ACE150X

150KHz,2A ,PWM Step-Down DC/DC Converter

VER 1.2

4

Electrical Characteristics

specified.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output

Voltage

3.168

3.3

3.432

V

Efficiency

ACE1501/2-3.3

η

-

75

-

%

Output

Voltage

4.800

5.0

5.200

V

Efficiency

ACE1501/2-5.0

η

-

80

-

%

Output

Voltage

11.52

12

12.48

V

Efficiency

ACE1501/2-1.2

η

-

89

-

%

Feedback

Voltage

1.193 1.230 1.267

V

Efficiency

ACE1501/2-ADJ

η

-

74

-

%

Feedback bias Current

(Adjustable Only)

-

-10

-50

nA

Oscillator Frequency

127

150

173

KHz

Oscillator Frequency OF Short

Circuit Protect

When current limit occurred and

5

15

25

KHz

Saturation Voltage

Io = 2A, No outside circuit and

-

1.4

1.6

V

Max. Duty Cycle ( ON)

-

100

-

%

Min. Duty Cycle ( OFF)

-

0

-

%

Current Limit

Peak current, No outside circuit and

3.6

4.5

5.5

A

Output Leakage Current No outside

-

-

-200

Output Leakage Current

-5

-

30

µA

Quiescent Current

-

5

10

mA

Standby Quiescent Current

-

70

156

µA

Low(Regulator(ON)

-

0.6

ON/OFF Pin Logic Input

Threshold Voltage

High(Regulator(OFF)

2.0

1.3

-

V

-0.01

ON/OFF Pin Logic Input Current

-0.1

-1

µA