Preliminary Datasheet

WHITE LED STEP-UP CONVERTER

AP3036/A

Jul. 2012

BCD Semiconductor Manufacturing Limited

5

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Minimum Operating Voltage

2.5

V

Maximum Operating Voltage

16

Feedback Voltage

AP3036

188

200

212

mV

AP3036A

235

250

265

FB Pin Bias Current

35

100

nA

Quiescent Current

No

Switching

1.6

3.1

3.9

mA

Shutdown Quiescent Current

45

75

µA

Switching Frequency

f

1.0

MHz

Maximum Duty Cycle

90

93

%

Switch Current Limit (Note 2)

D=40% or 80%

550

mA

360

mV

Switch Leakage Current

0.01

5

µA

CTRL Pin Voltage

High

1.8

V

Low

0.4

CTRL Pin Bias Current

100

µA

OVP Voltage

30

V

Schottky Forward Drop

0.7

V

Schottky Leakage Current

Voltage)=23V

0.1

4

µA

Voltage)=27V

150

Soft Start Time

t

100

µs

Thermal Resistance

(Junction to Case)

θ

JC

SOT-23-6

60

°C/W

TSOT-23-6

60

Note 2: The switch current limit is related to duty cycle. Please refer to Figure 16 for detail.