ACE722AFM+H datasheet(4/9 Pages) ACE

No. de pieza	ACE722AFM+H

Descripción Electrónicos	2A PWM BUCK DC-DC Converter

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Fabricante Electrónico	ACE [ACE Technology Co., LTD.]

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ACE722A

Technology

2A PWM BUCK DC-DC Converter

VER 1.2

4

Electrical Characteristics

(Vcc=12V, VOUT=5V, TA=25℃, unless otherwise noted.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Input Voltage

VIN

4.75

25

V

Shutdown Quiescent Current

ISHDN

VEN=0.4V

44

60

μA

Quiescent Current

IQ

VEN=2V, VFB=1.3V

1.3

2

mA

Feedback Voltage

VFB

VIN=5V to 25V

0.784

0.8

0.816

V

Feedback Bias Current

IFB

VFB=1.3V

-0.1

-0.5

μA

Switch Current Limit

ILIM

2.5

3.4

A

Oscillator Frequency

fosc

336

420

504

kHz

Frequency of Current Limit or Short

Circuit Protection

fosc1

VFB<0.52V

40

kHz

Error Amplifier Voltage Gain

GV

1000

V/V

Error Amplifier Transconductance

GS

700

μA/V

VH

1.5

V

EN Pin Threshold

VL

0.7

V

EN Pin Input Leakage Current

IEN

VEN=2.5V

-5

-10

μA

Internal PMOS ON Resistance

RDSON

VIN=12V

VFB=0.65V

VEN=12V,IOUT=2A

130

150

mΩ

Maximum Duty Cycle

DMAX

VFB=0.65V,

ISW=0.1A

100

%

Thermal Shutdown

TOTSD

155

℃

Thermal Shutdown Hysteresis

THYS

20

℃

Typical Performance Characteristics

VCC=12V, VOUT=5V, TA=25℃, unless otherwise specified

Output Current (A)

Temperature (℃)

Figure 1. Efficiency vs. Output Current

Figure 2. Operation Frequency vs. Temperature

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ACE722AFM+H Datasheet(PDF) 4 Page - ACE Technology Co., LTD.

ACE722AFM+H Datasheet(HTML) 4 Page - ACE Technology Co., LTD.

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