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MIC24051 Datasheet PDF

Micrel Semiconductor
Part Number MIC24051
Manufacturer Micrel Semiconductor
Title 6A High-Efficiency Buck Regulator
Description Features The Micrel MIC24051 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The M...
Features The Micrel MIC24051 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24051 operates over an input supply range of 4.5V to 19V and provides a regulated output of up to 6A of output current. The output voltage is adjustable down to 0...

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MIC24045 : The MIC24045 is an I2C-programmable, high-efficiency, wide input range, 5A synchronous step-down regulator. The MIC24045 is perfectly suited for multiple voltage rail application environments, typically found in computing and telecommunication systems. In the MIC24045 various parameters can be programmed via I2C, such as output voltage, switching frequency, soft-start slope, margining, current limit values and start-up delays. The wide switching frequency adjustment range, valley current-mode control technique, high-performance error amplifier and external compensation allow for the best trade-offs between high efficiency and the smallest possible solution size. The MIC24045 supports extensi.

MIC24046 : The MIC24046 is a pin-programmable, high–efficiency, wide input range, 5A synchronous step-down regulator. The MIC24046 is perfectly suited for multiple-voltage rail application environments typically found in computing and telecommunication systems. It can be programmed by pin strapping various parameters, such as output voltage, switching frequency, and current-limit values. The pinselectable switching frequency, valley-current mode control technique, high–performance error amplifier, and external compensation allow for the best trade-offs between high efficiency and the smallest possible solution size. The MIC24046 is available in a thermally–efficient, spacesaving, 20–pin 3mm × 3mm QFN p.

MIC24051 : The MIC24051 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24051 operates over a.

MIC24052 : The MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring a unique adaptive on-time control archite.

MIC24052 : Features The Micrel MIC24052 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive ontime control architecture. The MIC24052 operates over a supply range of 4.5V to 19V. It has an internal linear regulator which provides a regulated 5V to power the internal control circuitry. The MIC24052 operates at a constant 600kHz switching frequency in continuousconduction mode and can be used to provide up to 6A of output current. The output voltage is adjustable down to 0.8V. Micrel’s HyperLight Load® architecture provides the same high-efficiency and ultra-fast transient response as the Hyper Speed Control architecture under medium to heavy loads, but also maintains high eff.

MIC24053 : The MIC24053 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24053 operates over an input su.

MIC24053 : The Micrel MIC24053 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24053 operates over an input supply range of 4.5V to 19V and provides a regulated output of up to 9A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 600kHz. Micrel’s Hyper Speed Control architecture allows for ultrafast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient respon.

MIC24054 : Features The Micrel MIC24054 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive ontime control architecture. The MIC24054 operates over a supply range of 4.5V to 19V. It has an internal linear regulator which provides a regulated 5V to power the internal control circuitry. The MIC24054 operates at a constant 600kHz switching frequency in continuous conduction mode and can be used to provide up to 9A of output current. The output voltage is adjustable down to 0.8V. Micrel’s Hyper Light Load® architecture provides the same high-efficiency and ultra-fast transient response as the Hyper Speed Control architecture under medium to heavy loads, but also maintains high e.

MIC24055 : Features The Micrel MIC24055 is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC24055 operates over an input supply range of 4.5V to 19V and provides a regulated output of up to 12A of output current. The output voltage is adjustable down to 0.8V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 600kHz. • Hyper Speed Control architecture enables - High delta V operation (VIN = 19V and VOUT = 0.8V) - Small output capacitance • Input voltage range: 4.5V to 19V • Output current up to 12A • Up to 95% efficiency • Adjustable output from 0.8V to 5.5V Micrel’s Hyper Speed Control architecture.

MIC24056 : Features The Micrel MIC24056 is a constant-frequency, synchronous DC/DC buck regulator featuring adaptive ontime control architecture. The MIC24056 operates over a supply range of 4.5V to 19V. It has an internal linear regulator which provides a regulated 5V to power the internal control circuitry. MIC24056 operates at a constant 600kHz switching frequency in continuous-conduction mode and can be used to provide up to 12A of output current. The output voltage is adjustable down to 0.8V. Micrel’s HyperLight Load® architecture provides the same high efficiency and ultra-fast transient response as the Hyper Speed Control architecture under medium to heavy loads, but also maintains high effic.

MIC24066 : The MIC24066/7 is a family of commercial 36V synchronous switching regulators delivering 6A of load current. The MIC24066/7 are wide input range (4.5V-36V) integrated FET switching regulator which supports 6A load. These devices have an enhanced high voltage COT controller co-packaged with a pair of N-Channel FETS with improved avalanche rating. The output voltage is adjustable down to 0.6V with ±1% accuracy. The Hyper Speed Control® proprietary architecture allows for ultra-fast transient response while reducing the output capacitance. These devices feature programmable switching frequency from 270 kHz to 800 kHz. The operating mode under light load conditions can be selected between HyperL.

MIC24067 : The MIC24066/7 is a family of commercial 36V synchronous switching regulators delivering 6A of load current. The MIC24066/7 are wide input range (4.5V-36V) integrated FET switching regulator which supports 6A load. These devices have an enhanced high voltage COT controller co-packaged with a pair of N-Channel FETS with improved avalanche rating. The output voltage is adjustable down to 0.6V with ±1% accuracy. The Hyper Speed Control® proprietary architecture allows for ultra-fast transient response while reducing the output capacitance. These devices feature programmable switching frequency from 270 kHz to 800 kHz. The operating mode under light load conditions can be selected between HyperL.

MIC24085 : Micrel’s MIC24085 is a constant-frequency, current-mode PWM buck regulator with integrated switchers. The MIC24085 is targeted for cost-sensitive and highperformance applications. The MIC24085 operates over a supply range of 4.5V to 18V at a fixed 1MHz switching frequency and can be used to provide up to 3A of output current. The output voltage is adjustable down to 0.9V. The MIC24085 provides the features of low standby current at 10µA, device enable, input undervoltage lockout, and output voltage monitoring. The part also provides fault protections of overcurrent and overtemperature. The MIC24085 is available in a 16-pin 3mm × 3mm QFN package with a junction operating range from –40°C to +.

MIC24420 : Features The MIC24420/MIC24421 are synchronous PWM dual output step down converters with internal 2.5A high-side switches. The MIC24420/MIC24421 has an integrated lowside gate driver for synchronous step-down conversion by connecting an external N-channel MOSFET to achieve high efficiencies in low duty-cycle applications. The MIC24420 switching frequency is 1MHz and the MIC24421 switching frequency is 500kHz. A patented control scheme allows the use of a wide range of output capacitance from small ceramic capacitors to large electrolytic types with only one compensation component. A 2% output voltage tolerance over the temperature range allows the maximum level of system performance. The M.




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