ACE707C

0.9 V startup, 1MHz, 300mA Iout, Low Iq, Synchronous Boost Converter

VER 1.1

5

Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Vin

Input Voltage Range

0.9

5

V

Vstart

Startup Voltage

Iout = 1mA

0.9

V

Vhold

Hold Voltage

Iout = 50mA

0.5

0.7

V

Vout

Output Voltage Range

1.8

5.5

V

Output voltage accuracy

Iout = 0mA

2

%

Line regulation

Iout = 50mA

0.1

0.2

%/V

Load regulation

Iout = 0~300mA

1

2

%

Fsoc

Switching Frequency

Vout=0.95Vo, No inductor

0.7

1

1.4

MHz

Max Duty cycle

Vout=0.95Vo, No inductor

85

90

95

%

IQ

Quiescent Current at Vout

Vout=1.05*Vo

5

8

15

uA

Supply current at Vin

Iout = 0mA

20

uA

Efficiency

Iout = 100mA

85

%

RdsonP

PMOS Rdson

Isw =100mA

400

600

mohm

RdsonN

NMOS Rdson

Isw =100mA

200

300

mohm

Iswlk

SW Leakage Current

Vout=5.2V, Vsw=0 or 5.2V

1

uA