AIC1579 AIC [Analog Intergrations Corporation], AIC1579 Datasheet

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AIC1579

Manufacturer Part Number

AIC1579

Description

Step-Down Switching Regulator Controller

Manufacturer

AIC [Analog Intergrations Corporation]

Datasheet

1.AIC1579.pdf (8 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Bonase Electronics (HK) Co., Limited

Part Number:

AIC1579

Manufacturer:

SAMSUNG

Quantity:

285

Company:

Bonase Electronics (HK) Co., Limited

Bonase Electronics (HK) Co., Limited

Part Number:

AIC1579CS

Manufacturer:

AIC

Quantity:

1 944

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Meier Automation Equipment Co., Limited

Meier Automation Equipment Co., Limited

Part Number:

AIC1579CS

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N/A

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Bonase Electronics (HK) Co., Limited

Part Number:

AIC1579LCS

Manufacturer:

SONY

Quantity:

423

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Download datasheet (315Kb)

Analog Integrations Corporation

DS-1579-01

Operation Voltage up to 15V.

Simple Voltage-Mode PWM Control.

Fast Transient Response.

2V and 1.3V ± 2% Feedback Voltage Reference

Option.

Adjustable Current Limit without External Sense

Resistors.

200KHz Free-Running Oscillator.

Short-Circuit Protection with Low Short Circuit

Output Current.

Power Supply for Motherboard V

Power Supply for Motherboard V

High-Power 5V to 3.xV DC/DC Regulators.

Low-Voltage Distributed Power Supplies.

FEATURES

APPLICATIONS

Nov 9, 00

4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

TEL: 886-3-5772500

Step-Down Switching Regulator Controller

GTL

I/O

.

(1.5V Output)

FAX: 886-3-5772510

DESCRIPTION

The AIC1579 is a high-power, high-efficiency

voltage-mode switching regulator controller for

motherboard V

Designed to drive an N-channel MOSFET in a

standard buck topology, the AIC1579 features a

high voltage CMOS output driver, short-circuit

protection, and 8-pin package.

An external 4-bit Digital-to-Analog Converter

(DAC) can be used along with the AIC1579 to

adjust the output voltage from 2.0V to 3.5V in

0.1V increments. Table 1 on the following page

specifies the corresponding output voltage for

16 combinations of DAC inputs as in the typical

application circuit.

The 200KHz switching frequency allows for

using

maintaining high conversion efficiency. The

11MHz bandwidth and 6V/µS slew rate of the

error

bandwidth and fast transient response.

The AIC1579 provides adjustable overcurrent

and short-circuit protections by sensing the

output current across the on resistance of the

external N-channel MOSFET rather than an

external low value sense resistor.

The AIC1579L provides lower reference voltage

(1.30V) than the default (2.00V, AIC1579) for

lower V

OUT

amplifier

small

requirement.

I/O

external

power supply applications.

ensures

AIC1579/L

components

high

www.analog.com.tw

converter

while

1

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