Copyright

© ANPEC Electronics Corp.

Rev. A.2 - Jun., 2013

www.anpec.com.tw

3

APW7290

Symbol

Parameter

Range

Unit

Input Bias Supply Voltage (VIN to GND)

3.5 ~ 7.2

V

Converter Output Voltage

Adj : 0.6 ~ 6

Fixed : 1.8

V

Converter Output Current

0 ~ 1

A

L1

Converter Output Inductor

1.0 ~ 10

µH

Converter Input Capacitor

4.7 ~

µF

Converter Output Capacitor

4.7 ~

µF

Ambient Temperature

-40 ~ 85

Junction Temperature

-40 ~ 125

Note 3: Refer to the typical application circuit

Electrical Characteristics

APW7290

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGE AND CURRENT

Input Voltage Range

3.5

-

7.2

V

Quiescent Current

-

25

40

µA

Shutdown Input Current

RUN = GND

-

-

0.5

µA

POWER-ON-RESET (POR) and LOCKOUT VOLTAGE THRESHOLDS

UVLO Threshold

3.0

3.2

3.4

V

UVLO Hysteresis

-

200

-

mV

REFERENCE VOLTAGE

Regulated Voltage

0.588

0.6

0.612

V

Output Voltage Accuracy

-2.5

-

+2.5

%

FB Input Current

-50

-

50

nA

VOUT

Output Voltage

FB=GND, No Load

1.764

1.8

1.836

V

INTERNAL POWER MOSFETS

Switching Frequency

1.2

1.5

1.8

MHz

Fold Back Frequency

-

210

-

KHz

Fold Back Voltage on FB

-

0.2

-

V

Fold Back

Hysteresis

-

120

-

mV

High Side P-FET Switch ON

Resistance

-

0.28

-

Ω

Low Side N-FET Switch ON

Resistance

-

0.25

-

Ω

Minimum On-Time

-

-

100

ns

Maximum Duty Cycle

-

-

100

%

Unless otherwise specified, these specifications apply over V