Ap3036b – Diodes AP3036B User Manual

Page 4

Advertising
background image

AP3036B

Document number: DS37004 Rev.

1 - 2

4 of 11

www.diodes.com

March 2014

© Diodes Incorporated

AP3036B

A Product Line of

Diodes Incorporated

N

E

W

P

R

O

D

U

C

T

Electrical Characteristics

(@V

IN

= 3V, V

CTRL

= 3V, T

A

= +25°C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

V

IN

(Min)

Minimum Operating Voltage

2.5

V

V

IN

(Max)

Maximum Operating Voltage

16

V

FB

Feedback Voltage

I

OUT

= 20mA, 4 LEDs

188

200

212

mV

I

FB

FB Pin Bias Current

35

100

nA

I

Q

Quiescent Current

V

FB

= V

IN

, No Switching

1.6

3.1

3.9

mA

I

SHDN

Shutdown Quiescent Current

V

CTRL

= 0V

45

75

µA

f

Switching Frequency

1.0

MHz

D

MAX

Maximum Duty Cycle

90

93

%

I

LIMIT

Switch Current Limit (Note 6)

D = 40% or 80%

550

mA

V

CESAT

Switch V

CE

Saturation Voltage

I

SW

= 250mA

360

mV

Switch Leakage Current

V

SW

= 5V

0.01

5

µA

V

CTRL

CTRL Pin Voltage

High

1.5

V

Low

0.4

I

CTRL

CTRL Pin Bias Current

100

µA

V

OV

OVP Voltage

30

V

V

DROP

Schottky Forward Drop

I

D

= 150mA

0.7

V

Schottky Leakage Current

V

R

(Reverse Voltage) = 23V

0.1

4

µA

V

R

(Reverse Voltage) = 27V

150

t

Soft Start Time

100

µs

θ

JC

Thermal Resistance
(Junction to Case)

SOT26

60

C/W

Note 6: The switch current limit is related to duty cycle. Please refer to Figure LED Current vs. Duty (PWM Frequency = 0.5kHz).




Advertising