| Part Number | SC4603 |
| Manufacturer | Semtech Corporation |
| Title | High Efficiency Synchronous Buck |
| Description | The SC4603 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from input supply range... |
| Features |
BICMOS voltage mode PWM controller 2.25V to 5.5V Input voltage range Output voltages as low as 0.5V Sleep mode (Icc = 10µA typ) Lossless adjustable overcurrent protection Combination pulse by pulse & hiccup mode current limit High efficiency synchronous switchin... |
| File Size | 360.13KB |
| Datasheet |
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SC4609 : Low Input, MHz Operation, High Efficiency Synchronous Buck POWER MANAGEMENT Description The SC4609 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.7V to 5.5V. A high level of integration reduces external component count, and makes it suitable for low voltage applications where cost, size and efficiency are critical. The SC4609 is capable of producing an output voltage as low as 0.5V. SC4609 Features Asynchronous start up Programmable switching frequency up to 1MHz BiCMOS voltage mode PWM controller 2.7V to 5.5V input voltage range Output voltage as low as 0.5V +/-1% reference accuracy Sleep mode.
SC4608 : Low Input, MHz Operation, High Efficiency Synchronous Buck POWER MANAGEMENT Description The SC4608 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.7V to 5.5V. A high level of integration reduces external component count, and makes it suitable for low voltage applications where cost, size and efficiency are critical. The SC4608 is capable of producing an output voltage as low as 0.5V. It’s frequency of operation is programmable to 1MHz. SC4608 Features Asynchronous start up Programmable switching frequency up to 1MHz BiCMOS voltage mode PWM controller 2.7V to 5.5V input voltage range Output volta.
SC4607 : Very Low Input, MHz Operation, High Efficiency Synchronous Buck POWER MANAGEMENT Description The SC4607 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from an input supply range of 2.25V to 5.5V. The SC4607 is capable of producing an output voltage as low as 0.5V and has a maximum duty cycle of 97%. A high level of integration reduces external component count, and makes it suitable for low voltage applications where cost, size, and efficiency are critical. www.DataSheet4U.com SC4607 Features Asynchronous start up BiCMOS voltage mode PWM controller Operation of frequency to 1MHz 2.25V to 5.5V input vo.
SC4605 : Low Input, High Efficiency Synchronous, Step Down Controller POWER MANAGEMENT Description The SC4605 is a voltage mode step down (buck) regulator controller that provides accurate high efficiency power conversion from a input supply range of 2.8V to 5.5V. A high level of integration reduces external component count, and makes it suitable for low voltage applications where cost, size and efficiency are critical. The SC4605 drives external N-channel MOSFETs with 1A peak current. A non-overlap protection is provided for www.DataSheet4U.com the gate drive signals to prevent shoot through of the MOSFET pair. The voltage drop across the high side MOSFET during its conduction is sensed for lossless.