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AAT2504IZL-BAA-T1 PDF预览

AAT2504IZL-BAA-T1

更新时间： 2024-02-12 16:57:04
品牌 Logo 应用领域
思佳讯 - SKYWORKS 线性稳压器IC电源电路
页数 文件大小 规格书
21页 1688K
描述
Adjustable Three-Channel Regulator

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AAT2504IZL-BAA-T1 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：,Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84Is Samacsys：N
调节器类型：ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATORBase Number Matches：1

AAT2504IZL-BAA-T1 数据手册

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DATA SHEET  
AAT2504  
AdjustableThree-Channel Regulator  
Pin Descriptions  
Pin #  
Symbol  
Function  
Feedback input pin for LDOB. This pin is used to regulate the output of LDOB to the desired value via an  
external resistor divider.  
1
FBB  
2
3
ENA  
ENB  
Enable pin for LDOA. Active high.  
Enable pin for LDOB. Active high.  
PWM operation and oscillator synchronization pin. Connect to ground for PWM/Light Load operation  
and optimized efficiency throughout the load range. Connect high for low noise PWM operation under  
all operating conditions. When connected to an external clock, the internal oscillator is disabled and the  
step-down converter is synchronized to an external clock applied to this pin (PWM only).  
4
MODE/SYNC  
Feedback input pin for the step-down converter. This pin is used to see the output of the converter to  
regulate to the desired value via an external resistor divider.  
Ground connection pin.  
Main power ground return pin for the step-down converter. Connect to the output and input capacitor  
return.  
5
6
7
FB  
AGND  
PGND  
Connect inductor to this pin. Switching node internally connected to the drain of both high- and low-side  
MOSFETs.  
8, 9  
LX  
10  
11, 12  
VP  
N/C  
Input supply voltage for the converter. Must be closely decoupled.  
Not connected.  
Bias supply. Supply power for the internal circuitry. Connect to input power via low pass filter with de-  
coupling to AGND.  
Enable for the step-down converter. Active high.  
Power-OK pin with open drain output. It is pulled low when the OUTA pin is outside the regulation win-  
dow. Place a pull-up resistor between POK and OUTA.  
13  
14  
15  
VIN  
EN  
POK  
Feedback input pin for LDOA. This pin is used to regulate the output of LDOA to the desired value via an  
external resistor divider.  
16  
FBA  
17  
18  
19  
20  
EP  
OUTA  
VLDOA  
VLDOB  
OUTB  
LDOA output pin; should be closely decoupled with a low-ESR ceramic capacitor.  
Input voltage pin for linear regulator A; should be closely decoupled.  
Input voltage pin for linear regulator B; should be closely decoupled.  
LDOB output pin; should be closely decoupled with a low-ESR ceramic capacitor.  
Exposed paddle; connect to ground directly beneath the package.  
Pin Configuration  
QFN34-20  
(Top View)  
1
2
3
4
5
6
16  
15  
14  
13  
12  
11  
FBA  
POK  
EN  
VIN  
N/C  
N/C  
FBB  
ENA  
ENB  
MODE/SYNC  
FB  
AGND  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
2
202017B  
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013  
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