Diodes AP3417C Manual do Utilizador descarregar pdf (Página 4)

AP3417C

Document number: DS36516 Rev. 1 - 0

4 of 11

www.diodes.com

September 2013

© Diodes Incorporated

A

P3417C

PRELIMINARY DATASHEET

A

Product Line o

f

Diodes Incorporated

Recommended Operating Conditions

Symbol Parameter Min Max Unit

V

IN

Supply Input Voltage 2.5 5.5 V

T

A

Operating Ambient Temperature -40 85 ºC

T

J

Operating Junction Temperature -40 125 ºC

Electrical Characteristics (@V

IN

= V

EN

= 5V, V

OUT

= 1.2V, V

FB

= 0.6V, L = 2.2µH, C

IN

= 4.7µF, C

OUT

= 10µF, T

A

= +25°C, unless

otherwise specified.)

Symbol Parameters Conditions Min Typ Max Unit

V

IN

Input Voltage Range 2.5 5.5 V

I

OFF

Shutdown Current

V

EN

= 0

0.1 µA

I

ON

Active Current

V

FB

= 0.55V

220 µA

V

FB

Regulated Feedback Voltage

For Adjustable Output

Voltage

0.588 0.6 0.612 V

V

OUT

Output Voltage

Fixed Output 1.2V 1.176 1.2 1.224

V

Fixed Output 1.8V 1.764 1.8 1.836

Fixed Output 3.3V 3.234 3.3 3.366

V

OUT

/V

OUT

Regulated Output Voltage

Accuracy

V

IN

= 2.5V to 5.5V,

I

OUT

= 0 to 1.0A

-3 3 %

I

PK

Peak Inductor Current 1.5 1.9 A

f

OSC

Oscillator Frequency

V

IN

= 2.5V to 5.5V

1.2 1.5 1.8 MHz

R

DS(ON)P

PMOSFET R

DS(ON)

V

IN

= 5V

200

m

R

DS(ON)N

NMOSFET R

DS(ON)

V

IN

= 5V

200

m

V

EN_H

EN High Level Input Voltage 1.5 V

V

EN_L

EN Low Level Input Voltage 0.4 V

I

EN

EN Input Current 0.1 µA

t

SS

Soft Start Time 400 µs

D

MAX

Maximum Duty Cycle 100 %

V

UVLO

Under Voltage Lock Out

Threshold

Rising 2.3

V

Falling 2.1

Hysteresis 0.2

T

SD

Thermal Shutdown Hysteresis = 30°C 155 160 °C

1 2 3 4 5 6 7 8 9 10 11

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