FAN5354MPX datasheet(4/14 Pages) FAIRCHILD

부품명	FAN5354MPX

상세설명	3MHz, 3A Synchronous Buck Regulator

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제조업체	FAIRCHILD [Fairchild Semiconductor]

홈페이지	http://www.fairchildsemi.com

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FAN5354 • Rev. 1.0.4

4

Electrical Characteristics

Minimum and maximum values are at VIN=2.7V to 5.5V, TA=-40°C to +85°C, unless otherwise noted. Typical values are at

TA=25°C, VIN=5V.

Symbol Parameter

Conditions

Min. Typ. Max. Units

Power Supplies

IQ

Quiescent Current

ILOAD=0, MODE=0

270

μA

ILOAD=0, MODE=1 (Forced PWM)

14

mA

I SD

Shutdown Supply Current

EN=GND

0.1

3.0

μA

VUVLO

Under-Voltage Lockout Threshold

VIN Rising

2.83

2.95

V

VIN Falling

2.10

2.30

2.40

V

VUVHYST Under-Voltage Lockout Hysteresis

530

mV

Logic Pins

VIH

HIGH-Level Input Voltage

1.05

V

VIL

LOW-Level Input Voltage

0.4

V

VLHYST

Logic Input Hysteresis Voltage

100

mV

IIN

Input Bias Current

Input Tied to GND or VIN

0.01

1.00

μA

IOUTL

PGOOD Pull-Down Current

VPGOOD=0.4V

1

mA

IOUTH

PGOOD HIGH Leakage Current

VPGOOD=VIN

0.01

1.00

μA

VOUT Regulation

VREF

Output Reference DC Accuracy

Measured at FB Pin

TA=25°C

0.792 0.800 0.808

V

0.788 0.800 0.812

V

VREG

VOUT DC Accuracy

At VOUT Pin W.R.T. Calculated Value,

ILOAD=500mA

1.6

+1.6

%

LOAD

OUT

I

V

Δ

Load Regulation

IOUT(DC)=1 to 3A

–0.03

%/A

IN

OUT

V

Δ

Line Regulation

2.7V ≤ VIN ≤ 5.5V, IOUT(DC)=1.5A

0.01

%/V

Transient Response

ILOAD Step 0.1A to 1.5A, tr=tf=100ns, VOUT=1.2V

+40

mV

Power Switch and Protection

RDS(ON)P P-Channel MOSFET On Resistance

60

mΩ

RDS(ON)N N-Channel MOSFET On Resistance

40

mΩ

ILIMPK

P-MOS Peak Current Limit

3.75

4.55

5.50

A

TLIMIT

Thermal Shutdown

150

°C

THYST

Thermal Shutdown Hysteresis

20

°C

VSDWN

Input OVP Shutdown

Rising Threshold

6.2

V

Falling Threshold

5.50

5.85

V

Frequency Control

fSW

Oscillator Frequency

2.7

3.0

3.3

MHz

fSYNC

MODE Pin Synchronization Range

External Square-Wave, 30% to 70% Duty Cycle

2.7

3.0

3.3

MHz

fPFM(MIN) Minimum PFM Frequency

TA = 25°C, VIN = 5.0V

17

26

36

kHz

Soft-Start

tSS

Regulator Enable to Regulated VOUT

RLOAD > 5Ω, to VOUT=1.2V

210

250

μs

RLOAD > 5Ω, to VOUT=1.8V

340

420

μs

VSLEW

Soft-Start VREF Slew Rate

10

V/ms

유사한 부품 번호 - FAN5354MPX

제조업체	부품명	데이터시트	상세설명
Fairchild Semiconductor	FAN5354MPX	1Mb / 14P	3MHz, 3A Synchronous Buck Regulator
ON Semiconductor	FAN5354MPX	1Mb / 16P	3 MHz, 3 A Synchronous Buck Regulator Rev. 1.0.7

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유사한 설명 - FAN5354MPX

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Fairchild Semiconductor	FAN5353	983Kb / 13P	3MHz, 3A Synchronous Buck Regulator
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ON Semiconductor	FAN5362	1Mb / 16P	3MHz, 500mA / 750mA Synchronous Buck Regulator Rev. 1.0.5
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FAN5354MPX 데이터시트(PDF) 4 Page - Fairchild Semiconductor

FAN5354MPX 데이터시트(HTML) 4 Page - Fairchild Semiconductor

유사한 부품 번호 - FAN5354MPX

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