| Description | The EUP3482 is a synchronous current mode buck regulator capable of driving 2A continuous load current with excellent line and load regulation. The EUP3482 can operate with an input range 4.5V to 30V and the output can be externally set from 0.923V to 20V with a resistor divider. Fault condition pro... |
| Features |
2A Output Current 220ns Minimum On Time 35V Input Surge Protection Integrated 160mΩ/110mΩ DMOS Switches 4.5V to 30V Input Operating Range Output Adjustable from 0.923V to 20V Up to 95% Efficiency 1µA Shutdown Current Fixed 340KHz Frequency Programmable Soft-Start Thermal Shutdown and Overcurrent Protection Input Supply Overvoltage and Undervoltage Lockout Available in SOP-8 Package RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free
APPLICATIONS
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| Datasheet |
 EUP3482 Datasheet - 1.01MB |
| Part Number | Description |
|---|---|
 Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3401 is a high-frequency synchronous step-down dc-dc converter optimized for batterypowered portable applications. Intended for low-power applications, the EUP3401 supports up to 2A load current and allows the use of small, low cost inductors and capacitors. The device is ideal for mobile phones and similar portable applications powered by a single-cell Li-Ion battery. With an output voltage range adjustable via I2C interface from 0.75V to 1.5375V, the device supports low-voltage DSPs and processors core power supplies in smart-phones, PDAs, and handheld computers. The EUP3401 operates at 3-MHz fixed switching frequency. During light load conditions, the regulator includes a PFM mode ... |
Eutech Microelectronics |
2.25MHz Synchronous Step-Down DC/DC Regulator The EUP3402 is synchronous dual step-down DC-DC converters optimized for battery powered portable applications. It provides two independent output voltage rails powered by 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3V or 5V voltage rail. With an input voltage range of 2.7V to 5.5V, the EUP3402 is ideal to power portable applications like smart phones, PDAs and other portable equipment. The EUP3402 operates at 2.25MHz fixed switching frequency allowing the use of small inductors and capacitors to achieve a small solution size. Each output supports up to 1A load current, typical. The internal synchronous switch increases efficiency and... |
Eutech Microelectronics |
600mA Synchronous Step-Down Converter The EUP3406 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the EUP3406 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The EUP3406 supports up to 600mA load current and can also run at 100% duty cycle for low dropout applications, extending battery www.DataSheet4U.com life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductor and capacitors. The internal sync... |
Eutech Microelectronics |
600mA Synchronous Step-Down Converter The EUP3406 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the EUP3406 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The EUP3406 supports up to 600mA load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductor and capacitors. The internal synchronous switch incre... |
Eutech Microelectronics |
800mA Synchronous Step-Down Converter The EUP3408 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.5V to 5.5V input voltage range makes the EUP3408 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The EUP3408 supports up to 800mA load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch incr... |
Eutech Microelectronics |
800mA Synchronous Step-Down Converter The EUP3409 contains two independent 1.5MHz constant frequency, current mode, PWM step-down converters. Each converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The EUP3409 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. Each converter can supply 800mA of load current from a 2.5V to 5.5V input voltage. The output voltage can be regulated as low as 0.6V. The EUP3409 can also run at 100% duty cycle for low dropout applications. FEATURES z z z z z z z z z z z z z Up to 96% Efficiency 1.5MHz Constant Switching Frequency 800mA Load Current on Each Channel 2.5V to 5.5V Input Voltage... |
Eutech Microelectronics |
380KHz Step-Down Converter The EUP3410/3411 is a current mode, step-down switching regulator capable of driving 2A continuous load with excellent line and load regulation. The EUP3410/3411 can operate with an input voltage range from 4.5V to 16V and the output can be externally set from 1.2V to 12V with a resistor divider. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode the regulator draws 25µA of supply current. The EUP3410/3411 requires a minimum number of external components. FEATURES z 30V Input Surge Protection z Up to 2A Output Current z 0.17 Internal DMOS Output Switch z 4.5V to 16V Input Operating Range z Output Adjustable from 1.2V to 12V z Up to 95%... |
Eutech Microelectronics |
380KHz Step-Down Converter The EUP3410/3411 is a current mode, step-down switching regulator capable of driving 2A continuous load with excellent line and load regulation. The EUP3410/3411 can operate with an input voltage range from 4.5V to 16V and the output can be externally set from 1.2V to 12V with a resistor divider. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode the regulator draws 25µA of supply current. The EUP3410/3411 requires a minimum number of external components. FEATURES z 30V Input Surge Protection z Up to 2A Output Current z 0.17 Internal DMOS Output Switch z 4.5V to 16V Input Operating Range z Output Adjustable from 1.2V to 12V z Up to 95%... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3412 is a synchronous current mode step-down dc-dc converter, capable of driving 1.5A load current with excellent line and load regulation. Operating with an input voltage range between 2.7V and 5.5V, the device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. The EUP3412 operates at a fixed switching frequency of 1.5MHz and PWM operation provides very low output ripple voltage for noise sensitive applications. The internal integrated synchronous switch increases efficiency while eliminates the need for an external Schottky diode. The EUP3412 is available in the 10-pin MSOP and 10-pin TDFN package. FEATURES High Efficiency u... |
