Datasheet > EN5311QI

EN5311QI

更新时间： 2025-07-14 06:57:15

品牌	Logo	应用领域
ENPIRION		稳压器电感器开关输出元件 PC
页数	文件大小	规格书
16页	290K
描述
1A Synchronous Buck Regulator With Integrated Inductor

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EN5311QI 数据手册

EN5311QI

Electrical Characteristics

NOTE: T_A= 25°C unless otherwise noted. Typical values are at V_IN= 3.6V, C_IN= 4.7μF, C_OUT=10uF.

NOTE: V_INmust be greater than V_OUT+ 0.6V.

SYMBOL

PARAMETER

Operating Input Voltage

TEST CONDITIONS

MIN

2.4

TYP

MAX

5.5

6.6

UNITS

V_IN

Using VID

Using External Divider (VFB)¹

V_INgoing low to high

Under Voltage Lockout

UVLO Hysteresis

V_UVLO

2.2

0.145

2.3

V_OUTInitial Accuracy (VID)

2.4V ≤ V_IN≤ 5.5V, I_LOAD= 100mA;

T_A= 25C

2.4V ≤ V_IN≤ 5.5V, I_LOAD= 0 - 1A,

T_A= -40°C to +85°C

2.4V ≤ V_IN≤ 6.6V, I_LOAD= 100mA

TA = 25C; VSO=VS1=VS2=1

2.4V ≤ V_IN≤ 6.6V, I_LOAD= 0 - 1A,

T_A= -40°C to +85°C;

V_OUT

V_FB

-2.0

-3.0

+2.0

+3.0

V_OUTVariation for all

Causes (VID)

Feedback Pin Voltage

0.591

0.603

0.615

Feedback Pin Voltage

V_FB

0.585

0.621

2.1

VSO=VS1=VS2=1

Feedback Pin Input Current

Dynamic Voltage Slew

Rate^†

I_FB

V_slew

1.24

1.65

V/mS

Output Current

Shut-Down Current

Quiescent Current

I_OUT

I_SD

1000

μA

Enable = Low

No switching

0.75

800

2.4V ≤ V_IN≤ 6.6V,

0.6V ≤ V_OUT≤ V_IN– 0.6V

Pin = Low

PFET OCP Threshold

I_LIM

1.4

0.0

1.4

0.4

V_IN

VS0-VS1 Thresholds

V_TH

I_VSX

Pin = High

VS0-VS2 Pin Input Current

Enable Voltage Threshold

Logic Low

Logic High

V_IN= 3.6V

0.0

1.4

0.2

V_IN

Enable Pin Input Current

Operating Frequency

PFET On Resistance

NFET On Resistance

Typical inductor DCR

Soft-Start Operation

V_OUTSoft Start Slew Rate^†

Soft Start Rise Time

I_EN

F_OSC

R_DS(ON)

340

270

.110

μA

MHz

mΩ

VID Mode ²

VFB mode ²

1.24

0.80

1.65

1.10

2.1

1.40

V/mS

ΔV_SS

ΔT_SS

1. See Section “Application Information” for specific circuit requirements

2. Measured from when V_IN≥ V_UVLO& ENABLE pin crosses its logic High threshold

† Parameter guaranteed by design.

www.enpirion.com

03799

11/24/2009

Rev:B

1 2 3 456 7 8...16

中文翻译

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与EN5311QI相关器件

型号	品牌	获取价格	描述	数据表
EN5311QI-E	ENPIRION	获取价格	1A Synchronous Buck Regulator With Integrated Inductor
EN5311QI-T	INTEL	获取价格	Switching Regulator/Controller, Voltage-mode, 1A, 4000kHz Switching Freq-Max, MQCC20
EN5312Q	ETC	获取价格	Fully Integrated Voltage Mode Synchronous Buck PWM DC-DC Converter Module
EN5312QI	ENPIRION	获取价格	1A Synchronous Buck Regulator With Integrated Inductor
EN5312QI	ALTERA	获取价格	Switching Regulator, Voltage-mode, 1A, 4000kHz Switching Freq-Max, 5 X 4 MM, 1.10 MM HEIGH
EN5312QI	INTEL	获取价格	元器件封装:20-QFN;
EN5319QI	INTEL	获取价格	Switching Regulator, Voltage-mode, 1.5A, CMOS, 4 X 6 MM, 1.10 MM HEIGHT, HALOGEN FREE AND
EN5319QI	ALTERA	获取价格	Switching Regulator, Voltage-mode, 1.5A, CMOS, 4 X 6 MM, 1.10 MM HEIGHT, HALOGEN FREE AND
EN5322QI	ENPIRION	获取价格	2 A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor
EN5322QI	INTEL	获取价格	最小工作电压(V):2.4V;最大工作电压(V):5.5V;最大输出电流(A):2A;元器

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