www.austriamicrosystems.com/AS8650

Revision 1.0

9 - 46

AS8650

Datasheet - Electrical Character i s t ics

6.3 Low Drop Out Regulators

-40°C < Tj < 150°C; all voltages are with respect to ground, normal operating mode, unless otherwise mentioned. The LDO block is a linear

voltage regulator, which provides a regulated (band-gap stabilized) output voltage from the DCDC converter output voltage (V5V).

Table 6. VLDO1

1. Please note that the VLDO1 is not programmable.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V5V

Input Voltage Range

4.75

5

5.25

V

Output current

Guaranteed by design.

Not production tested.

0

100

mA

VLDO1

Output Voltage Range

3.217

3.3

3.383

V

ICC_SH

Output Short Circuit Current

Normal mode

300

mA

dVLDO1

Line Regulation

ΔVLDO1/ΔV5V (static) for the input range,

-8

8

mV/V

LOREG_NM

Load Regulation

V5V = 5V

-0.15

+0.15

mV/mA

Start-up time

Guaranteed by design

(includes start-up time of DCDC converter)

80

ms

CL2

Output Capacitor (Ceramic)

X7R type

2

5

µF

ESR2

0.02

0.1

Ω

CL1

X7R type

100

220

nF

ESR1

0.01

Ω

Table 7. VLDO2

1. 3.3V to 1.8V output.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V5V

Input Voltage Range

4.75

5

5.25

V

IOUTLDO2

Output current

Guaranteed by design.

Not production tested.

0120

mA

VLDO2

Output Voltage Range

OTP register mapping.

Default code gives 2.8V

0.975*

1.025*

V

ICC_SH

Output Short Circuit Current

Normal mode

300

mA

dVLDO2

Line Regulation

ΔVLDO2/ΔV5V (static) for the input range,

-8

8

mV/V

LOREG_NM

Load Regulation

-0.15

+0.15

mV/mA

Start-up time

Guaranteed by design

(includes start-up time of DCDC converter)

80

ms

CL2

Output Capacitor (Ceramic)

X7R type

2

5

µF

ESR2

0.02

0.1

Ω

CL1

X7R type

100

220

nF

ESR1

0.01

Ω