Datasheet > NCP6335DFCT1G

NCP6335DFCT1G

更新时间： 2024-11-24 01:09:35

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
30页	1951K
描述
Configurable 4.0 A Step Down Converter - Transient Load Helper

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中文翻译

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NCP6335DFCT1G 数据手册

NCP6335

Configurable 4.0 A Step

Down Converter - Transient

Load Helper

The NCP6335 is a synchronous buck converter optimized to supply

the different sub systems of portable applications powered by one cell

Li−Ion or three cell Alkaline/NiCd/NiMH batteries. The device is able

to deliver up to 4.0 A, with programmable output voltage from 0.6 V

to 1.4 V. It can share the same output rail with another DC−to−DC

converter and works as a transient load helper. Operation at a 3 MHz

switching frequency allows the use of small components.

Synchronous rectification and automatic PWM/PFM transitions

improve overall solution efficiency. The NCP6335 is in a space

saving, low profile 2.0 x 1.6 mm CSP−20 package.

http://onsemi.com

WLCSP20

CASE 568AG

MARKING DIAGRAM

Features

6335x

AWLYWW

• Input Voltage Range from 2.3 V to 5.5 V: Battery and 5 V Rail

Powered Applications

• Programmable Output Voltage: 0.6 V to 1.4 V in 6.25 mV Steps

• Modular Output Stage Drive Strength for Increased Efficiency

Depending on the Output Current

= D1: Prototype

= F: 3.5 A

= D: 2.5 A (Stand−Alone)

= Assembly Location

• 3 MHz Switching Frequency with on Chip Oscillator

WL = Wafer Lot

= Year

WW = Work Week

• Uses 470 nH Inductor and 2 x 22 mF Capacitors for Optimized

Footprint and Solution Thickness

= Pb−Free Package

• PFM/PWM Operation for Optimum Increased Efficiency

Pb−Free indicator, G or microdot (G),

• Low 35 mA Quiescent Current

may or may not be present

• I C Control Interface with Interrupt and Dynamic Voltage Scaling

Support

PIN OUT

• Enable Pins, Power Good/Fail Signaling

• Thermal protections and Temperature Management

• Transient Load Helper: Share the Same Rail with Another DCDC

• Small 2.0 x 1.6 mm / 0.4 mm pitch CSP Package

• These are Pb−Free Devices

VSEL

SCL

PGND

INTB*

PGND

PG*

SDA

PGND

AVIN

PVIN

AGND

PGND

Typical Applications

• Smartphones

• Webtablets

PGND

AVIN

PVIN

Core

Supply Input

AGND

4.7 uF

DCDC

4.0 A

Thermal

Protection

470 nH

Enable Control EN

Modular

Driver

Operating

Input

2x 22 uF

VSEL

PGND

(Top View)

*Optional

Output

Power Fail

Interrupt

Monitoring

DCDC

3 MHz

Controller

Processor

Core

SDA

SCL

Processor I@C

I@C

Sense

ORDERING INFORMATION

See detailed ordering and shipping information on page 29 of

Control Interface

this data sheet.

Figure 1. Typical Application Circuit

Publication Order Number:

April, 2014 − Rev. 5

NCP6335/D

12 3 4 5 6 7...30

中文翻译

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