AP1522

STEP-UP DC/DC CONVERTER

AP1522 Rev. 4 - 4

3 of 10

December 2017

www.diodes.com

© Diodes Incorporated

PART OBSOLETE

NO ALTERNATE PART

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VIN

VIN Pin Voltage

10

V

VSW

SW Voltage

36

V

VFB

Feedback Pin Voltage

10

V

VSHDN

SHDN Pin Voltage

10

V

TJ

Maximum Junction Temperature

125

oC

TLEAD

Lead Temperature (Soldering for 10s.)

300

oC

TOPR

Operating Ambient Temperature Range

0 to +85

oC

TSTG

Storage Temperature Range

-40 to +125

oC

Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be

exceeded under any conditions.

Electrical Characteristics (T

a = 25°C, VIN = 5V, VSHDN = 5V, unless otherwise noted)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

VIN

Minimum Operation Voltage

-

2.5

-

-

V

VIN

Maximum Operation Voltage

-

-

-

10

V

VFB

Feedback Pin Voltage

-

1.225

1.25

1.275

V

IFB

Feedback Pin Bias Current

-

10

45

100

nA

IIN

Supply Current

Operation Current

-

2

3

mA

VSHDN = 0V

-

0.1

1.0

μA

FSW

Switching Frequency

0.75

1.0

1.25

MHz

Duty

PWM Maximum Duty Cycle

85

90

-

%

ISW

Switch Current

280

320

360

mA

VSAT

Switch VSAT

ISW = 250mA

-

350

-

mV

Switch Leakage Current

VSW = 5V

-

0.1

5

μA

VSHDN

SHDN Pin Voltage High

Enable

0.6

-

-

V

VSHDN

SHDN Pin Voltage Low

Disable

-

-

0.5

V

ISHDN

SHDN Pin Bios Current

-

10

-

μA