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AS1301A-BTDT

5V/50mA Low Noise Inductorless Boost Converter

austriamicrosystems AG 

AS1301

Data Sheet - Electrical Characteristics

6 Electrical Characteristics

VIN = 2.7 to 5.25V, VOUT = 5V, COUT = CBAT = 2.2µF, CFLY1 = CFLY2 =220nF TAMB = -40 to +85ºC. Typical values are at

TAMB = +25ºC. Unless otherwise specified.

Table 3. Electrical Characteristics

Symbol

Parameter

Conditions

Min Typ Max Units

VON

Startup Voltage, Rising VBATT

2.8 2.865 V

VOFF Startup Voltage, Falling VBATT

2.505 2.7

2.8

V

VBATT

Battery Supply Voltage

VON/

VOFF

3.6

5.25

V

VCP5 Settled Average Output Voltage

VOUT = 5.1V typ @ no load

4.75 5.0 5.25

V

IOUT

Load Current

after startup of 1ms

0

50

mA

Vripple

Output Voltage Ripple

COUT = 2.2µF, 50mA load

15

mVPP

tSTART

Start-up Time

1

ms

Iinr

Inrush Current

500 mA

ΔVO/IO11 Load Regulation in 1:1 Mode

VBATT = 5V, IOUT = 10~50mA

2

ΔVO/IO23

ΔVO/IO12

η12

η23

Load Regulation in 2:3 Mode

Load Regulation in 1:2 Mode

Efficiency in Switching Mode

Efficiency in Switching Mode

VBATT = 4.5V, IOUT = 10~50mA

VBATT = 3.1V, IOUT = 10~50mA

VBATT = 3.1V, IOUT = 30mA

VBATT = 3.5V, IOUT = 30mA

3

mV/mA

3

90

%

90

%

fOSC

Oscillator Frequency

optional selectable

1

MHz

tdebup Up Switching Debounce Time

256

µs

IOP12 Operating Quiescent Current

1:2 mode without load

1.5

3.5

IOP23 Operating Quiescent Current

2:3 mode without load

1.3

3

mA

IOP11

Operating Current 1:1 Mode

without load

0.1

0.3

IOFF

Shut Down Current

EN = 0V

0.7

5

µA

TOFFL

Temperature Shut-down

Mode off

145

ºC

TOFFH

Temperature Shut-down

Input Levels

Mode on

170

ºC

VIH

Input High level

VIL

Input Low level

Pin EN

1.5

5.5

V

0.0

0.5

V

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