EN5312QI 查看數據表（PDF） - Enpirion, Inc.

零件编号

产品描述 (功能)

生产厂家

EN5312QI

1A Synchronous Buck Regulator With Integrated Inductor

Enpirion, Inc. 

March 2007

PARAMETER

Feedback Pin Input Current

SYMBOL

IFB

TEST CONDITIONS

VSO=VS1=VS2=1

Output Voltage with VID

Preset Codes.

NOTE: VS Pins must not be

left floating

VOUT

2.4V ≤ VIN ≤ 5.5V, ILOAD = 0 - 1A,

TA = -40°C to +85°C

VS2 VS1 VS0 VOUT(V)

0 0 0 3.3

0 0 1 2.5

0 1 0 1.8

0 1 1 1.5

1 0 0 1.25

1 0 1 1.2

1 1 0 0.8

Feedback Pin Voltage

Line Regulation

Load Regulation

Dynamic Voltage Slew Rate

Output Current

Shut-Down Current

Quiescent Current

PFET OCP Threshold

VS0-VS1 Thresholds

VS0-VS2 Pin Input Current

Enable Voltage Threshold

Enable Pin Input Current

Operating Frequency

PFET On Resistance

NFET On Resistance

Typical inductor DCR

Soft-Start Operation

Time to 90% Vout

VFB

Vslew

IOUT

ISD

ILIM

VTH

IVSX

IEN

FOSC

RDS(ON)

RDS(ON)

Tss

2.4V ≤ VIN ≤ 5.5V, ILOAD = 0 - 1A,

TA = -40°C to +85°C

VSO=VS1=VS2=1

2.4V ≤ VIN ≤ 5.5V

0A ≤ ILOAD ≤ 1A

Enable = Low

No switching

2.4V ≤ VIN ≤ 5.5V,

0.6V ≤ VOUT ≤ VIN – 0.6V

Pin = Low

Pin = High

Logic Low

Logic High

VIN = 3.6V

Vout = 3.3V

EN5312QI

MIN

TYP

MAX UNITS

1

nA

-3.0

+3.0

-3.0

+3.0

-3.0

+3.0

%

-3.0

+3.0

-3.0

+3.0

-3.0

+3.0

-3.0

+3.0

0.585

1000

1.4

0.0

1.4

0.0

1.4

0.603

.05

.0003

1.65

0.75

800

2

1

2

4

340

270

.110

2

0.621

0.4

VIN

0.2

VIN

V

%/V

%/mA

V/mS

mA

µA

µA

A

nA

V

µA

MHz

mΩ

mΩ

Ω

mS

©Enpirion 2007 all rights reserved, E&OE

5

www.enpirion.com

Share Link: