ACE722 datasheet(3/8 Pages) ACE

Nome de Peças	ACE722

Descrição Electrónicos	2A Step-down DC-DC Converter

PDF	8 Pages

Scroll/Zoom	100%

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

Página de início	http://www.ace-ele.com

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ACE722

2A Step-down DC-DC Converter

VER1.6

Electrical Characteristics

(Test Conditions: TA=25℃, VIN=12V, unless otherwise noted.)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Under Voltage Lockout

VUVLO

3.35

3.6

Feedback Voltage

VFB

1.225

1.25

1.275

FB Pin Bias Current

IFB

VFB=1.25V

150

600

Supply Current

VFB=1.3V, VCE=VIN

Quiescent Current in Shutdown

VCE=0V

Reference Line Regulation

△VFB/△V

VIN=5V to 20V

0.08

%/V

Feedback Voltage Temperature

Coefficient

△VFB/△T

-40℃≦Topt≦85℃

±100

ppm/℃

Oscillator Frequency

FOSC_MAX

VFB=1.1Vvfb

500

KHz

Frequency Shift Threshold on FB Pin

FOSCTH

FSW=200K

0.44

Max Duty Cycle

DMX

Switch Current Limit

ILIMIT

2.5

Static P-Channel MOSFER On State

Resistance

Rds_on

90*

mΩ

Switch Leakage Current

ISW

CE “H” Input Current

ICEH

VCE=3V

6.7

E “L” Input Current

ICEL

VCE=0V

0.03

0.1

CE “H” Input Voltage

VCEH

VIN=12V

1.8

CE “L” Input Voltage

VCEL

VIN=12V

0.4

Typical Application

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