MT3333 All-in-One GNSS

Datasheet

© 2016 - 2017 MediaTek Inc.

Page 17 of 22

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6.2.2.

TCXO LDO DC characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit Note

AVDD43_VBAT

TCXO LDO input supply

voltage

2.8

3.3

4.3

V

Will change to bypass

mode under 3.1 volts

AVDD28_TLDO

TCXO LDO output

2.71

2.8

2.89

V

LDO output current

-

-

50

mA

Not including external

devices

PSRR-30 KHz

35

-

-

dB

Co = 1 uF, ESR = 0.05,

Iload = 25 mA

Load regulation

-84

10

84

mV

6.2.3.

TCXO SWITCH DC characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit Note

AVDD_TCXO_SW

TCXO switch output voltage @

TCXO switch input =

AVDD28_TLDO

2.66

-

-

V

AVDD_TCXO_SW

TCXO switch output voltage @

TCXO switch input =

AVDD28_CLDO

1.71

-

-

V

TCXO SWITCH current limit

-

-

30

mA

6.2.4.

1.1 volts core LDO DC characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit Note

AVDD28_CLDO

1.2 volts LDO input supply

voltage

1.62

1.8

3.08

V

AVDD11_CLDO

1.1 volts LDO output

1.05

1.12

1.2

V

LDO output current

-

-

50

mA

Load regulation

-

-

-

mV

6.2.5.

1.1 volts RTC LDO DC characteristics

Symbol

Parameter

Min.

Typ.

Max.

Unit Note

AVDD43_RTC

RTC LDO input supply voltage

2

4

4.3

V

AVDD11_RTC

RTC LDO output

0.99

1.1

1.21

V

LDO output current

-

-

3

mA

Leakage current

2.2

15

25

uA

Including LDO and RTC

domain circuit, at 25

degree room

temperature