ap1519sa ETC-unknow, ap1519sa Datasheet

ap1519sa

Manufacturer Part Number

ap1519sa

Description

300khz, 2a Pwm Buck Dc/dc Converter

Manufacturer

ETC-unknow

Datasheet

1.AP1519SA.pdf (9 pages)

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300KHz, 2A PWM Buck DC/DC Converter

- Adjustable version output voltage range, 0.8V to

- 300KHz +15% fixed switching frequency

- Voltage mode non-synchronous PWM control

- Thermal-shutdown and current-limit protection

- ON/OFF shutdown control input

- Operating voltage can be up to 22V

- Output load current: 2A

- SOP-8L Pb-Free packages

- Low power standby mode

- Built-in switching transistor on chip

- Simple High-efficiency step-down regulator

- On-card switching regulators

- Positive to negative converter

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

18V+4%

Pin Assignments

Features

Applications

Output

(Top View)

SOP-8L

GND

1/9

The AP1519 is monolithic IC designed for a

step-down DC/DC converter, and own the ability of

driving a 2A load without additional transistor. It

saves board space. The external shutdown function

can be controlled by logic level and then come into

standby mode. The internal compensation makes

feedback control having good line and load

regulation without external design. 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. If current limit function occurs and

will be reduced. The AP1519 series operates at a

switching frequency of 300KHz thus allows 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. The chips are available in a standard

8-lead SOP-8 package.

Output

Name

GND

General Description

is down below 0.5V, the switching frequency

Pin Descriptions

Operating voltage input

Switching output

Ground

Output voltage feedback control

ON/OFF Shutdown

Description

AP1519

Rev.1.0 Oct 5, 2004

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ap1519sa Summary of contents

Page 1

PWM Buck DC/DC Converter Features - Adjustable version output voltage range, 0.8V to 18V+4% - 300KHz +15% fixed switching frequency - Voltage mode non-synchronous PWM control - Thermal-shutdown and current-limit protection - ON/OFF shutdown control input - Operating ...

Page 2

PWM Buck DC/DC Converter Ordering Information Block Diagram Current 0.8V Source Reference bias + Amp _ FB Anachip Corp. www.anachip.com.tw AP1519 X X Package Packing S: SOP-8L Blank : Tube A : Taping SD 200mV 2.5V Start Regulator ...

Page 3

PWM Buck DC/DC Converter Absolute Maximum Ratings Symbol Parameter V Supply Voltage CC V ON/OFF Pin input voltage SD V Feedback Pin voltage FB V Output voltage to Ground OUT P Power dissipation D T Storage temperature ST ...

Page 4

PWM Buck DC/DC Converter Electrical Characteristics (Continued) Sym. Parameter Output V FB Feedback η Efficiency AP1519 η Efficiency η Efficiency η Efficiency Specifications with boldface type are for full operating temperature range, the other type are for T ...

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ap1519sa Summary of contents

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