Datasheet > EN5312QI

EN5312QI

更新时间： 2024-02-07 05:16:41

品牌	Logo	应用领域
阿尔特拉 - ALTERA		LTE 输入元件开关
页数	文件大小	规格书
16页	978K
描述
Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, MO-220, QFN-20

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EN5312QI 技术参数

是否Rohs认证：	符合	生命周期：	Not Recommended
包装说明：	5 X 4 MM, 1.10 MM HEIGHT, ROHS COMPLIANT, MO-220, QFN-20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.72	其他特性：	ADJUSTABLE MODE FROM 0.6 TO 4.9; ALSO OPERATES IN INPUT VG FOR EXT DIVIDER 2.4 TO 6.6V
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	VOLTAGE-MODE
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	5.5 V
最小输入电压：	2.4 V	标称输入电压：	3.6 V
JESD-30 代码：	R-XQCC-N20	JESD-609代码：	e3
长度：	5 mm	湿度敏感等级：	3
功能数量：	1	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
最大输出电流：	1 A	封装主体材料：	UNSPECIFIED
封装代码：	HQCCN	封装等效代码：	LCC20,.16X.2,25
封装形状：	RECTANGULAR	封装形式：	CHIP CARRIER, HEAT SINK/SLUG
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1.15 mm	子类别：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	BUCK
最大切换频率：	4000 kHz	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn) - annealed	端子形式：	NO LEAD
端子节距：	0.65 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	10	宽度：	4 mm

EN5312QI 数据手册

Enpirion^®Power Datasheet

EN5312QI 1A PowerSoC

Synchronous Buck Regulator

With Integrated Inductor

Featuring Integrated Inductor Technology

Product Overview

V_IN

The Ultra-Low-Profile EN5312QI is targeted to

applications where board area and profile are

critical. EN5312QI is a complete power

conversion solution requiring only two low cost

ceramic MLCC caps. Inductor, MOSFETS,

PWM, and compensation are integrated into a

tiny 5mm x 4mm x 1.1mm QFN package. The

EN5312QI is engineered to simplify design and

UVLO

Thermal Limit

Current Limit

ENABLE

Soft Start

P-Drive

N-Drive

Logic

V_OUT

(-)

PWM

Comp

(+)

GND

V_SENSE

Sawtooth

Generator

to minimize layout constraints.

4 MHz

Compensation

Network

switching frequency and internal type III

compensation provides superior transient

(-)

Switch

Error

Amp

V_FB

response.

With a 1.1 mm profile, the

(+)

EN5312QI is ideal for space and height

constrained applications.

DAC

Voltage

Select

VREF

Package Boundry

A 3-pin VID output voltage selector provides

seven pre-programmed output voltages along

with an option for external resistor divider.

Output voltage can be programmed on-the-fly

to provide fast, dynamic voltage scaling.

VS0 VS1 VS2

Product Highlights

• Revolutionary Integrated Inductor

• 5mm x 4mm x1.1mm QFN package

• Very small total solution foot print*

• 4 MHz switching frequency

Typical Application Circuit

ENABLE

V_Sense

V_OUT

V_IN

V_in

V_out

V_FB

4.7µF

10µF

• Only two low cost MLCC caps required

• Designed for low noise/low EMI

• Very low ripple voltage; 5mV_p-pTypical

• High efficiency, up to 95%

V_S0

V_S1

V_S2

Voltage

Select

GND

• Wide 2.4V to 6.6V input range

• 1000mA continuous output current

• Less than 1 µA standby current.

• Excellent transient performance

• 3 Pin VID Output Voltage select

• External divider: 0.6V to V_IN-V_dropout

• 100% duty cycle capable

• Short circuit and over current protection

• UVLO and thermal protection

• RoHS compliant; MSL 3 260°C reflow

Figure 1. Typical application circuit.

Applications

• Area constrained applications

• Noise Sensitive Applications such as A/V

and RF

• LDO replacement for improved thermals

• Lower Power FPGA and ASICs

• Smart phones, PDAs

• VoIP and Video phones

• Personal Media Players

*Optimized PCB Layout file downloadable from the Enpirion Website to assure first pass design success.

04535

December 14, 2015

Rev E

12 3 4 5 6 7...16

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