AP1601 datasheet(3/9 Pages) ANACHIP

3 / 9 page

AP1601

Step-Up DC/DC Converter

Anachip Corp.

www.anachip.com.tw

Rev. 1.1 Apr. 14, 2005

3/9

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VCC

Supply Voltage (OUT to GND)

-0.3 to 8.0

VBATT

Battery Voltage (Batt to GND)

-0.3 to 6.0

LBI, REF, FB, CLSEL to GND

-0.3 to VOUT+0.3

VSW

Switch Voltage (LX to GND)

-0.3 to VOUT+0.3

IOUT

Output Current (OUT)

-1.5 to +1.5

VLBO

LBO to GND

6.0

ISW

Switch Current (LX)

-1.5 to +1.5

TST

Storage Temperature Range

-65 to +150

TOT

Operation Temperature Range

-40 to +80

Electrical Characteristics

(VBATT = 2V, FB = OUT (VOUT = 3.3V), RL = ∞, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Minimum Input Voltage

0.9

VIN

Operating Voltage

TA = +25°C

1.1

5.5

Start-Up Voltage

TA = +25°C,

RL = 3kΩ (Note 1)

0.9

1.1

Start-Up Voltage Tempco

-2

mV/°C

Output Voltage Range

5.5

AP1601

(CLSEL=OUT)

300

420

(VOUT = 3.3V)

AP1601

(CLSEL=GND)

150

220

AP1601

(CLSEL=OUT)

180

285

IOUT

Steady-State Output

Current (Note2)

(VOUT = 5V)

AP1601

(CLSEL=GND)

130

VREF

Reference Voltage

IREF=0

1.176

1.2

1.224

TEMPCO

Reference Voltage Tempco

0.024

mV/°C

VREF_LOAD

Reference Voltage Load

Regulation

IREF=0 to 20µA

VREF_LINE

Reference Voltage Line

Regulation

VOUT=2V to 5.5V

0.08

2.5

mV/V

FB, LB1 Input Threshold

1.176

1.2

1.224

RDS(ON)

Internal NFET, PFET

On-Resistance

ILX=100mA

0.3

0.6

Ω

AP1601 (CLSEL=OUT)

0.80

1.20

ILIM

LX Switch Current Limit

(NFET)

AP1601 (CLSEL=GND)

0.4

0.5

0.65

ILEAK

LX Leakage Current

ILX=0, 5.5V; VOUT=5.5V

0.05

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