Copyright

© ANPEC Electronics Corp.

Rev. A.3- Sep., 2008

APW7145

www.anpec.com.tw

3

Symbol

Parameter

Range

Unit

VIN Supply Voltage

4.3 ~ 14

V

Converter Output Voltage

V

Converter Output Current

0 ~ 3

A

Converter Input Capacitor (MLCC)

8 ~ 50

µF

Converter Output Capacitor

20 ~ 1000

µF

Effective Series Resistance

0 ~ 60

m

Ω

Converter Output Inductor

1 ~ 22

µH

Resistance of the Feedback Resistor connected from FB to GND

1 ~ 20

k

Ω

Ambient Temperature

-40 ~ 85

Junction Temperature

-40 ~ 125

Note 4: Refer to the Typical Application Circuits

Electrical Characteristics

APW7145

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

SUPPLY CURRENT

VIN Supply Current

-

0.5

1.5

mA

VIN Shutdown Supply Current

-

-

3

µA

POWER-ON-RESET (POR) VOLTAGE THRESHOLD

VIN POR Voltage Threshold

3.9

4.1

4.3

V

VIN POR Hysteresis

-

0.5

-

V

REFERENCE VOLTAGE

Reference Voltage

Regulated on FB pin

-

0.8

-

V

-1.0

-

+1.0

Output Voltage Accuracy

-2.0

-

+2.0

%

Line Regulation

-

+0.02

-

%/V

Load Regulation

-

-0.04

-

%/A

Symbol

Parameter

Typical Value

Unit

θ

JA

Junction-to-Ambient Thermal Resistance in Free Air

(Note 2)

SOP-8P

DFN4x4-8

50

65

θ

JC

Junction-to-Case Resistance in Free Air

(Note 3)

SOP-8P

DFN4x4-8

20

30

Note 2 :

θ

Note 3 : The case temperature is measured at the center of the exposed pad on the underside of the SOP-8P and DFN4x4-8

packages.

Thermal Characteristics