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The SKY87000-13-001 dynamically controls the operating voltage of a multi-mode WCDMA or GSM/EDGE Power Amplifier (PA) solution. The SKY87000-13 outputs a voltage between 0.40 V and 4.25 V, giving optimum efficiency for all operating states.

The output voltage of the device is controlled by an analog signal from the baseband processor. The SKY87000-13-001 can support up to 2 A of total load current with step-down and bypass regulators. The 2 MHz switching frequency is optimized for a typical 2.2 μH inductor and reduced output capacitance.

To further improve system performance, an 85 mΩ bypass linear regulator is included that allows the PA to be powered directly from the battery. The bypass regulator output voltage is offset from the step-down regulator, which improves extreme load transient and dynamic output transition performance.

The SKY87000-13-001 is available in a 9-bump Wafer Level Chip Scale Package (WLCSP) with 0.5 mm pin pitch.

Features Of SKY87000-13-001

• Input voltage range: 2.7 to 5.5 V

• Dynamic output voltage: 0.4 V to 4.25 V

− 0.16 V to 1.7 V reference input range

− 2.5 times the reference input voltage to regulator output gain

• Internally compensated current/mode architecture:

− 2 MHz switching frequency

− 2.2 μH chip inductor

− Two 4.7 μF output capacitors

− Wide duty cycle range (100% duty cycle operation)

• Integrated 85 mΩ (typical) bypass regulator

• Less than 10 μs response for 1 V output step

• Up to 2 A typical output current

• Small 9-bump WLCSP package (MSL1, 260 °C per JEDEC J-STD-020) package

Applications Of SKY87000-13-001

• Multi-mode RF PAs

• Smartphones, mobile phones, cellular phones

• Wireless USB data cards

• Portable media devices

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.