Datasheet > AIC1550CPTR

AIC1550CPTR

更新时间： 2024-01-27 03:55:24

品牌	Logo	应用领域
沛亨 - AIC		转换器
页数	文件大小	规格书
15页	957K
描述
Low-Noise Synchronous PWM Step-Down DC/DC Converter

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AIC1550CPTR 技术参数

是否Rohs认证：	符合	生命周期：	Contact Manufacturer
包装说明：	TSSOP, TSSOP8,.19	Reach Compliance Code：	compliant
风险等级：	5.77	控制模式：	VOLTAGE-MODE
JESD-30 代码：	R-PDSO-G8	端子数量：	8
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	0.8 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP8,.19
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	YES	最大切换频率：	600 kHz
技术：	CMOS	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	Base Number Matches：	1

AIC1550CPTR 数据手册

AIC1550

Low-Noise Synchronous PWM Step-Down

DC/DC Converter

ꢀDESCRIPTION

ꢀFEATURES

The AIC1550 is a low-noise pulse-width-

95% Efficiency or up

ꢁ

modulated (PWM) DC-DC step-down converter.

It powers logic circuits in PDAs and small

wireless systems such as cellular phones,

handy-terminals.

800mA Guaranteed Output Current.

Adjustable Output Voltage from 0.75V to VIN

of a range from +2.5V to 6.5V.

Very Low Quiescent Current: 35µA (Typ.).

ꢁ

Fixed- 500KHz or Adjustable Frequency

Synchronous PWM Operation.

The device features an internal synchronous

rectifier for high conversion efficiency. Excellent

noise characteristics and fixed-frequency

operation provide easy post-filtering. The

AIC1550 is ideally suited for Li-ion battery

applications. It is also suitable for +3V or +5V

fixed input applications. The device can operate

in either one of the following four modes.

Synchronizable

Frequency up to 1MHz.

external

Switching

ꢁ

Accurate Reference: 0.75V (±2%).

100% Duty Cycle in Dropout.

Low Profile 8-Pin MSOP Package.

ꢁ

ꢀAPPLICATIONS

PDAs.

ꢁ

(1) Forced PWM mode operates at a

fixed frequency regardless of the

load.

Digital Still Cameras.

ꢁ

Handy-Terminals.

ꢁ

Cellular Phones.

ꢁ

CPU I/O Supplies.

(2) Synchronizable

PWM

mode

ꢁ

Cordless Phones.

ꢁ

allows the synchronization by

using an external switching

Notebook Chipset Supplies.

Battery-Operated Devices (4 NiMH/ NiCd or 1

Li-ion Cells).

frequency

with

minimum

harmonics.

(3) PWM/PFM Mode extends battery

life by switching to a PFM pulse-

skipping mode under light loads.

(4) Shutdown mode sets device to

standby, reducing supply current

to 0.1µA or under.

The AIC1550 can deliver over 800mA output

current. The output voltage can be adjusted

from 0.75V to VIN ranging from +2.5V to +6.5V.

Other features of the AIC1550 include low

quiescent current, low dropout voltage, and a

0.75V reference of ±2% accuracy. It is available

in a space-saving 8-pin MSOP package.

Analog Integrations Corporation

Si-Soft Research Center

3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.

DS-1550P-04 010405

TEL: 886-3-5772500 FAX: 886-3-5772510 www.analog.com.tw

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中文翻译

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与AIC1550CPTR相关器件

型号	品牌	获取价格	描述	数据表
AIC1550POTB	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter
AIC1550POTR	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter
AIC1550PPTB	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter
AIC1550PPTR	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter
AIC1553	AIC	获取价格	Compact 500KHz PWM/PFM, Step-Down DC/DC Converters
AIC1553CV	AIC	获取价格	Compact 500KHz PWM/PFM, Step-Down DC/DC Converters
AIC1553CVBG	AIC	获取价格	Compact 500KHz PWM/PFM, Step-Down DC/DC Converters
AIC1553CVTR	AIC	获取价格	Compact 500KHz PWM/PFM, Step-Down DC/DC Converters
AIC1554	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter
AIC1555	AIC	获取价格	Low-Noise Synchronous PWM Step-Down DC/DC Converter

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