AP1602

Step-Up DC/DC Converter

Anachip Corp.

www.anachip.com.tw

Rev.0.1 Apr. 14, 2004

3/7

Electrical Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Minimum Input Voltage

-

0.9

-

V

Operating Voltage

1.1

-

5.5

V

Start-Up Voltage

-

0.9

1.1

V

Start-Up Voltage Tempco

-

-2

-

mV/°C

Output Voltage Range

2

-

5.5

V

Steady-State Output Current

(Note2)

150

220

-

mA

Reference Voltage

1.176

1.2

1.224

V

Output Voltage

3.17

3.3

3.43

V

TEMPCO

Reference Voltage Tempco

-

0.024

-

mV/°C

Reference Voltage Load

Regulation

-

15

30

mV

Reference Voltage Line

Regulation

-

0.08

2.5

mV/V

Internal NFET, PFET

On-Resistance

-

0.3

0.6

Ω

LX Switch Current Limit

(NFET)

0.4

0.5

0.65

A

LX Leakage Current

-

0.05

1

μ

A

Operating Current into OUT

-

16

35

µA

Shutdown Current into OUT

SHDN

=GND

-

0.1

1

µA

Efficiency

-

90

-

%

LX Switch On-Time

3

4

7

µs

LX Switch Off-Time

0.8

1

1.2

µs

SHDN

Input Current

-

0.07

50

nA

-

-

0.2

SHDN

Input Voltage

0.8

-

-

Note 2: Steady-state output current indicates that the device maintains output voltage regulation under load.

Typical Application Circuit

SHDN

LX

OUT

REF

0.1uF

22uH

220uF

+

100uF

+

V

IN

ON

OFF

Fixed Output

( 3.3V )

GND

1.1V to 3.6V

Optional