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參數資料
| 型號： | AIC1579L |
| 廠商： | Analog Integrations Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關穩(wěn)壓9V輸出 |
| 文件頁數： | 1/8頁 |
| 文件大?。?/td> | 315K |
| 代理商： | AIC1579L |
AIC1579/L
Step-Down Switching Regulator Controller
Analog Integrations Corporation
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
www.analog.com.tw
DS-1579-01 Nov 9, 00
TEL: 886-3-5772500
FAX: 886-3-5772510
1
FEATURES
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.
APPLICATIONS
Power Supply for Motherboard V
GTL
(1.5V Output)
Power Supply for Motherboard V
I/O
.
High-Power 5V to 3.xV DC/DC Regulators.
Low-Voltage Distributed Power Supplies.
DESCRIPTION
The AIC1579 is a high-power, high-efficiency
voltage-mode switching regulator controller for
motherboard V
I/O
power supply applications.
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
small
external
maintaining high conversion efficiency. The
11MHz bandwidth and 6V/
μ
S slew rate of the
error
amplifier
ensures
bandwidth and fast transient response.
components
while
high
converter
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
requirement.
相關PDF資料 |
PDF描述 |
|---|---|
| AIC1579LCN | Isolated Flyback Switching Regulator with 9V Output |
| AIC1579LCS | Isolated Flyback Switching Regulator with 9V Output |
| AIC1580 | Simple PWM Power Regulator with Shutdown |
| AIC1580CN | Simple PWM Power Regulator with Shutdown |
| AIC1580CS | Simple PWM Power Regulator with Shutdown |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AIC1579LCN | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:Step-Down Switching Regulator Controller |
| AIC1579LCS | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:Step-Down Switching Regulator Controller |
| AIC1580 | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:Simple PWM Power Regulator with Shutdown |
| AIC1580CN | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:Simple PWM Power Regulator with Shutdown |
| AIC1580CS | 制造商:AIC 制造商全稱:Analog Intergrations Corporation 功能描述:Simple PWM Power Regulator with Shutdown |
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