Datasheet > APW7060K

APW7060K

更新时间： 2024-11-05 22:14:39

品牌	Logo	应用领域
茂达 - ANPEC		控制器
页数	文件大小	规格书
16页	180K
描述
Dual Controllers - Step Down Synchronous PWM and Linear Controller

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APW7060K 数据手册

APW7060

Dual Controllers - Step Down Synchronous PWM and Linear Controller

Features

General Description

The APW7060 integrates a synchronous buck PWM

controller and a linear controller to provide two regu-

lated voltages in a single package. The PWM control-

ler drives external N-channel MOSFETs and operates

at a fixed 600kHz frequency. When the input supply

drops close to the output, the upper MOSFET remains

on, achieving 100% duty cycle. Internal loop compen-

sation is optimized for fast transient response, elimi-

nating external compensation network. The linear con-

troller drives an external N-channel MOSFET to form a

linear regulator. The internal 0.8V reference makes this

part suitable for a wide variety of low voltage

applications.

•

Provides Two Regulated Voltages

- One Synchronous DC/DC Buck Controller

- One Linear Controller

•

0.8V Internal Reference Voltage

- Both Controllers: 0.8V ± 2% Line, Load

and Temp.

•

Output Voltage Range

- PWM Controller : 0.8V to V_IN

- Linear Controller : 0.8V to (12VCC-V_GSpass

Full Duty Cycle Range for PWM Controller

- 0% to 100%

)

The APW7060 has an undervoltage lockout circuitry

to ensures that both the 5VCC and 12VCC must be

present before its internal circuitry is power up. Soft

start is internally set to 2ms and will bring both out-

puts into regulation in a controlled manner. When ei-

ther output goes into short, soft start will be initiated.

If the short condition still remains after three cycles,

both regulators will be shut down. To restart both

regulators, recycle the voltage at 5VCC or 12VCC pin

or momentarily pull the FB2 pin above 1.28V.

The APW7060 can be shutdown by pulling the FB2

pin above 1.28V. In shutdown, all gate drive signals

will be low. This dual controller is available in SO-14

package.

•

Internal Loop Compensation for PWM Controller

Internal 2ms Soft Start and Short Circuit Protec

tion for both Controllers

•

Both Controllers Drive N-Channel MOSFETs

Small Converter Size

- 600kHz Constant Switching Frequency

- Simple SO-14 Package

•

Shutdown Control

Applications

•

Motherboard

Pinouts

Graphics Cards

UGATE

12VCC

12V, 5V and 3.3V Inputs DC-DC Converter

DSP Supplies

LGATE

GND

5VCC

DRIVE2

FB2

Embedded processor and I/O supplies

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise

customers to obtain the latest version of relevant information to verify before placing orders.

Rev. A.3 - Oct., 2003

www.anpec.com.tw

12 3 4 5 6 7...16

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与APW7060K相关器件

型号	品牌	获取价格	描述	数据表
APW7060KC-TR	ANPEC	获取价格	Dual Controllers - Step Down Synchronous PWM and Linear Controller
APW7060KC-TU	ANPEC	获取价格	Dual Controllers - Step Down Synchronous PWM and Linear Controller
APW7061	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7061KC-TR	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7061KC-TRL	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7061KC-TU	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7061KC-TUL	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7062A	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7062AKC-TR	ANPEC	获取价格	Synchronous Buck PWM Controller
APW7062AKC-TRL	ANPEC	获取价格	Synchronous Buck PWM Controller

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