Eutech Microelectronics |
1A Synchronous Step-Down Converter The EUP3418 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency. The 2.7V to 5.5V input voltage range makes the EUP3418 ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery or 3-cell NiMH/ NiCd batteries. The output voltage can be regulated as low as 0.6V. The EUP3418 supports up to 1A load current and can also run at 100% duty cycle for low dropout applications, extending battery life in portable systems. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. The internal synchronous switch increas... |
Eutech Microelectronics |
1A Synchronous Step-Down Converter The EUP3419 contains two independent 1.5MHz constant frequency, current mode, PWM step-down converters. Each converter integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. The EUP3419 is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. Each converter can supply 1A of load current from a 2.5V to 5.5V input voltage. The output voltage can be regulated as low as 0.6V. The EUP3419 can also run at 100% duty cycle for low dropout applications. 25µA per channel quiescent current at light loads increases efficiency and battery life. FEATURES z z z z z z z z z z z z z 25µA Quiescent Current per Chann... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3420 is a synchronous current mode step-down dc-dc converter, capable of delivering 2A load current with excellent line and load regulation. Operating with an input voltage range between 2.7V and 5.5V, the device is ideal for portable applications powered by a single Li-Ion battery cell or by 3-cell NiMH/NiCd batteries. The EUP3420 operates at 1.5MHz fixed frequency PWM mode and provides very low output ripple voltage for noise sensitive applications. The internal integrated synchronous switch increases efficiency while eliminates the need for an external Schottky diode. The EUP3420 is available in the 10-pin MSOP and 10-pin TDFN package. FEATURES High Efficiency up to 96% Up to 2A L... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3421 is a 1 MHz fixed frequency synchronous, current-mode, step-down dc-dc converter capable of providing up to 2A output current. The EUP3421 operates from an input range of 2.7V to 5.5V and provides a regulated output voltage from 0.8V to 5V. The internal synchronous power switch improves efficiency and eliminates the need for an external Schottky diode. Forced PWM operation provides very low output ripple voltage for noise sensitive applications. The EUP3421 features short circuit and thermal protection circuits to improve system reliability. Externally adjustable soft-start avoids input inrush current during startup. The EUP3421 is available in SOP-8 package. FEATURES 2.7V to 5.5... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3423 is a 1 MHz fixed frequency synchronous, current-mode, step-down dc-dc converter capable of providing up to 3.2A output current. The EUP3423 operates from an input range of 2.7V to 5.5V and provides a regulated output voltage from 0.8V to 5V. The internal synchronous power switch improves efficiency and eliminates the need for an external Schottky diode. Forced PWM operation provides very low output ripple voltage for noise sensitive applications. The EUP3423 features short circuit and thermal protection circuits to improve system reliability. Externally adjustable soft-start avoids input inrush current during startup. The EUP3423 is available in SOP-8 (EP) package. FEATURES 2.7V... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3425 is a 1MHz fixed frequency synchronous, current-mode, step-down dc-dc converter capable of providing up to 5A output current. The EUP3425 operates from an input range of 2.7V to 5.5V and provides a regulated output voltage from 0.8V to 5V. The internal synchronous power switch increases efficiency and eliminates the need for an external Schottky diode. The EUP3425 can be externally set for either forced PWM continuous mode or pulse skipping mode. Forced PWM operation provides very low output ripple voltage for noise sensitive applications while pulse skipping operation improves light load efficiency by reducing switching loss. The EUP3425 features short circuit and thermal protect... |
Eutech Microelectronics |
Synchronous Step-Down Converter The EUP3426 is a 1 MHz fixed frequency synchronous, current-mode, step-down dc-dc converter capable of providing up to 3A output current. The EUP3426 operates from an input range of 2.7V to 5.5V and provides a regulated output voltage from 0.6V to 5V. The internal synchronous power switch improves efficiency and eliminates the need for an external Schottky diode. The EUP3426 can be externally set for either forced PWM continuous mode or pulse skipping mode. Forced PWM operation provides very low output ripple voltage for noise sensitive applications while pulse skipping operation improves light load efficiency by reducing switching loss. The EUP3426 features short circuit and thermal protect... |
 Eutech |
Synchronous Step-Down Converter The EUP3427 is a 1 MHz fixed frequency synchronous, current-mode, step-down dc-dc converter capable of providing up to 4A output current. The EUP3427 operates from an input range of 2.7V to 5.5V and provides a regulated output voltage from 0.6V to 5V. The internal synchronous power switch improves efficiency and eliminates the need for an external Schottky diode. The EUP3427 can be externally set for either forced PWM continuous mode or pulse skipping mode. Forced PWM operation provides very low output ripple voltage for noise sensitive applications while pulse skipping operation improves light load efficiency by reducing switching loss. The EUP3427 features short circuit and thermal protect... |