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ISL6522CB SO-14 Buck and Synch Rectifier PWM Controller

Art nr: 40356522
Handla denna produkt ISL6522CB SO-14 Buck and Synch Rectifier PWM Controller
pris 58.75 SEK
Inklusive 25% moms

Mängdrabatt:
1st = 58:7510st = 528:5025st = 1101:25

Mängdrabatt
AntalPris
1 till 9
58.75 SEK
10 till 24
52.85 SEK
25 till
44.05 SEK
Lagervara, 21 st
Enhet: styck

12 000 produkter

Snabb leverans

Frakt från 29 kr

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Produktbeskrivning

ÖppnaStäng

Produktbeskrivning

Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller

The ISL6522 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive two N-Channel MOSFETs in a synchronous rectified buck topology. The ISL6522 integrates all of the control, output adjustment, monitoring and protection functions into a single package. The output voltage of the converter can be precisely regulated to as low as 0.8V, with a maximum tolerance of +/-1% over temperature and line voltage variations. The ISL6522 provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 200kHz free-running triangle-wave oscillator that is adjustable from below 50kHz to over 1MHz. The error amplifier features a 15MHz gain-bandwidth product and 6V/us slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0-100%. The ISL6522 protects against overcurrent conditions by inhibiting PWM operation. The ISL6522 monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor.


Features

* Drives two N-Channel MOSFETs
* Operates from +5V or +12V input
* Simple single-loop control design
- Voltage-mode PWM control
* Fast transient response
- High-bandwidth error amplifier
- Full 0-100% duty ratio
* Excellent output voltage regulation
- 0.8V internal reference
- +/-1% over line voltage and temperature
* Overcurrent fault monitor
- Does not require extra current sensing element
- Uses MOSFETs rDS(ON)
* Converter can source and sink current
* Small converter size
- Constant frequency operation
- 200kHz free-running oscillator programmable from 50kHz to over 1MHz


Applications

* High-power 5V to 3.xV DC-DC regulators
* Low-voltage distributed power supplies

Produktinformation

  • SKU:

    40356522

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