Datasheet > ATH30T033

ATH30T033

更新时间： 2024-11-19 03:19:39

品牌	Logo	应用领域
ASTEC		电源电路
页数	文件大小	规格书
16页	412K
描述
30-A, 3.3-V Input Non-Isolated Wide-Output Adjust Power Module

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ATH30T033 数据手册

ATH30T033 Series —3.3-V Input

30-A, 3.3-V Input Non-Isolated

Wide-Output Adjust Power Module

REVISION 00 (30APR2004)

Features

• Up to 30-A Output Current

• 3.3-V Input Voltage

• Wide-Output Voltage Adjust

(0.8 V to 2.5 V)

• 135 W/in³ Power Density

• Efficiencies up to 93 %

• On/Off Inhibit

• Auto-Track™ Sequencing

• Output Over-Current Protection

(Non-Latching, Auto-Reset)

• Operating Temp: –40 to +85 °C

• Over-Temperature Shutdown

• Safety Agency Approvals:

UL 1950, CSA 22.2 950, EN60950

VDE (Pending)

• Pre-Bias Startup

NOMINAL SIZE =

1.37 in x 1.12 in

(34,8 mm x 28,5 mm)

• Point-of-Load Alliance (POLA)

Compatible

• Margin Up/Down Controls

• Under-Voltage Lockout

Description

Pin Configuration

set to any value over the range 0.8 V to

2.5 V, using a single resistor.

The ATH30T033 is a series of high-

current non-isolated power modules.

The product is characterized by high effi-

ciencies, and up to 30 A of output current,

while occupying a mere 1.64 in² of PCB

area. In terms of cost, size, and perfor-

mance, the series provides OEM’s with a

flexible module that meets the require-

ments of the most complex and demanding

mixed-signal applications. These include

the most densly populated, multi-proces-

sor systems that incorporate high-speed

DSP’s, microprocessors, and ASICs.

Pin Function

GND

V_in

This series includes Auto-Track™.

Auto-Track simplifies power-up and

power-down supply voltage sequencing

in a system by enabling modules to track

each other, or any other external voltage.

Each model also includes an on/off

inhibit, output voltage adjust (trim), and

margin up/down controls. An output

voltage sense ensures tight load regulation,

and an output over-current and thermal

shutdown feature provide for protection

against external load faults.

GND

Inhibit *

V_oAdjust

V_oSense

GND

V_out

10 GND

11 Track

12 Margin Down *

13 Margin Up *

The series uses double-sided surface

mount construction and provides high-

performance step-down power conversion

from a 3.3-V input bus voltage. The out-

put voltage of the ATH30T033 can be

Denotes negative logic:

Open

= Normal operation

Package options inlude both through-

hole and surface mount configurations.

Ground = Function active

Standard Application

Track

Rset = Required to set the desired output voltage

higher than 0.8 V (see spec. table for values).

Margin Down

Margin Up

= Required 1,500 µF capacitor.

= Optional 330 µF capacitor.

out

13 12 11

V_IN

ATH^PT3^H0⁰T³0⁰3³⁰3^W-9S

V_OUT

(Top View)

Inhibit

V_oSense

C_IN

1,500 µF

C_OUT

330 µF

(Required)

R_SET

(Optional)

0.5 %, 0.1 W

(Required)

GND

North America (USA): 1-888-41-ASTEC

Europe (UK): 44(1384)842-211

Asia (HK): 852-2437-9662

12 3 4 5 6 7...16

中文翻译

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