Datasheet > A7335

A7335

更新时间： 2022-02-26 12:30:38

品牌	Logo	应用领域
创瑞 - AITSEMI		DC-DC转换器
页数	文件大小	规格书
18页	888K
描述
DC-DC CONVERTER BUCK SYNCHRONOUS CV/CC

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A7335 数据手册

A7335

DC-DC CONVERTER BUCK (STEP-DOWN)

30V, 3.5A SYNCHRONOUS CV/CC

AiT Semiconductor Inc.

www.ait-ic.com

PIN DESCRIPTION

Top View

Pin #

Symbol

Function

High Side Bias Pin. This provides power to the internal high-side MOSFET

gate driver.

Connect a 100nF capacitor from BS pin to SW pin.

Power Supply Input. Bypass this pin with a minimum 4.7μF ceramic

capacitor to GND, placed as close to the IC as possible.

Power Switching Output to External Inductor.

Ground. Connect this pin to a large PCB copper area for best heat

dissipation. Return FB, COMP, and ISET to this GND, and connect this

GND to power GND at a single point for best noise immunity.

Feedback Input. The voltage at this pin is regulated to 0.808V. Connect to

the resistor divider between output and GND to set the output voltage.

Error Amplifier Output. This pin is used to compensate the converter.

Enable Input. EN is pulled up to 5V with a 2MΩ resistance, and contains a

precise 1.95V logic threshold. Drive this pin to a logic-high or leave

unconnected to enable the IC.

GND

COMP

Drive to a logic-low to disable the IC and enter shutdown mode.

Output Current Setting Pin. Connect a resistor from ISET to GND to

program the output current.

ISET

Heat Dissipation Pad. Connect this exposed pad to large ground copper

area with copper and vias.

Exposed Pad

REV1.0

- NOV 2017 RELEASED -

- 2 -

123 4 5 6 7...18

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