1MHz, 1.4A BOOST FOR WHITE LED DRIVER | 2.5V~5.5V | – | 1.4A | 400uA | SOT-26 | |
| * Drives up to 8 series White LEDs |
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| * Wide range for PWM dimming (200Hz~200KHz) |
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| * Over Voltage Protection (OVP) |
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| * Internal Soft-start Function |
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| * Current limit and Thermal shutdown protection |
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| * Under voltage Lockout |
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Black: Under De |
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Step-Up PWM DC-DC Controller |
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Part No. | Features | VIN(Range)(V) | η(%) | IO(mA) | IQ(uA) | Package |
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PWM/PFM Step -Up Switching Regulator Controller(VO=1.8V~5.0V) | 0.9V~10.0V | 86% | 80mA | 0.5uA | SOT-25 | |
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| * 0.5uA Low Shutdown Current |
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| * Fix Frequency PWM at 300KHZ |
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| * Built in PWM Switching Control Circuit ,Duty Ratio is 0~78% |
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| * Soft Start Time: 3ms |
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| * Shutdown Function |
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300KHz PWM Step-Up DC-DC Controller(VO=3.3V~5.0V) | 0.9V~8.0V | 88% | 150mA | <200uA | SOT-25 | |
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| * Output Voltage Range:1.8~6V Programmable in 0.1V with high accuracy ± 2.5% |
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| * High Efficiency 88% (Typ.) |
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| * Low Start-up Voltage of 0.9V Typical at IOUT = 1.0mA |
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| * Chip Enable Pin with Pull-up Current Source |
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PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START | 2.6V~5.5V | 90% | 1600mA | 1200uA | MSOP-8 SOP-8 | |
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| * 1.6A, 0.23Ω, internal switch |
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| * High efficiency: 90% |
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| * Adjustable frequency: 640kHz or 1.3MHz |
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| * Low shutdown current: 0.1μA |
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| * Programmable soft-start |
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Black: Under De |
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DC-DC Converter(Step-Down /Step-Up) |
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Part No. | Features | VIN(Range)(V) | η(%) | ICC | ISW(A) | Package |
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* MAX. 40V Input | 0V~40.0V | – | 7.0mA | 1.5A | SOP-8 | |
| * MAX. load to 1.5A |
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| * Output Voltage Adjustable |
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| * Frequency Operation of 150kHz |
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| * Precision 1.5% Reference | – |
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High-Efficiency DC-DC Converter | 3.0V~30.0V | 90% | 1.6mA | 1.5A | DIP-8 SOP-8 | |
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| * Bootstrapped driver. |
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| * High side current sense capability. |
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| * High efficiency (up to 90%) |
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| * Internal ±2% reference. |
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| * Frequency operation from 100Hz to 100KHz | 1000/625mW |
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Variable Frequency DC-DC Converter Controller IC | 3.0V~40.0V | 88% | 2.7mA | 1.5A | DIP-8 SOP-8 TSSOP-8 | |
| for Step-Up or Step-Down Voltage Converter |
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| * Short circuit current limiting. |
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| * Low standby current. |
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| * Frequency of operation from 100Hz to 100kHz. |
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| * Step-up, step-down or inverting switch regulators. | 1250/625mW/300mW |
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DC TO DC CONVERTER CONTROLLER | 3.0V~40V | – | 2.7mA | 1.5A | DIP-8 SOP-8 | |
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| * Short Circuit Current Limiting. |
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| * Low Standby Current. |
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| * Frequency of Operation from 100Hz to 100kHz. |
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| * Step-up, Step-down or Inverting Switch Regulators. |
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5A DC-DC Converter with Standby Mode | 7.5V~40.0V | 80% | 40mA Op | 5.0A | TO-252-5 TO-263-5 TO-220-5 | |
| Step-Up or Step-Down or Inverse |
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| 36uA stby |
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