Datasheet > RS1509S-3.3

RS1509S-3.3

更新时间： 2024-11-09 04:07:31

品牌	Logo	应用领域
ORISTER		转换器
页数	文件大小	规格书
8页	205K
描述
150KHz, 2A PWM Buck DC/DC Converter

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RS1509S-3.3 数据手册

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RS1509

150KHz, 2A PWM Buck DC/DC Converter

8-Lead Plastic DIP-8

Package Code: P

Description

The RS1509 is Monolithic IC that design for a step-down DC/DC Converter, and own the

ability of driving a 2A load without additional transistor component. The output version

included 3.3V, 5V, 12V and an adjustable type. It operates at a switching frequency of

150KHz thus allowing smaller sized filter components than what would be needed with lower

frequency switching regulators. Other features include a guaranteed ±4% tolerance on

output voltage under specified input voltage and output load conditions, and ±15% on the

oscillator frequency. Regarding protected function, thermal shutdown is to prevent over

temperature operating from damage, and current limit is against over current operating of

the output switch.

•

8-Lead Plastic SOP-8

Package Code: S

Features

• 3.3V, 5V, 12V and adjustable

• Adjustable version output voltage range: 1.4-37V

• ±4% max over line and load conditions

• 150KHz ±15% fixed switching frequency

• TTL shutdown capability

• Operating voltage can be up to 40V

• Output load current: 2A

• SOP-8 and DIP-8 packages

• Low power standby mode

• Thermal-shuntdown and current-limit protection

• High efficiency

• Built-in switching a transistor on chip, requires only 4 external components

Applications

• Simple High-efficiency step-down regulator

• Positive to negative converter

• On-card switching regulators

Pin Connections

Pin1: Operating Voltage Input

Pin2: Switch Output

Pin5: Ground

Pin6: Ground

Pin7: Ground

Pin8: Ground

Pin3: Output Voltage Feedback Control

Pin4: ON/OFF Shutdown

DS-RS1509-04 Oct, 2007

www.Orister.com

12 3 4 5 6 7 8

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