Datasheet > ATH26K12

ATH26K12

更新时间： 2024-11-23 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	1317K
描述
26-A, 12-V Input Non-Isolated Wide-Output Adjust Power Module

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ATH26K12 数据手册

ATH26K12 Series - 12-V Input

26-A, 12-V Input Non-Isolated

Wide-Output Adjust Power Module

REVISION 00 (30APR2004)

Features

• Up to 26 A Output Current

• Auto-Track™ Sequencing

• 12-V Input Voltage

• Under-Voltage Lockout

• Wide-Output Voltage Adjust

(1.2 V to 5.5 V)

• Efficiencies up to 94 %

• 235 W/in³ Power Density

• On/Off Inhibit

• Output Over-Current Protection

(Non-Latching, Auto-Reset)

• Over-Temperature Protection

• Operating Temp: –40 to +85 °C

• Safety Agency Approvals:

UL 1950, CSA 22.2 950, EN60950

VDE (Pending)

• Output Voltage Sense

• 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

• Dual-Phase Topology

Description

Pin Configuration

put voltage of the AT H 26K12 can be set

to any value over the range, 1.2 V to

5.5 V, using a single resistor.

T he AT H 26K12 is a series of high-

current non-isolated power module. T his

product is characterized by high efficien-

cies, and up to 26 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.

T hese include the most densly populat-

ed, multi-processor systems that

incorporate high-speed DSP’s, micropro-

cessors, and ASICs.

Pin Function

GN D

V_in

GN D

Inhibit *

V_oAdjust

V_oSense

GN D

V_out

T his 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.

V_out

10 GND

11 Track

12 Margin Down *

13 Margin Up *

Denotes negative logic:

Open

= Normal operation

T he series uses double-sided surface

mount construction and provides high-

performance step-down power conversion

from a 12-V input bus voltage. T he out-

Ground = Function active

Package options inlude both through-

hole and surface mount connfigurations.

Standard Application

Track

Rset = Required to set the output voltage to a value

higher than 1.2 V. (See spec. table for values)

Margin Down

Margin Up

= Required electrolytic 560 µF

= Optional 330 µF electrolytic

out

13 12 11

V_IN

PTH12030W

(Top View)

V_OUT

ATH26K12-9S

Inhibit

V_oSense

R_SET

C_IN

C_OUT

560 µF

(Required)

1 %, 0.1 W

(Required)

330 µF

(Optional)

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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